/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m
[2023-09-07 04:22:19,994 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-07 04:22:20,061 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2023-09-07 04:22:20,065 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-07 04:22:20,065 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-07 04:22:20,065 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-07 04:22:20,090 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-07 04:22:20,090 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-07 04:22:20,091 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-07 04:22:20,094 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-07 04:22:20,095 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-07 04:22:20,095 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-07 04:22:20,095 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-07 04:22:20,096 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-07 04:22:20,097 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-07 04:22:20,097 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-07 04:22:20,097 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-07 04:22:20,097 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-07 04:22:20,098 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-07 04:22:20,098 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-07 04:22:20,098 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-07 04:22:20,098 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-07 04:22:20,098 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-07 04:22:20,099 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-07 04:22:20,099 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-07 04:22:20,099 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-07 04:22:20,100 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-07 04:22:20,100 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-07 04:22:20,100 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-07 04:22:20,100 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-07 04:22:20,101 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 04:22:20,101 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-07 04:22:20,101 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-07 04:22:20,101 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2023-09-07 04:22:20,102 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-07 04:22:20,102 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-07 04:22:20,102 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-07 04:22:20,102 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-07 04:22:20,102 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-07 04:22:20,102 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-07 04:22:20,102 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2023-09-07 04:22:20,103 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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2023-09-07 04:22:20,310 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-07 04:22:20,325 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-07 04:22:20,327 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-07 04:22:20,328 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-07 04:22:20,328 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-07 04:22:20,329 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i
[2023-09-07 04:22:21,417 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-07 04:22:21,623 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-07 04:22:21,624 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i
[2023-09-07 04:22:21,650 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c905939/6f38888c94ac4bf7baab42bf3e68c1e2/FLAG10ff31172
[2023-09-07 04:22:21,661 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c905939/6f38888c94ac4bf7baab42bf3e68c1e2
[2023-09-07 04:22:21,662 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-07 04:22:21,663 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-07 04:22:21,664 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-07 04:22:21,664 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-07 04:22:21,669 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-07 04:22:21,670 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:22:21" (1/1) ...
[2023-09-07 04:22:21,670 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bd3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:21, skipping insertion in model container
[2023-09-07 04:22:21,670 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:22:21" (1/1) ...
[2023-09-07 04:22:21,704 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-09-07 04:22:21,824 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833]
[2023-09-07 04:22:22,066 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 04:22:22,074 INFO  L202         MainTranslator]: Completed pre-run
[2023-09-07 04:22:22,081 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833]
[2023-09-07 04:22:22,093 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245]
[2023-09-07 04:22:22,094 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [246]
[2023-09-07 04:22:22,108 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1102]
[2023-09-07 04:22:22,120 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 04:22:22,169 INFO  L206         MainTranslator]: Completed translation
[2023-09-07 04:22:22,169 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22 WrapperNode
[2023-09-07 04:22:22,169 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-07 04:22:22,170 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-07 04:22:22,170 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-07 04:22:22,170 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-07 04:22:22,174 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,203 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,215 INFO  L138                Inliner]: procedures = 364, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62
[2023-09-07 04:22:22,216 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-07 04:22:22,216 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-07 04:22:22,216 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-07 04:22:22,216 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-07 04:22:22,226 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,226 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,228 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,228 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,231 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,236 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,237 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,237 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,239 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-07 04:22:22,239 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-07 04:22:22,240 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-07 04:22:22,240 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-07 04:22:22,240 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (1/1) ...
[2023-09-07 04:22:22,244 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 04:22:22,267 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:22,284 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-09-07 04:22:22,289 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-09-07 04:22:22,315 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-07 04:22:22,315 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-07 04:22:22,315 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-09-07 04:22:22,315 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-07 04:22:22,315 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-09-07 04:22:22,317 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-07 04:22:22,317 INFO  L130     BoogieDeclarations]: Found specification of procedure thread_function_mutex
[2023-09-07 04:22:22,317 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread_function_mutex
[2023-09-07 04:22:22,317 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-07 04:22:22,317 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-07 04:22:22,317 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-07 04:22:22,318 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-09-07 04:22:22,423 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-07 04:22:22,424 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-07 04:22:22,540 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-07 04:22:22,546 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-07 04:22:22,546 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-09-07 04:22:22,548 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:22:22 BoogieIcfgContainer
[2023-09-07 04:22:22,548 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-07 04:22:22,553 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-07 04:22:22,553 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-07 04:22:22,555 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-07 04:22:22,555 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 04:22:21" (1/3) ...
[2023-09-07 04:22:22,556 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31475705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:22:22, skipping insertion in model container
[2023-09-07 04:22:22,556 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:22:22" (2/3) ...
[2023-09-07 04:22:22,556 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31475705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:22:22, skipping insertion in model container
[2023-09-07 04:22:22,557 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:22:22" (3/3) ...
[2023-09-07 04:22:22,557 INFO  L112   eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i
[2023-09-07 04:22:22,563 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-07 04:22:22,569 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-07 04:22:22,570 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-07 04:22:22,570 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-07 04:22:22,606 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-09-07 04:22:22,635 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 04:22:22,635 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-07 04:22:22,635 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:22,637 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-09-07 04:22:22,638 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-09-07 04:22:22,663 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-09-07 04:22:22,668 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2023-09-07 04:22:22,673 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3202cdc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 04:22:22,673 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:22,865 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:22,872 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:22,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -720056045, now seen corresponding path program 1 times
[2023-09-07 04:22:22,879 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:22,879 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726836534]
[2023-09-07 04:22:22,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:22,880 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:22,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:23,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2023-09-07 04:22:23,095 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:23,095 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726836534]
[2023-09-07 04:22:23,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726836534] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 04:22:23,096 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 04:22:23,096 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-09-07 04:22:23,097 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429644768]
[2023-09-07 04:22:23,097 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 04:22:23,101 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-09-07 04:22:23,101 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:23,115 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-09-07 04:22:23,116 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-09-07 04:22:23,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:23,117 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:23,118 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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)
[2023-09-07 04:22:23,118 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:23,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:23,199 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-09-07 04:22:23,199 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:23,200 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:23,200 INFO  L85        PathProgramCache]: Analyzing trace with hash 1546329716, now seen corresponding path program 1 times
[2023-09-07 04:22:23,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:23,200 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931041469]
[2023-09-07 04:22:23,201 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:23,201 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:23,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:23,444 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-09-07 04:22:23,445 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:23,445 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931041469]
[2023-09-07 04:22:23,445 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931041469] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 04:22:23,445 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 04:22:23,445 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-09-07 04:22:23,445 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846545686]
[2023-09-07 04:22:23,445 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 04:22:23,446 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-09-07 04:22:23,446 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:23,447 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-09-07 04:22:23,447 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-09-07 04:22:23,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:23,447 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:23,448 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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)
[2023-09-07 04:22:23,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:23,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:23,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:23,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:23,564 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-09-07 04:22:23,564 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:23,564 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:23,565 INFO  L85        PathProgramCache]: Analyzing trace with hash -269270692, now seen corresponding path program 2 times
[2023-09-07 04:22:23,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:23,565 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662079003]
[2023-09-07 04:22:23,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:23,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:23,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:23,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-09-07 04:22:23,714 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:23,714 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662079003]
[2023-09-07 04:22:23,714 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662079003] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:23,715 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768252785]
[2023-09-07 04:22:23,715 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-07 04:22:23,715 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:23,715 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:23,746 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:23,747 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-09-07 04:22:23,835 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-07 04:22:23,835 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:23,837 INFO  L262         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-09-07 04:22:23,842 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:23,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-09-07 04:22:23,922 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:23,998 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-09-07 04:22:23,998 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [768252785] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:23,998 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:23,998 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-09-07 04:22:23,998 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330345753]
[2023-09-07 04:22:23,999 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:23,999 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-07 04:22:23,999 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:23,999 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-07 04:22:24,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-09-07 04:22:24,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:24,000 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:24,000 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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)
[2023-09-07 04:22:24,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:24,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:24,000 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:24,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:24,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:24,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:24,151 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:24,341 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2023-09-07 04:22:24,344 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:24,344 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:24,344 INFO  L85        PathProgramCache]: Analyzing trace with hash -744061988, now seen corresponding path program 3 times
[2023-09-07 04:22:24,344 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:24,344 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940563617]
[2023-09-07 04:22:24,344 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:24,345 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:24,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:24,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-09-07 04:22:24,487 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:24,488 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940563617]
[2023-09-07 04:22:24,488 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940563617] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:24,488 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686783878]
[2023-09-07 04:22:24,490 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-07 04:22:24,491 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:24,491 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:24,503 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:24,534 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-09-07 04:22:24,602 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2023-09-07 04:22:24,602 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:24,603 INFO  L262         TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-09-07 04:22:24,607 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:24,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-09-07 04:22:24,654 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:24,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-09-07 04:22:24,730 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [686783878] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:24,730 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:24,730 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14
[2023-09-07 04:22:24,730 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10360703]
[2023-09-07 04:22:24,730 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:24,731 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-09-07 04:22:24,731 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:24,731 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-09-07 04:22:24,731 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2023-09-07 04:22:24,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:24,732 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:24,732 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 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)
[2023-09-07 04:22:24,732 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:24,732 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:24,732 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:24,732 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:24,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:24,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:24,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:24,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:24,851 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2023-09-07 04:22:25,045 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:25,045 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:25,046 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:25,046 INFO  L85        PathProgramCache]: Analyzing trace with hash 1065915882, now seen corresponding path program 4 times
[2023-09-07 04:22:25,046 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:25,046 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982571677]
[2023-09-07 04:22:25,046 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:25,046 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:25,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:25,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-07 04:22:25,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:25,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982571677]
[2023-09-07 04:22:25,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982571677] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:25,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648633862]
[2023-09-07 04:22:25,258 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-07 04:22:25,258 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:25,258 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:25,259 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:25,261 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-09-07 04:22:25,365 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-07 04:22:25,365 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:25,366 INFO  L262         TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-09-07 04:22:25,368 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:25,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-07 04:22:25,428 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:25,623 INFO  L134       CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-07 04:22:25,624 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648633862] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:25,624 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:25,624 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30
[2023-09-07 04:22:25,624 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635247835]
[2023-09-07 04:22:25,624 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:25,624 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2023-09-07 04:22:25,624 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:25,625 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2023-09-07 04:22:25,625 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870
[2023-09-07 04:22:25,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:25,625 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:25,626 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 5.533333333333333) internal successors, (166), 30 states have internal predecessors, (166), 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)
[2023-09-07 04:22:25,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:25,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:25,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:25,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:25,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:25,997 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:25,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:25,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:25,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:25,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:26,017 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:26,217 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:26,217 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:26,217 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:26,218 INFO  L85        PathProgramCache]: Analyzing trace with hash -1171000158, now seen corresponding path program 5 times
[2023-09-07 04:22:26,218 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:26,218 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514593032]
[2023-09-07 04:22:26,218 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:26,218 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:26,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:26,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-07 04:22:26,965 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:26,966 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514593032]
[2023-09-07 04:22:26,966 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514593032] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:26,966 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953819143]
[2023-09-07 04:22:26,967 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-07 04:22:26,967 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:26,967 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:26,967 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:26,969 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-09-07 04:22:27,099 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s)
[2023-09-07 04:22:27,099 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:27,100 INFO  L262         TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-09-07 04:22:27,103 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:27,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-07 04:22:27,236 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:27,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-07 04:22:27,809 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [953819143] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:27,809 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:27,809 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 43
[2023-09-07 04:22:27,809 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441582696]
[2023-09-07 04:22:27,809 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:27,810 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2023-09-07 04:22:27,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:27,811 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2023-09-07 04:22:27,811 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806
[2023-09-07 04:22:27,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:27,811 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:27,812 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 5.162790697674419) internal successors, (222), 43 states have internal predecessors, (222), 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)
[2023-09-07 04:22:27,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:27,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:27,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:27,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:27,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:27,812 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:28,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:28,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:28,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:28,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:28,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:28,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:28,548 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:28,739 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:28,739 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:28,739 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:28,739 INFO  L85        PathProgramCache]: Analyzing trace with hash -1345038333, now seen corresponding path program 6 times
[2023-09-07 04:22:28,739 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:28,740 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720732531]
[2023-09-07 04:22:28,740 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:28,740 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:28,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:29,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 1737 backedges. 1567 proven. 134 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-07 04:22:29,730 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:29,730 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720732531]
[2023-09-07 04:22:29,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720732531] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:29,731 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969925036]
[2023-09-07 04:22:29,731 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2023-09-07 04:22:29,731 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:29,731 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:29,737 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:29,737 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-09-07 04:22:29,864 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s)
[2023-09-07 04:22:29,864 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:29,866 INFO  L262         TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-09-07 04:22:29,868 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:30,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 1737 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked.
[2023-09-07 04:22:30,053 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:30,213 INFO  L134       CoverageAnalysis]: Checked inductivity of 1737 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked.
[2023-09-07 04:22:30,213 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969925036] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:30,213 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:30,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 9, 9] total 57
[2023-09-07 04:22:30,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448949965]
[2023-09-07 04:22:30,213 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:30,214 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2023-09-07 04:22:30,214 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:30,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2023-09-07 04:22:30,217 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=2677, Unknown=0, NotChecked=0, Total=3192
[2023-09-07 04:22:30,218 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:30,218 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:30,218 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 57 states have (on average 5.473684210526316) internal successors, (312), 57 states have internal predecessors, (312), 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)
[2023-09-07 04:22:30,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:30,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:30,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:30,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:30,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:30,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:30,218 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:31,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:31,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:31,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:31,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:31,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:31,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:31,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:31,513 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:31,694 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:31,695 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:31,695 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:31,695 INFO  L85        PathProgramCache]: Analyzing trace with hash -1004021176, now seen corresponding path program 7 times
[2023-09-07 04:22:31,704 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:31,705 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794504033]
[2023-09-07 04:22:31,705 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:31,705 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:31,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:32,084 INFO  L134       CoverageAnalysis]: Checked inductivity of 1856 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:32,084 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:32,084 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794504033]
[2023-09-07 04:22:32,084 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794504033] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:32,085 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641141595]
[2023-09-07 04:22:32,085 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2023-09-07 04:22:32,085 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:32,085 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:32,106 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:32,150 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-09-07 04:22:32,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:32,306 INFO  L262         TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 18 conjunts are in the unsatisfiable core
[2023-09-07 04:22:32,333 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:32,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 1856 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:32,434 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:32,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 1856 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:32,711 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [641141595] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:32,711 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:32,711 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 38
[2023-09-07 04:22:32,711 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511076106]
[2023-09-07 04:22:32,711 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:32,712 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2023-09-07 04:22:32,712 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:32,713 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2023-09-07 04:22:32,713 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406
[2023-09-07 04:22:32,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:32,713 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:32,714 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 38 states have (on average 6.473684210526316) internal successors, (246), 38 states have internal predecessors, (246), 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)
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:32,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:33,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:33,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:33,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:33,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:33,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:33,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:33,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:33,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:33,387 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:33,575 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:33,575 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:33,576 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:33,576 INFO  L85        PathProgramCache]: Analyzing trace with hash 2026588616, now seen corresponding path program 8 times
[2023-09-07 04:22:33,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:33,576 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702420016]
[2023-09-07 04:22:33,577 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:33,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:33,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:34,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 1701 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:34,621 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:34,621 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702420016]
[2023-09-07 04:22:34,621 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702420016] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:34,621 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683858433]
[2023-09-07 04:22:34,621 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-07 04:22:34,621 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:34,621 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:34,633 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:34,646 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-09-07 04:22:34,849 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-07 04:22:34,849 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:34,852 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 38 conjunts are in the unsatisfiable core
[2023-09-07 04:22:34,856 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:35,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 1701 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:35,050 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:35,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 1701 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:35,664 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683858433] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:35,664 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:35,664 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 43
[2023-09-07 04:22:35,664 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864908285]
[2023-09-07 04:22:35,665 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:35,665 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2023-09-07 04:22:35,665 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:35,666 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2023-09-07 04:22:35,666 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806
[2023-09-07 04:22:35,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:35,666 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:35,667 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 6.488372093023256) internal successors, (279), 43 states have internal predecessors, (279), 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)
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:35,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:36,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:36,612 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:36,620 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:36,818 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2023-09-07 04:22:36,819 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:36,819 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:36,819 INFO  L85        PathProgramCache]: Analyzing trace with hash 1736224812, now seen corresponding path program 9 times
[2023-09-07 04:22:36,819 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:36,820 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624599169]
[2023-09-07 04:22:36,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:36,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:36,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:38,005 INFO  L134       CoverageAnalysis]: Checked inductivity of 3871 backedges. 2140 proven. 191 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:38,005 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:38,006 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624599169]
[2023-09-07 04:22:38,006 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624599169] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:38,006 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247979577]
[2023-09-07 04:22:38,006 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-07 04:22:38,006 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:38,006 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:38,021 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:38,026 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-09-07 04:22:38,679 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s)
[2023-09-07 04:22:38,679 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:38,684 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 42 conjunts are in the unsatisfiable core
[2023-09-07 04:22:38,689 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:38,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 3871 backedges. 2331 proven. 0 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-07 04:22:38,913 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-09-07 04:22:38,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247979577] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 04:22:38,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-09-07 04:22:38,914 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45
[2023-09-07 04:22:38,914 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142164636]
[2023-09-07 04:22:38,914 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 04:22:38,914 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2023-09-07 04:22:38,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:38,915 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2023-09-07 04:22:38,915 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980
[2023-09-07 04:22:38,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:38,916 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:38,916 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 6.6976744186046515) internal successors, (288), 43 states have internal predecessors, (288), 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)
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:38,916 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:39,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:39,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2023-09-07 04:22:39,895 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:40,094 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-09-07 04:22:40,095 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:40,095 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:40,095 INFO  L85        PathProgramCache]: Analyzing trace with hash -2076888248, now seen corresponding path program 10 times
[2023-09-07 04:22:40,095 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:40,095 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640985463]
[2023-09-07 04:22:40,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:40,095 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:40,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:43,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 04:22:43,215 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:43,215 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640985463]
[2023-09-07 04:22:43,215 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640985463] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:43,215 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632939728]
[2023-09-07 04:22:43,215 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-07 04:22:43,215 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:43,216 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:43,216 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:43,218 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2023-09-07 04:22:43,540 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-07 04:22:43,540 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:43,545 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 168 conjunts are in the unsatisfiable core
[2023-09-07 04:22:43,550 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:44,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 04:22:44,050 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:44,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 04:22:44,453 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632939728] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:44,453 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:44,453 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 68
[2023-09-07 04:22:44,454 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458970240]
[2023-09-07 04:22:44,454 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:44,454 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 68 states
[2023-09-07 04:22:44,454 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:44,455 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants.
[2023-09-07 04:22:44,456 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=4421, Unknown=0, NotChecked=0, Total=4556
[2023-09-07 04:22:44,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:44,456 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:44,457 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 68 states, 68 states have (on average 6.367647058823529) internal successors, (433), 68 states have internal predecessors, (433), 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)
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2023-09-07 04:22:44,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2023-09-07 04:22:51,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2023-09-07 04:22:51,554 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2023-09-07 04:22:51,745 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-09-07 04:22:51,745 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 04:22:51,745 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 04:22:51,745 INFO  L85        PathProgramCache]: Analyzing trace with hash 1835705658, now seen corresponding path program 11 times
[2023-09-07 04:22:51,746 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 04:22:51,746 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874754334]
[2023-09-07 04:22:51,746 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 04:22:51,746 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 04:22:51,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 04:22:54,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 04:22:54,841 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 04:22:54,841 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874754334]
[2023-09-07 04:22:54,841 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874754334] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-07 04:22:54,841 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881369699]
[2023-09-07 04:22:54,842 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-07 04:22:54,842 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-07 04:22:54,842 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 04:22:54,845 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-07 04:22:54,847 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2023-09-07 04:22:55,179 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s)
[2023-09-07 04:22:55,179 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-07 04:22:55,184 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 168 conjunts are in the unsatisfiable core
[2023-09-07 04:22:55,189 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-07 04:22:55,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 04:22:55,696 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-07 04:22:56,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 04:22:56,093 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [881369699] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-07 04:22:56,093 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-07 04:22:56,093 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 69
[2023-09-07 04:22:56,094 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180708159]
[2023-09-07 04:22:56,094 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-07 04:22:56,094 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 69 states
[2023-09-07 04:22:56,094 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 04:22:56,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants.
[2023-09-07 04:22:56,100 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4555, Unknown=0, NotChecked=0, Total=4692
[2023-09-07 04:22:56,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:56,100 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 04:22:56,101 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 69 states, 69 states have (on average 6.27536231884058) internal successors, (433), 69 states have internal predecessors, (433), 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)
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2023-09-07 04:22:56,101 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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Received shutdown request...
[2023-09-07 04:36:54,667 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-07 04:36:54,673 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-07 04:36:54,673 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-07 04:36:55,685 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2023-09-07 04:36:55,685 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2023-09-07 04:36:55,689 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
[2023-09-07 04:36:56,055 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-09-07 04:36:56,055 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2023-09-07 04:36:56,057 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-09-07 04:36:56,071 INFO  L445         BasicCegarLoop]: Path program histogram: [11, 1]
[2023-09-07 04:36:56,073 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/2)
[2023-09-07 04:36:56,074 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-09-07 04:36:56,074 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-09-07 04:36:56,075 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 04:36:56 BasicIcfg
[2023-09-07 04:36:56,076 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-09-07 04:36:56,076 INFO  L158              Benchmark]: Toolchain (without parser) took 874412.74ms. Allocated memory was 195.0MB in the beginning and 969.9MB in the end (delta: 774.9MB). Free memory was 143.4MB in the beginning and 711.3MB in the end (delta: -567.9MB). Peak memory consumption was 208.0MB. Max. memory is 7.0GB.
[2023-09-07 04:36:56,076 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 7.0GB.
[2023-09-07 04:36:56,076 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 505.81ms. Allocated memory is still 195.0MB. Free memory was 142.9MB in the beginning and 105.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 7.0GB.
[2023-09-07 04:36:56,076 INFO  L158              Benchmark]: Boogie Procedure Inliner took 45.56ms. Allocated memory is still 195.0MB. Free memory was 105.1MB in the beginning and 102.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
[2023-09-07 04:36:56,076 INFO  L158              Benchmark]: Boogie Preprocessor took 22.87ms. Allocated memory is still 195.0MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
[2023-09-07 04:36:56,078 INFO  L158              Benchmark]: RCFGBuilder took 311.11ms. Allocated memory is still 195.0MB. Free memory was 100.9MB in the beginning and 152.3MB in the end (delta: -51.4MB). Peak memory consumption was 5.2MB. Max. memory is 7.0GB.
[2023-09-07 04:36:56,078 INFO  L158              Benchmark]: TraceAbstraction took 873522.94ms. Allocated memory was 195.0MB in the beginning and 969.9MB in the end (delta: 774.9MB). Free memory was 151.3MB in the beginning and 711.3MB in the end (delta: -560.0MB). Peak memory consumption was 214.3MB. Max. memory is 7.0GB.
[2023-09-07 04:36:56,080 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 7.0GB.
 * CACSL2BoogieTranslator took 505.81ms. Allocated memory is still 195.0MB. Free memory was 142.9MB in the beginning and 105.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 7.0GB.
 * Boogie Procedure Inliner took 45.56ms. Allocated memory is still 195.0MB. Free memory was 105.1MB in the beginning and 102.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
 * Boogie Preprocessor took 22.87ms. Allocated memory is still 195.0MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
 * RCFGBuilder took 311.11ms. Allocated memory is still 195.0MB. Free memory was 100.9MB in the beginning and 152.3MB in the end (delta: -51.4MB). Peak memory consumption was 5.2MB. Max. memory is 7.0GB.
 * TraceAbstraction took 873522.94ms. Allocated memory was 195.0MB in the beginning and 969.9MB in the end (delta: 774.9MB). Free memory was 151.3MB in the beginning and 711.3MB in the end (delta: -560.0MB). Peak memory consumption was 214.3MB. Max. memory is 7.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 245]: Unsoundness Warning
    unspecified type, defaulting to int C: short [245]
  - GenericResultAtLocation [Line: 246]: Unsoundness Warning
    unspecified type, defaulting to int C: short [246]
  - GenericResultAtLocation [Line: 1102]: Unsoundness Warning
    unspecified type, defaulting to int C: unsigned short [1102]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19304, independent: 19071, independent conditional: 19071, independent unconditional: 0, dependent: 233, dependent conditional: 233, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19089, independent: 19071, independent conditional: 19071, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19089, independent: 19071, independent conditional: 19071, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19216, independent: 19071, independent conditional: 0, independent unconditional: 19071, dependent: 145, dependent conditional: 127, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19216, independent: 19071, independent conditional: 0, independent unconditional: 19071, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19216, independent: 19071, independent conditional: 0, independent unconditional: 19071, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19089, independent: 19071, independent conditional: 0, independent unconditional: 19071, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19089, independent: 19059, independent conditional: 0, independent unconditional: 19059, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19216, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 19089, unknown conditional: 0, unknown unconditional: 19089] , Statistics on independence cache: Total cache size (in pairs): 19089, Positive cache size: 19071, Positive conditional cache size: 0, Positive unconditional cache size: 19071, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 127, Maximal queried relation: 12, Independence queries for same thread: 215
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 47, RedundantProofs: 5, ProvenStates: 3206
  - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction)
    Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction.
  - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances
    CFG has 3 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 873.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 852.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 603, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 5686 NumberOfCodeBlocks, 5566 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 7965 ConstructedInterpolants, 0 QuantifiedInterpolants, 17215 SizeOfPredicates, 228 NumberOfNonLiveVariables, 6480 ConjunctsInSsa, 496 ConjunctsInUnsatCore, 31 InterpolantComputations, 3 PerfectInterpolantSequences, 22256/53241 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown