./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/25_stack-pthread.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/25_stack-pthread.yml/witness.yml --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version c091e2ee
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/25_stack-pthread.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/25_stack-pthread.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m
[2024-08-13 22:30:13,137 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-08-13 22:30:13,212 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-08-13 22:30:13,218 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-08-13 22:30:13,218 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-08-13 22:30:13,250 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-08-13 22:30:13,251 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-08-13 22:30:13,252 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-08-13 22:30:13,253 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-08-13 22:30:13,254 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-08-13 22:30:13,255 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-08-13 22:30:13,256 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-08-13 22:30:13,256 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-08-13 22:30:13,256 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-08-13 22:30:13,256 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-08-13 22:30:13,257 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-08-13 22:30:13,257 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-08-13 22:30:13,257 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-08-13 22:30:13,257 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-08-13 22:30:13,258 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-08-13 22:30:13,258 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-08-13 22:30:13,262 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-08-13 22:30:13,262 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-08-13 22:30:13,262 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-08-13 22:30:13,263 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-08-13 22:30:13,263 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-08-13 22:30:13,263 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-08-13 22:30:13,263 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-08-13 22:30:13,263 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-08-13 22:30:13,264 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-08-13 22:30:13,264 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-13 22:30:13,264 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-08-13 22:30:13,264 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-08-13 22:30:13,264 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-08-13 22:30:13,265 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-08-13 22:30:13,265 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-08-13 22:30:13,265 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-08-13 22:30:13,265 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-08-13 22:30:13,266 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-08-13 22:30:13,266 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-08-13 22:30:13,266 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-08-13 22:30:13,268 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-08-13 22:30:13,268 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
[2024-08-13 22:30:13,537 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-08-13 22:30:13,563 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-08-13 22:30:13,566 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-08-13 22:30:13,567 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-08-13 22:30:13,567 INFO  L274        PluginConnector]: CDTParser initialized
[2024-08-13 22:30:13,569 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/25_stack-pthread.i
[2024-08-13 22:30:15,017 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-08-13 22:30:15,243 INFO  L384              CDTParser]: Found 1 translation units.
[2024-08-13 22:30:15,244 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack-pthread.i
[2024-08-13 22:30:15,259 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a5bc9bafa/51c24b30502548e09f079848f0287102/FLAG134dc91ca
[2024-08-13 22:30:15,271 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a5bc9bafa/51c24b30502548e09f079848f0287102
[2024-08-13 22:30:15,273 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-08-13 22:30:15,274 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-08-13 22:30:15,275 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/25_stack-pthread.yml/witness.yml
[2024-08-13 22:30:15,380 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-08-13 22:30:15,382 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-08-13 22:30:15,384 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-08-13 22:30:15,384 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-08-13 22:30:15,389 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-08-13 22:30:15,390 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 10:30:15" (1/2) ...
[2024-08-13 22:30:15,391 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275d0c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:30:15, skipping insertion in model container
[2024-08-13 22:30:15,391 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 10:30:15" (1/2) ...
[2024-08-13 22:30:15,393 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15597e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:30:15, skipping insertion in model container
[2024-08-13 22:30:15,394 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 10:30:15" (2/2) ...
[2024-08-13 22:30:15,396 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275d0c09 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15, skipping insertion in model container
[2024-08-13 22:30:15,396 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 10:30:15" (2/2) ...
[2024-08-13 22:30:15,397 INFO  L83    nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-08-13 22:30:15,442 INFO  L95    edCorrectnessWitness]: Found the following entries in the witness:
[2024-08-13 22:30:15,445 INFO  L97    edCorrectnessWitness]: Location invariant before [L722-L722] (((1 <= next_alloc_idx) && (next_alloc_idx <= 66)) && (next_alloc_idx % 2 == 1)) && (next_alloc_idx != 2)
[2024-08-13 22:30:15,445 INFO  L97    edCorrectnessWitness]: Location invariant before [L725-L725] (((1 <= next_alloc_idx) && (next_alloc_idx <= 66)) && (next_alloc_idx % 2 == 1)) && (next_alloc_idx != 2)
[2024-08-13 22:30:15,445 INFO  L97    edCorrectnessWitness]: Location invariant before [L695-L702] (((1 <= next_alloc_idx) && (next_alloc_idx <= 66)) && (next_alloc_idx % 2 == 1)) && (next_alloc_idx != 2)
[2024-08-13 22:30:15,445 INFO  L97    edCorrectnessWitness]: Location invariant before [L753-L753] state == 0 || state == 1
[2024-08-13 22:30:15,489 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-08-13 22:30:15,793 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack-pthread.i[31344,31357]
[2024-08-13 22:30:15,806 INFO  L207          PostProcessor]: Analyzing one entry point: main
[2024-08-13 22:30:15,816 INFO  L202         MainTranslator]: Completed pre-run
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-08-13 22:30:15,906 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack-pthread.i[31344,31357]
Start Parsing Local
[2024-08-13 22:30:15,911 INFO  L207          PostProcessor]: Analyzing one entry point: main
[2024-08-13 22:30:15,946 INFO  L206         MainTranslator]: Completed translation
[2024-08-13 22:30:15,946 INFO  L201        PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15 WrapperNode
[2024-08-13 22:30:15,946 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-08-13 22:30:15,947 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-08-13 22:30:15,948 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-08-13 22:30:15,948 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-08-13 22:30:15,955 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 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:15,974 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 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,007 INFO  L138                Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 137
[2024-08-13 22:30:16,008 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-08-13 22:30:16,008 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-08-13 22:30:16,008 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-08-13 22:30:16,008 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-08-13 22:30:16,019 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,020 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,023 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,026 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,035 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,042 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,048 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,050 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,056 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-08-13 22:30:16,057 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-08-13 22:30:16,060 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-08-13 22:30:16,060 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-08-13 22:30:16,061 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (1/1) ...
[2024-08-13 22:30:16,073 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-13 22:30:16,085 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:16,103 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)
[2024-08-13 22:30:16,107 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
[2024-08-13 22:30:16,140 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2024-08-13 22:30:16,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2024-08-13 22:30:16,141 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-08-13 22:30:16,141 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-08-13 22:30:16,141 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-08-13 22:30:16,142 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-08-13 22:30:16,142 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-08-13 22:30:16,142 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-08-13 22:30:16,142 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-08-13 22:30:16,143 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-08-13 22:30:16,144 WARN  L214             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-08-13 22:30:16,265 INFO  L244             CfgBuilder]: Building ICFG
[2024-08-13 22:30:16,267 INFO  L270             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-08-13 22:30:16,499 INFO  L289             CfgBuilder]: Ommited future-live optimization because the input is a concurrent program.
[2024-08-13 22:30:16,499 INFO  L293             CfgBuilder]: Performing block encoding
[2024-08-13 22:30:16,711 INFO  L315             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-08-13 22:30:16,712 INFO  L320             CfgBuilder]: Removed 2 assume(true) statements.
[2024-08-13 22:30:16,712 INFO  L201        PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 10:30:16 BoogieIcfgContainer
[2024-08-13 22:30:16,712 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-08-13 22:30:16,715 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-08-13 22:30:16,715 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-08-13 22:30:16,719 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-08-13 22:30:16,719 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 10:30:15" (1/4) ...
[2024-08-13 22:30:16,720 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78885ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 10:30:16, skipping insertion in model container
[2024-08-13 22:30:16,720 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 10:30:15" (2/4) ...
[2024-08-13 22:30:16,721 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78885ec0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 10:30:16, skipping insertion in model container
[2024-08-13 22:30:16,721 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:30:15" (3/4) ...
[2024-08-13 22:30:16,722 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78885ec0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 10:30:16, skipping insertion in model container
[2024-08-13 22:30:16,722 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 10:30:16" (4/4) ...
[2024-08-13 22:30:16,724 INFO  L112   eAbstractionObserver]: Analyzing ICFG 25_stack-pthread.i
[2024-08-13 22:30:16,741 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-08-13 22:30:16,742 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2024-08-13 22:30:16,742 INFO  L522   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-08-13 22:30:16,809 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-08-13 22:30:16,850 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:16,853 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-08-13 22:30:16,854 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:16,856 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)
[2024-08-13 22:30:16,858 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
[2024-08-13 22:30:16,892 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-08-13 22:30:16,905 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ========
[2024-08-13 22:30:16,913 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;@5333e553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:16,913 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-08-13 22:30:17,005 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:17,011 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:17,011 INFO  L85        PathProgramCache]: Analyzing trace with hash -606493789, now seen corresponding path program 1 times
[2024-08-13 22:30:17,020 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:17,021 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569683916]
[2024-08-13 22:30:17,021 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:17,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:17,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:17,297 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:17,298 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:17,298 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569683916]
[2024-08-13 22:30:17,299 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569683916] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:17,299 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:17,300 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-08-13 22:30:17,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169391932]
[2024-08-13 22:30:17,302 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:17,307 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:17,307 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:17,327 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:17,328 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:17,332 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:17,333 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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)
[2024-08-13 22:30:17,333 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:17,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:17,412 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-08-13 22:30:17,413 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:17,413 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:17,413 INFO  L85        PathProgramCache]: Analyzing trace with hash -851895367, now seen corresponding path program 1 times
[2024-08-13 22:30:17,414 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:17,414 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824757641]
[2024-08-13 22:30:17,414 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:17,414 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:17,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:17,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:17,716 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:17,717 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824757641]
[2024-08-13 22:30:17,718 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824757641] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:17,718 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:17,718 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-08-13 22:30:17,719 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954228608]
[2024-08-13 22:30:17,719 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:17,720 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:17,720 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:17,721 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:17,721 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:17,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:17,722 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:17,723 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-13 22:30:17,723 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:17,723 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:17,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:17,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:17,832 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-08-13 22:30:17,833 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:17,834 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:17,835 INFO  L85        PathProgramCache]: Analyzing trace with hash -1497527377, now seen corresponding path program 1 times
[2024-08-13 22:30:17,835 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:17,835 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192122110]
[2024-08-13 22:30:17,835 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:17,835 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:17,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:17,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:17,950 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:17,950 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192122110]
[2024-08-13 22:30:17,950 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192122110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:17,950 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:17,951 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:17,951 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064491440]
[2024-08-13 22:30:17,951 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:17,951 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-13 22:30:17,951 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:17,952 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-13 22:30:17,952 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:17,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:17,952 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:17,953 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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)
[2024-08-13 22:30:17,953 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:17,953 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:17,953 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:18,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,056 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:18,057 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-08-13 22:30:18,057 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:18,060 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:18,060 INFO  L85        PathProgramCache]: Analyzing trace with hash 821322784, now seen corresponding path program 1 times
[2024-08-13 22:30:18,060 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:18,060 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032901902]
[2024-08-13 22:30:18,060 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:18,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:18,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:18,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:18,373 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:18,374 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032901902]
[2024-08-13 22:30:18,374 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032901902] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:18,374 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:18,374 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:18,375 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271812177]
[2024-08-13 22:30:18,375 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:18,375 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:18,377 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:18,377 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:18,378 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:18,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:18,378 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:18,379 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-13 22:30:18,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:18,379 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:18,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:18,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:18,511 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-08-13 22:30:18,511 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:18,511 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:18,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 997548022, now seen corresponding path program 1 times
[2024-08-13 22:30:18,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:18,512 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473264740]
[2024-08-13 22:30:18,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:18,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:18,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:18,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:18,757 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:18,757 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473264740]
[2024-08-13 22:30:18,758 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473264740] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:18,758 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:18,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-08-13 22:30:18,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944290671]
[2024-08-13 22:30:18,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:18,758 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-08-13 22:30:18,758 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:18,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-08-13 22:30:18,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-08-13 22:30:18,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:18,760 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:18,760 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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)
[2024-08-13 22:30:18,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:18,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:18,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:18,762 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:19,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:19,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:19,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:19,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:19,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-08-13 22:30:19,115 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-08-13 22:30:19,116 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:19,116 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:19,116 INFO  L85        PathProgramCache]: Analyzing trace with hash 1026178199, now seen corresponding path program 1 times
[2024-08-13 22:30:19,117 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:19,117 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531181428]
[2024-08-13 22:30:19,118 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:19,118 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:19,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:19,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:19,459 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:19,459 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531181428]
[2024-08-13 22:30:19,459 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531181428] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:19,459 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3959494]
[2024-08-13 22:30:19,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:19,460 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:19,460 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:19,463 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)
[2024-08-13 22:30:19,465 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-08-13 22:30:19,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:19,575 INFO  L262         TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-08-13 22:30:19,581 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:19,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:19,696 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 22:30:20,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:20,097 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [3959494] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 22:30:20,097 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 22:30:20,097 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2024-08-13 22:30:20,097 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595072164]
[2024-08-13 22:30:20,097 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 22:30:20,098 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-08-13 22:30:20,098 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:20,098 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-08-13 22:30:20,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-08-13 22:30:20,099 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:20,099 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:20,100 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 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)
[2024-08-13 22:30:20,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:20,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:20,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:20,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:20,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-08-13 22:30:20,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:20,588 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:20,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:20,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:20,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:20,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-08-13 22:30:20,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-08-13 22:30:20,592 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining)
[2024-08-13 22:30:20,593 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining)
[2024-08-13 22:30:20,593 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining)
[2024-08-13 22:30:20,593 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 5 remaining)
[2024-08-13 22:30:20,594 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 5 remaining)
[2024-08-13 22:30:20,611 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-08-13 22:30:20,794 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-08-13 22:30:20,800 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-08-13 22:30:20,805 INFO  L308   ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2024-08-13 22:30:20,808 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:20,808 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-08-13 22:30:20,808 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:20,810 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-08-13 22:30:20,811 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process
[2024-08-13 22:30:20,814 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-08-13 22:30:20,814 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-08-13 22:30:20,815 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;@5333e553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:20,815 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-08-13 22:30:20,851 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:20,852 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:20,852 INFO  L85        PathProgramCache]: Analyzing trace with hash 871307327, now seen corresponding path program 1 times
[2024-08-13 22:30:20,852 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:20,852 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727979268]
[2024-08-13 22:30:20,852 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:20,853 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:20,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:20,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:20,869 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:20,869 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727979268]
[2024-08-13 22:30:20,870 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727979268] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:20,870 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:20,870 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:20,870 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139233822]
[2024-08-13 22:30:20,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:20,870 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:20,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:20,871 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:20,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:20,871 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:20,871 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-13 22:30:20,871 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:20,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:20,906 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-08-13 22:30:20,906 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:20,907 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:20,907 INFO  L85        PathProgramCache]: Analyzing trace with hash 1667317199, now seen corresponding path program 1 times
[2024-08-13 22:30:20,907 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:20,907 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365942670]
[2024-08-13 22:30:20,907 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:20,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:20,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:20,981 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:20,981 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:20,981 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365942670]
[2024-08-13 22:30:20,982 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365942670] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:20,982 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:20,982 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:20,982 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125468490]
[2024-08-13 22:30:20,982 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:20,983 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:20,983 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:20,983 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:20,983 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:20,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:20,984 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:20,984 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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)
[2024-08-13 22:30:20,984 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:20,984 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:21,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,059 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-08-13 22:30:21,059 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:21,059 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:21,059 INFO  L85        PathProgramCache]: Analyzing trace with hash -309753787, now seen corresponding path program 1 times
[2024-08-13 22:30:21,059 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:21,059 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129929329]
[2024-08-13 22:30:21,060 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:21,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:21,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:21,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:21,136 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:21,136 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129929329]
[2024-08-13 22:30:21,136 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129929329] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:21,136 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:21,136 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:21,136 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717114213]
[2024-08-13 22:30:21,137 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:21,138 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-13 22:30:21,138 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:21,138 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-13 22:30:21,138 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:21,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:21,139 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:21,139 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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)
[2024-08-13 22:30:21,139 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,139 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,139 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:21,197 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,197 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:21,198 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-08-13 22:30:21,199 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:21,199 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:21,199 INFO  L85        PathProgramCache]: Analyzing trace with hash -982775690, now seen corresponding path program 1 times
[2024-08-13 22:30:21,199 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:21,199 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339717482]
[2024-08-13 22:30:21,199 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:21,199 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:21,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:21,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:21,355 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:21,355 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339717482]
[2024-08-13 22:30:21,355 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339717482] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:21,355 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:21,355 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-08-13 22:30:21,355 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377902062]
[2024-08-13 22:30:21,355 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:21,356 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:21,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:21,356 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:21,356 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:21,356 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:21,357 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:21,357 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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)
[2024-08-13 22:30:21,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:21,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:21,430 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,430 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,430 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:21,430 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:21,431 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-08-13 22:30:21,431 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:21,431 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:21,431 INFO  L85        PathProgramCache]: Analyzing trace with hash 865953484, now seen corresponding path program 1 times
[2024-08-13 22:30:21,431 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:21,431 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827303824]
[2024-08-13 22:30:21,431 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:21,432 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:21,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:21,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:21,619 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:21,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827303824]
[2024-08-13 22:30:21,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827303824] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:21,620 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:21,620 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-08-13 22:30:21,620 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924614038]
[2024-08-13 22:30:21,620 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:21,620 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-08-13 22:30:21,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:21,621 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-08-13 22:30:21,621 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-08-13 22:30:21,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:21,621 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:21,622 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 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)
[2024-08-13 22:30:21,622 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,622 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,622 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:21,622 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:21,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:21,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:21,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:21,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:21,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-08-13 22:30:21,803 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-08-13 22:30:21,803 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:21,803 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:21,804 INFO  L85        PathProgramCache]: Analyzing trace with hash 865954445, now seen corresponding path program 1 times
[2024-08-13 22:30:21,804 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:21,805 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018518803]
[2024-08-13 22:30:21,805 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:21,805 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:21,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-08-13 22:30:21,823 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-08-13 22:30:21,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-08-13 22:30:21,859 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-08-13 22:30:21,859 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-08-13 22:30:21,861 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2024-08-13 22:30:21,861 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-08-13 22:30:21,863 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-08-13 22:30:21,863 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2)
[2024-08-13 22:30:21,864 WARN  L234   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-08-13 22:30:21,865 INFO  L522   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-08-13 22:30:21,901 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-08-13 22:30:21,903 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:21,905 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-08-13 22:30:21,906 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:21,907 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-08-13 22:30:21,909 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process
[2024-08-13 22:30:21,915 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-08-13 22:30:21,915 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-08-13 22:30:21,915 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;@5333e553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:21,916 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-08-13 22:30:21,980 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:21,980 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:21,980 INFO  L85        PathProgramCache]: Analyzing trace with hash -2071178670, now seen corresponding path program 1 times
[2024-08-13 22:30:21,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:21,981 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114746880]
[2024-08-13 22:30:21,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:21,981 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:21,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:22,001 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:22,001 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:22,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114746880]
[2024-08-13 22:30:22,001 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114746880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:22,001 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:22,001 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:22,001 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72916061]
[2024-08-13 22:30:22,002 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:22,002 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:22,002 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:22,002 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:22,002 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:22,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:22,002 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:22,003 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-08-13 22:30:22,003 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:22,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:22,059 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-08-13 22:30:22,059 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:22,059 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:22,059 INFO  L85        PathProgramCache]: Analyzing trace with hash -1847456049, now seen corresponding path program 1 times
[2024-08-13 22:30:22,059 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:22,059 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915489511]
[2024-08-13 22:30:22,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:22,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:22,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:22,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:22,116 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:22,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915489511]
[2024-08-13 22:30:22,116 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915489511] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:22,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468583708]
[2024-08-13 22:30:22,116 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:22,117 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:22,117 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:22,118 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 22:30:22,120 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-08-13 22:30:22,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:22,211 INFO  L262         TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-08-13 22:30:22,213 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:22,283 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:22,283 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-08-13 22:30:22,283 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468583708] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:22,283 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-08-13 22:30:22,284 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 5
[2024-08-13 22:30:22,284 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678404952]
[2024-08-13 22:30:22,284 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:22,284 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:22,284 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:22,285 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:22,285 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:22,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:22,285 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:22,285 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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)
[2024-08-13 22:30:22,285 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:22,285 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:22,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:22,346 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:22,365 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-08-13 22:30:22,546 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-08-13 22:30:22,547 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:22,547 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:22,547 INFO  L85        PathProgramCache]: Analyzing trace with hash -475663178, now seen corresponding path program 1 times
[2024-08-13 22:30:22,547 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:22,547 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938454664]
[2024-08-13 22:30:22,548 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:22,548 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:22,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:22,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:22,691 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:22,691 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938454664]
[2024-08-13 22:30:22,691 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938454664] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:22,691 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710517419]
[2024-08-13 22:30:22,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:22,692 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:22,692 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:22,693 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 22:30:22,694 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-08-13 22:30:22,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:22,800 INFO  L262         TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-08-13 22:30:22,802 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:22,879 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
[2024-08-13 22:30:22,933 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-08-13 22:30:22,935 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
[2024-08-13 22:30:22,969 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-08-13 22:30:22,971 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
[2024-08-13 22:30:23,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:23,001 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 22:30:23,019 WARN  L854   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_186 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#m2~0.base| v_ArrVal_186) |c_~#m~0.base|) |c_~#m~0.offset|) 0))) is different from false
[2024-08-13 22:30:23,065 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-08-13 22:30:23,066 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
[2024-08-13 22:30:23,070 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
[2024-08-13 22:30:23,087 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked.
[2024-08-13 22:30:23,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [710517419] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 22:30:23,087 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 22:30:23,087 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9
[2024-08-13 22:30:23,087 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514728355]
[2024-08-13 22:30:23,087 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 22:30:23,088 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-08-13 22:30:23,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:23,088 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-08-13 22:30:23,089 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=45, Unknown=1, NotChecked=14, Total=90
[2024-08-13 22:30:23,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:23,089 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:23,089 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 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)
[2024-08-13 22:30:23,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:23,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:23,152 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-08-13 22:30:23,336 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-08-13 22:30:23,336 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:23,336 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:23,336 INFO  L85        PathProgramCache]: Analyzing trace with hash -1405241459, now seen corresponding path program 1 times
[2024-08-13 22:30:23,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:23,337 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556682185]
[2024-08-13 22:30:23,337 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:23,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:23,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:23,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-08-13 22:30:23,422 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:23,422 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556682185]
[2024-08-13 22:30:23,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556682185] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:23,423 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:23,423 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:23,423 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474605969]
[2024-08-13 22:30:23,423 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:23,423 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:23,424 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:23,424 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:23,424 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:23,424 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:23,424 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:23,425 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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)
[2024-08-13 22:30:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:23,425 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:23,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:23,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,561 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-08-13 22:30:23,561 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:23,561 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:23,562 INFO  L85        PathProgramCache]: Analyzing trace with hash 11653313, now seen corresponding path program 1 times
[2024-08-13 22:30:23,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:23,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064137460]
[2024-08-13 22:30:23,562 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:23,562 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:23,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:23,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-08-13 22:30:23,626 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:23,626 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064137460]
[2024-08-13 22:30:23,626 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064137460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:23,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:23,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:23,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195956894]
[2024-08-13 22:30:23,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:23,627 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-13 22:30:23,627 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:23,628 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-13 22:30:23,628 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:23,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:23,628 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:23,628 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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)
[2024-08-13 22:30:23,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:23,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:23,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:23,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:23,720 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-08-13 22:30:23,720 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:23,720 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:23,720 INFO  L85        PathProgramCache]: Analyzing trace with hash 140153862, now seen corresponding path program 1 times
[2024-08-13 22:30:23,720 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:23,720 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529230977]
[2024-08-13 22:30:23,720 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:23,720 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:23,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:23,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-08-13 22:30:23,874 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:23,874 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529230977]
[2024-08-13 22:30:23,874 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529230977] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:23,874 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:23,874 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-08-13 22:30:23,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712279056]
[2024-08-13 22:30:23,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:23,875 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:23,875 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:23,875 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:23,875 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:23,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:23,876 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:23,876 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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)
[2024-08-13 22:30:23,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:23,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:23,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:23,876 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:24,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,110 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-08-13 22:30:24,110 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:24,111 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:24,111 INFO  L85        PathProgramCache]: Analyzing trace with hash -301541309, now seen corresponding path program 1 times
[2024-08-13 22:30:24,111 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:24,111 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618009021]
[2024-08-13 22:30:24,111 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:24,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:24,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:24,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:24,215 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:24,215 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618009021]
[2024-08-13 22:30:24,216 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618009021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:24,216 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:24,216 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:24,216 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191826700]
[2024-08-13 22:30:24,216 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:24,217 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:24,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:24,217 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:24,217 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:24,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:24,217 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:24,218 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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)
[2024-08-13 22:30:24,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:24,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,304 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-08-13 22:30:24,305 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:24,305 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:24,305 INFO  L85        PathProgramCache]: Analyzing trace with hash -301540348, now seen corresponding path program 1 times
[2024-08-13 22:30:24,305 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:24,305 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068720775]
[2024-08-13 22:30:24,305 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:24,305 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:24,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:24,394 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:24,394 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:24,394 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068720775]
[2024-08-13 22:30:24,394 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068720775] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:24,394 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:24,395 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-08-13 22:30:24,395 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398403687]
[2024-08-13 22:30:24,395 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:24,395 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-13 22:30:24,395 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:24,396 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-13 22:30:24,396 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:24,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:24,396 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:24,396 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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)
[2024-08-13 22:30:24,396 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,396 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,396 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,396 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,396 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,396 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,396 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,397 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:24,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,539 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-08-13 22:30:24,539 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:24,539 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:24,539 INFO  L85        PathProgramCache]: Analyzing trace with hash -728189873, now seen corresponding path program 1 times
[2024-08-13 22:30:24,540 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:24,540 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784737997]
[2024-08-13 22:30:24,540 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:24,540 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:24,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:24,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-08-13 22:30:24,806 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:24,806 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784737997]
[2024-08-13 22:30:24,806 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784737997] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:24,806 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:24,807 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-08-13 22:30:24,807 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791907569]
[2024-08-13 22:30:24,807 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:24,807 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-08-13 22:30:24,808 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:24,808 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-08-13 22:30:24,809 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-08-13 22:30:24,809 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:24,809 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:24,810 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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)
[2024-08-13 22:30:24,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:24,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:24,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:24,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:25,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-08-13 22:30:25,058 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-08-13 22:30:25,058 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:25,058 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:25,058 INFO  L85        PathProgramCache]: Analyzing trace with hash 896298480, now seen corresponding path program 1 times
[2024-08-13 22:30:25,059 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:25,059 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506083957]
[2024-08-13 22:30:25,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:25,059 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:25,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:25,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:25,303 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:25,303 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506083957]
[2024-08-13 22:30:25,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506083957] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:25,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646835957]
[2024-08-13 22:30:25,304 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:25,304 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:25,304 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:25,306 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 22:30:25,307 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-08-13 22:30:25,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:25,442 INFO  L262         TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-08-13 22:30:25,444 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:25,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:25,504 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 22:30:25,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:25,807 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [646835957] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 22:30:25,807 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 22:30:25,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2024-08-13 22:30:25,808 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197419131]
[2024-08-13 22:30:25,808 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 22:30:25,808 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-08-13 22:30:25,808 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:25,809 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-08-13 22:30:25,809 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-08-13 22:30:25,809 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:25,809 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:25,810 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 12.875) internal successors, (103), 7 states have internal predecessors, (103), 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)
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:25,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:25,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-08-13 22:30:25,811 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:26,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:26,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:26,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-08-13 22:30:26,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:26,272 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-08-13 22:30:26,454 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-08-13 22:30:26,455 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:26,456 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:26,456 INFO  L85        PathProgramCache]: Analyzing trace with hash -922291423, now seen corresponding path program 1 times
[2024-08-13 22:30:26,456 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:26,456 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936957806]
[2024-08-13 22:30:26,456 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:26,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:26,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:26,674 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-08-13 22:30:26,674 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:26,674 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936957806]
[2024-08-13 22:30:26,675 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936957806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:26,675 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:26,675 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:26,675 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383965030]
[2024-08-13 22:30:26,675 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:26,675 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:26,676 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:26,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:26,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:26,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:26,676 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:26,677 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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)
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:26,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:26,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:26,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:26,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:26,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-08-13 22:30:26,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:26,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:26,779 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-08-13 22:30:26,779 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-08-13 22:30:26,779 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:26,779 INFO  L85        PathProgramCache]: Analyzing trace with hash -922290462, now seen corresponding path program 1 times
[2024-08-13 22:30:26,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:26,780 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86643102]
[2024-08-13 22:30:26,780 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:26,780 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:26,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-08-13 22:30:26,814 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-08-13 22:30:26,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-08-13 22:30:26,859 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-08-13 22:30:26,860 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-08-13 22:30:26,860 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2024-08-13 22:30:26,860 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-08-13 22:30:26,861 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-08-13 22:30:26,862 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3)
[2024-08-13 22:30:26,862 WARN  L234   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-08-13 22:30:26,862 INFO  L522   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-08-13 22:30:26,902 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-08-13 22:30:26,904 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:26,904 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-08-13 22:30:26,905 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:26,906 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-08-13 22:30:26,907 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process
[2024-08-13 22:30:26,910 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-08-13 22:30:26,910 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ========
[2024-08-13 22:30:26,911 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;@5333e553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-08-13 22:30:26,911 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-08-13 22:30:27,010 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:27,011 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:27,011 INFO  L85        PathProgramCache]: Analyzing trace with hash -374509457, now seen corresponding path program 1 times
[2024-08-13 22:30:27,011 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:27,011 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326457257]
[2024-08-13 22:30:27,011 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:27,012 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:27,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:27,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:27,027 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:27,027 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326457257]
[2024-08-13 22:30:27,027 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326457257] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:27,027 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:27,027 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:27,028 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891723588]
[2024-08-13 22:30:27,028 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:27,028 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:27,028 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:27,028 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:27,028 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:27,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:27,028 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:27,029 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 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)
[2024-08-13 22:30:27,029 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:27,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:27,100 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-08-13 22:30:27,100 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:27,101 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:27,101 INFO  L85        PathProgramCache]: Analyzing trace with hash -1831414992, now seen corresponding path program 1 times
[2024-08-13 22:30:27,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:27,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057432976]
[2024-08-13 22:30:27,101 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:27,101 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:27,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:27,141 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:27,141 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:27,141 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057432976]
[2024-08-13 22:30:27,141 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057432976] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:27,141 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455151540]
[2024-08-13 22:30:27,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:27,142 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:27,142 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:27,145 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 22:30:27,146 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-08-13 22:30:27,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:27,303 INFO  L262         TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-08-13 22:30:27,304 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:27,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:27,350 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-08-13 22:30:27,350 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [455151540] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:27,351 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-08-13 22:30:27,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 5
[2024-08-13 22:30:27,351 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726055004]
[2024-08-13 22:30:27,351 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:27,351 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:27,351 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:27,352 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:27,352 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:27,352 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:27,352 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:27,352 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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)
[2024-08-13 22:30:27,352 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:27,353 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:27,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:27,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:27,459 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-08-13 22:30:27,643 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2024-08-13 22:30:27,643 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:27,644 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:27,644 INFO  L85        PathProgramCache]: Analyzing trace with hash -90081943, now seen corresponding path program 1 times
[2024-08-13 22:30:27,644 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:27,644 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19022609]
[2024-08-13 22:30:27,644 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:27,645 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:27,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:27,788 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:27,789 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:27,789 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19022609]
[2024-08-13 22:30:27,789 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19022609] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:27,789 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692059917]
[2024-08-13 22:30:27,789 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:27,790 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:27,790 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:27,791 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 22:30:27,793 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-08-13 22:30:27,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:27,935 INFO  L262         TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-08-13 22:30:27,937 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:28,016 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
[2024-08-13 22:30:28,055 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-08-13 22:30:28,056 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
[2024-08-13 22:30:28,081 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-08-13 22:30:28,082 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
[2024-08-13 22:30:28,102 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:28,102 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 22:30:28,119 WARN  L854   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_486 (Array Int Int))) (not (= 0 (select (select (store |c_#pthreadsMutex| |c_~#m2~0.base| v_ArrVal_486) |c_~#m~0.base|) |c_~#m~0.offset|)))) is different from false
[2024-08-13 22:30:28,145 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-08-13 22:30:28,145 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
[2024-08-13 22:30:28,148 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
[2024-08-13 22:30:28,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 4 not checked.
[2024-08-13 22:30:28,181 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [692059917] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 22:30:28,181 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 22:30:28,181 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9
[2024-08-13 22:30:28,181 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541974278]
[2024-08-13 22:30:28,182 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 22:30:28,182 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-08-13 22:30:28,182 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:28,182 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-08-13 22:30:28,183 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=45, Unknown=1, NotChecked=14, Total=90
[2024-08-13 22:30:28,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:28,183 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:28,183 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 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)
[2024-08-13 22:30:28,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,183 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:28,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:28,571 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-08-13 22:30:28,753 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2024-08-13 22:30:28,754 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:28,754 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:28,754 INFO  L85        PathProgramCache]: Analyzing trace with hash 5718573, now seen corresponding path program 1 times
[2024-08-13 22:30:28,754 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:28,754 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731757626]
[2024-08-13 22:30:28,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:28,755 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:28,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:28,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:28,814 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:28,814 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731757626]
[2024-08-13 22:30:28,814 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731757626] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:28,814 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:28,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:28,814 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745040596]
[2024-08-13 22:30:28,815 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:28,815 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:28,815 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:28,815 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:28,816 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:28,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:28,816 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:28,816 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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)
[2024-08-13 22:30:28,816 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,816 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,816 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:28,816 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:28,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:28,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,897 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-08-13 22:30:28,898 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:28,898 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:28,898 INFO  L85        PathProgramCache]: Analyzing trace with hash -344288468, now seen corresponding path program 1 times
[2024-08-13 22:30:28,898 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:28,898 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278072799]
[2024-08-13 22:30:28,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:28,899 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:28,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:28,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:28,971 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:28,971 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278072799]
[2024-08-13 22:30:28,972 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278072799] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:28,972 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:28,972 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:28,972 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078825758]
[2024-08-13 22:30:28,972 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:28,972 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-13 22:30:28,972 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:28,973 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-13 22:30:28,973 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:28,973 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:28,973 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:28,974 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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)
[2024-08-13 22:30:28,974 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,974 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,974 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:28,974 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:28,974 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:29,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:29,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,282 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:29,283 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-08-13 22:30:29,283 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:29,283 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:29,283 INFO  L85        PathProgramCache]: Analyzing trace with hash -1625848091, now seen corresponding path program 1 times
[2024-08-13 22:30:29,283 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:29,283 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032881601]
[2024-08-13 22:30:29,283 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:29,283 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:29,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:29,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:29,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:29,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032881601]
[2024-08-13 22:30:29,353 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032881601] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:29,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066648629]
[2024-08-13 22:30:29,353 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:29,354 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:29,354 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:29,355 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 22:30:29,357 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-08-13 22:30:29,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:29,561 INFO  L262         TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjunts are in the unsatisfiable core
[2024-08-13 22:30:29,562 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:29,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:29,621 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 22:30:29,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-08-13 22:30:29,680 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066648629] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 22:30:29,680 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 22:30:29,680 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2024-08-13 22:30:29,680 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742962991]
[2024-08-13 22:30:29,681 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 22:30:29,681 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-08-13 22:30:29,681 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:29,682 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-08-13 22:30:29,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-08-13 22:30:29,682 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:29,682 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:29,682 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 6 states have internal predecessors, (122), 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)
[2024-08-13 22:30:29,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:29,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:29,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:29,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:29,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:29,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:29,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:29,862 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-08-13 22:30:30,050 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:30,050 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:30,051 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:30,051 INFO  L85        PathProgramCache]: Analyzing trace with hash 1627174022, now seen corresponding path program 1 times
[2024-08-13 22:30:30,051 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:30,051 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291615350]
[2024-08-13 22:30:30,051 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:30,051 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:30,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:30,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:30,152 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:30,152 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291615350]
[2024-08-13 22:30:30,152 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291615350] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:30,152 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:30,152 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:30,152 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609202481]
[2024-08-13 22:30:30,152 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:30,153 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:30,153 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:30,153 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:30,153 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:30,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:30,154 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:30,154 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2024-08-13 22:30:30,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:30,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,155 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:30,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:30,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:30,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,348 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-08-13 22:30:30,349 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:30,349 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:30,349 INFO  L85        PathProgramCache]: Analyzing trace with hash -149480144, now seen corresponding path program 1 times
[2024-08-13 22:30:30,349 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:30,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499838879]
[2024-08-13 22:30:30,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:30,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:30,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:30,438 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-08-13 22:30:30,438 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:30,438 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499838879]
[2024-08-13 22:30:30,438 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499838879] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:30,438 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:30,439 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-08-13 22:30:30,439 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432993537]
[2024-08-13 22:30:30,439 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:30,439 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-13 22:30:30,439 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:30,440 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-13 22:30:30,440 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:30,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:30,440 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:30,441 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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)
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:30,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:30,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:30,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,805 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-08-13 22:30:30,805 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:30,805 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:30,805 INFO  L85        PathProgramCache]: Analyzing trace with hash -1387000275, now seen corresponding path program 1 times
[2024-08-13 22:30:30,805 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:30,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214553240]
[2024-08-13 22:30:30,806 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:30,806 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:30,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:30,911 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:30,912 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:30,912 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214553240]
[2024-08-13 22:30:30,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214553240] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:30,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:30,913 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-08-13 22:30:30,913 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923098132]
[2024-08-13 22:30:30,913 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:30,914 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-08-13 22:30:30,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:30,914 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-08-13 22:30:30,915 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-08-13 22:30:30,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:30,915 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:30,915 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-08-13 22:30:30,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:30,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:30,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:30,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:30,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,159 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,159 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,159 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-08-13 22:30:31,159 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:31,160 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:31,160 INFO  L85        PathProgramCache]: Analyzing trace with hash -418491810, now seen corresponding path program 1 times
[2024-08-13 22:30:31,160 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:31,160 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26342187]
[2024-08-13 22:30:31,160 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:31,160 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:31,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:31,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-08-13 22:30:31,274 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:31,274 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26342187]
[2024-08-13 22:30:31,274 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26342187] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:31,274 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:31,274 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-08-13 22:30:31,274 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626643436]
[2024-08-13 22:30:31,274 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:31,274 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:31,274 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:31,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:31,276 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:31,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:31,276 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:31,276 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 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)
[2024-08-13 22:30:31,276 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,563 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-08-13 22:30:31,563 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:31,563 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:31,563 INFO  L85        PathProgramCache]: Analyzing trace with hash -391665518, now seen corresponding path program 1 times
[2024-08-13 22:30:31,564 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:31,564 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813120839]
[2024-08-13 22:30:31,564 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:31,564 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:31,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:31,662 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-08-13 22:30:31,662 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:31,662 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813120839]
[2024-08-13 22:30:31,662 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813120839] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:31,662 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:31,663 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-08-13 22:30:31,663 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657082950]
[2024-08-13 22:30:31,663 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:31,663 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-08-13 22:30:31,663 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:31,664 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-08-13 22:30:31,664 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-08-13 22:30:31,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:31,664 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:31,665 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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)
[2024-08-13 22:30:31,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:31,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:31,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,666 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,666 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,666 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,666 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:31,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:31,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:31,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:31,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:31,846 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-08-13 22:30:31,846 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:31,846 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:31,847 INFO  L85        PathProgramCache]: Analyzing trace with hash -1831556987, now seen corresponding path program 1 times
[2024-08-13 22:30:31,847 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:31,847 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490296920]
[2024-08-13 22:30:31,847 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:31,847 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:31,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:32,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-08-13 22:30:32,151 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:32,151 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490296920]
[2024-08-13 22:30:32,151 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490296920] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:32,151 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:32,151 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-08-13 22:30:32,151 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418167414]
[2024-08-13 22:30:32,151 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:32,151 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-08-13 22:30:32,151 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:32,152 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-08-13 22:30:32,152 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-08-13 22:30:32,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:32,152 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:32,152 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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)
[2024-08-13 22:30:32,152 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,152 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,153 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,154 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:32,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-08-13 22:30:32,898 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-08-13 22:30:32,898 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:32,898 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:32,899 INFO  L85        PathProgramCache]: Analyzing trace with hash -19997328, now seen corresponding path program 1 times
[2024-08-13 22:30:32,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:32,899 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645784721]
[2024-08-13 22:30:32,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:32,899 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:32,959 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:33,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 156 backedges. 64 proven. 60 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-08-13 22:30:33,118 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:33,118 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645784721]
[2024-08-13 22:30:33,118 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645784721] provided 0 perfect and 1 imperfect interpolant sequences
[2024-08-13 22:30:33,118 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755101490]
[2024-08-13 22:30:33,118 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:33,118 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-08-13 22:30:33,119 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-13 22:30:33,121 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-08-13 22:30:33,123 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-08-13 22:30:33,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:33,378 INFO  L262         TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-08-13 22:30:33,381 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-08-13 22:30:33,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 156 backedges. 64 proven. 60 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-08-13 22:30:33,496 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-08-13 22:30:33,657 INFO  L134       CoverageAnalysis]: Checked inductivity of 156 backedges. 64 proven. 60 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-08-13 22:30:33,658 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [755101490] provided 0 perfect and 2 imperfect interpolant sequences
[2024-08-13 22:30:33,658 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-08-13 22:30:33,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2024-08-13 22:30:33,658 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626553793]
[2024-08-13 22:30:33,658 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-08-13 22:30:33,659 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-08-13 22:30:33,659 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:33,660 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-08-13 22:30:33,660 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-08-13 22:30:33,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:33,661 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:33,661 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 19.692307692307693) internal successors, (256), 12 states have internal predecessors, (256), 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)
[2024-08-13 22:30:33,661 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,661 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,661 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:33,661 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-08-13 22:30:33,662 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:33,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:33,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-08-13 22:30:33,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-08-13 22:30:33,903 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2024-08-13 22:30:34,090 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36
[2024-08-13 22:30:34,091 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:34,091 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:34,091 INFO  L85        PathProgramCache]: Analyzing trace with hash 1979843864, now seen corresponding path program 1 times
[2024-08-13 22:30:34,091 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:34,091 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369379485]
[2024-08-13 22:30:34,091 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:34,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:34,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:34,346 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-08-13 22:30:34,346 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:34,346 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369379485]
[2024-08-13 22:30:34,346 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369379485] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:34,347 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:34,347 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-08-13 22:30:34,347 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424023198]
[2024-08-13 22:30:34,347 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:34,347 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-08-13 22:30:34,347 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:34,348 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-08-13 22:30:34,348 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-08-13 22:30:34,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:34,348 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:34,348 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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)
[2024-08-13 22:30:34,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,350 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-08-13 22:30:34,350 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-08-13 22:30:34,350 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:34,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:34,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-08-13 22:30:34,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-08-13 22:30:34,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:34,630 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-08-13 22:30:34,630 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err4ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-08-13 22:30:34,630 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-08-13 22:30:34,630 INFO  L85        PathProgramCache]: Analyzing trace with hash 361436909, now seen corresponding path program 1 times
[2024-08-13 22:30:34,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-08-13 22:30:34,631 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510522166]
[2024-08-13 22:30:34,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-08-13 22:30:34,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-08-13 22:30:34,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-08-13 22:30:35,099 INFO  L134       CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-08-13 22:30:35,100 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-08-13 22:30:35,101 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510522166]
[2024-08-13 22:30:35,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510522166] provided 1 perfect and 0 imperfect interpolant sequences
[2024-08-13 22:30:35,101 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-08-13 22:30:35,101 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-08-13 22:30:35,101 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988636388]
[2024-08-13 22:30:35,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-08-13 22:30:35,102 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-08-13 22:30:35,102 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-08-13 22:30:35,103 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-08-13 22:30:35,103 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-08-13 22:30:35,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-08-13 22:30:35,103 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-08-13 22:30:35,103 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 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)
[2024-08-13 22:30:35,103 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-08-13 22:30:35,104 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-08-13 22:30:35,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-08-13 22:30:35,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.