/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-zilu/benchmark04_conjunctive.i


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


This is Ultimate 0.2.2-dev-6c470ae
[2022-02-15 02:20:56,383 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-15 02:20:56,399 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-15 02:20:56,434 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-15 02:20:56,435 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-15 02:20:56,438 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-15 02:20:56,441 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-15 02:20:56,446 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-15 02:20:56,448 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-15 02:20:56,452 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-15 02:20:56,453 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-02-15 02:20:56,453 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-15 02:20:56,453 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-15 02:20:56,454 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-15 02:20:56,454 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-15 02:20:56,455 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-15 02:20:56,455 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-15 02:20:56,456 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-15 02:20:56,457 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-15 02:20:56,458 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-15 02:20:56,458 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-15 02:20:56,461 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-15 02:20:56,462 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-02-15 02:20:56,464 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-15 02:20:56,472 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-15 02:20:56,473 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-15 02:20:56,473 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-15 02:20:56,474 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-15 02:20:56,474 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-15 02:20:56,475 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-15 02:20:56,476 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-15 02:20:56,476 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-15 02:20:56,477 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-15 02:20:56,478 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-15 02:20:56,479 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-15 02:20:56,479 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-15 02:20:56,480 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-15 02:20:56,480 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-15 02:20:56,480 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-15 02:20:56,480 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-15 02:20:56,481 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-15 02:20:56,481 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf
[2022-02-15 02:20:56,495 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-15 02:20:56,496 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-15 02:20:56,497 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-15 02:20:56,497 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-15 02:20:56,497 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-15 02:20:56,497 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-15 02:20:56,497 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-15 02:20:56,498 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-15 02:20:56,498 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-15 02:20:56,498 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-15 02:20:56,498 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-15 02:20:56,499 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-15 02:20:56,499 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-15 02:20:56,499 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-15 02:20:56,499 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-15 02:20:56,499 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-15 02:20:56,499 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-15 02:20:56,499 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-15 02:20:56,499 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-15 02:20:56,499 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-15 02:20:56,500 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2022-02-15 02:20:56,500 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-15 02:20:56,500 INFO  L138        SettingsManager]:  * Loop acceleration method that is used by accelerated interpolation=JORDAN
[2022-02-15 02:20:56,500 INFO  L138        SettingsManager]:  * Use separate solver for trace checks=false
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-02-15 02:20:56,655 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-15 02:20:56,668 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-15 02:20:56,669 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-15 02:20:56,670 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-15 02:20:56,670 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-15 02:20:56,671 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-zilu/benchmark04_conjunctive.i
[2022-02-15 02:20:56,723 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce06afc6/68d90883276a4c32b037dd4416044c31/FLAGeb016358d
[2022-02-15 02:20:57,090 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-15 02:20:57,091 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark04_conjunctive.i
[2022-02-15 02:20:57,095 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce06afc6/68d90883276a4c32b037dd4416044c31/FLAGeb016358d
[2022-02-15 02:20:57,104 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce06afc6/68d90883276a4c32b037dd4416044c31
[2022-02-15 02:20:57,106 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-15 02:20:57,107 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-15 02:20:57,108 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-15 02:20:57,108 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-15 02:20:57,110 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-15 02:20:57,111 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,111 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b744dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57, skipping insertion in model container
[2022-02-15 02:20:57,112 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,116 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-15 02:20:57,125 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-15 02:20:57,245 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark04_conjunctive.i[873,886]
[2022-02-15 02:20:57,265 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-15 02:20:57,271 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-15 02:20:57,279 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark04_conjunctive.i[873,886]
[2022-02-15 02:20:57,281 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-15 02:20:57,289 INFO  L208         MainTranslator]: Completed translation
[2022-02-15 02:20:57,290 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57 WrapperNode
[2022-02-15 02:20:57,290 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-15 02:20:57,291 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-15 02:20:57,291 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-15 02:20:57,291 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-15 02:20:57,299 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,300 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,305 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,306 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,317 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,321 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,321 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,322 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-15 02:20:57,323 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-15 02:20:57,323 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-15 02:20:57,323 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-15 02:20:57,324 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (1/1) ...
[2022-02-15 02:20:57,338 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-15 02:20:57,348 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-15 02:20:57,357 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)
[2022-02-15 02:20:57,368 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
[2022-02-15 02:20:57,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-02-15 02:20:57,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-15 02:20:57,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2022-02-15 02:20:57,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-02-15 02:20:57,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2022-02-15 02:20:57,389 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-02-15 02:20:57,389 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2022-02-15 02:20:57,389 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2022-02-15 02:20:57,389 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-15 02:20:57,390 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-15 02:20:57,442 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-15 02:20:57,443 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-15 02:20:57,516 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-15 02:20:57,520 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-15 02:20:57,521 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-15 02:20:57,522 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:20:57 BoogieIcfgContainer
[2022-02-15 02:20:57,522 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-15 02:20:57,523 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-15 02:20:57,523 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-15 02:20:57,541 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-15 02:20:57,541 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 02:20:57" (1/3) ...
[2022-02-15 02:20:57,542 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139fc126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:20:57, skipping insertion in model container
[2022-02-15 02:20:57,542 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:20:57" (2/3) ...
[2022-02-15 02:20:57,543 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139fc126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:20:57, skipping insertion in model container
[2022-02-15 02:20:57,543 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:20:57" (3/3) ...
[2022-02-15 02:20:57,544 INFO  L111   eAbstractionObserver]: Analyzing ICFG benchmark04_conjunctive.i
[2022-02-15 02:20:57,548 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-02-15 02:20:57,548 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-15 02:20:57,584 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-15 02:20:57,589 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=JORDAN
[2022-02-15 02:20:57,589 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-15 02:20:57,602 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-02-15 02:20:57,608 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-02-15 02:20:57,608 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 02:20:57,608 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 02:20:57,609 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-15 02:20:57,612 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 02:20:57,613 INFO  L85        PathProgramCache]: Analyzing trace with hash -304977768, now seen corresponding path program 1 times
[2022-02-15 02:20:57,619 INFO  L126   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-15 02:20:57,619 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900104005]
[2022-02-15 02:20:57,619 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 02:20:57,629 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 02:20:57,663 INFO  L274   tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-15 02:20:57,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:20:57,806 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-15 02:20:57,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:20:57,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 02:20:57,816 INFO  L144   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-15 02:20:57,816 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900104005]
[2022-02-15 02:20:57,818 INFO  L165   FreeRefinementEngine]: IpTcStrategyModulePreferences [1900104005] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 02:20:57,818 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 02:20:57,818 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-02-15 02:20:57,819 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532291746]
[2022-02-15 02:20:57,820 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 02:20:57,823 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-15 02:20:57,823 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-15 02:20:57,868 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-15 02:20:57,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-02-15 02:20:57,870 INFO  L87              Difference]: Start difference. First operand  has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-15 02:20:57,996 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 02:20:57,996 INFO  L93              Difference]: Finished difference Result 33 states and 39 transitions.
[2022-02-15 02:20:57,997 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-02-15 02:20:57,999 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2022-02-15 02:20:57,999 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 02:20:58,003 INFO  L225             Difference]: With dead ends: 33
[2022-02-15 02:20:58,003 INFO  L226             Difference]: Without dead ends: 14
[2022-02-15 02:20:58,005 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-02-15 02:20:58,008 INFO  L933         BasicCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 02:20:58,009 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 28 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 02:20:58,025 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2022-02-15 02:20:58,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2022-02-15 02:20:58,036 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-15 02:20:58,036 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2022-02-15 02:20:58,037 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12
[2022-02-15 02:20:58,038 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 02:20:58,038 INFO  L470      AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2022-02-15 02:20:58,038 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-15 02:20:58,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2022-02-15 02:20:58,038 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-02-15 02:20:58,038 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 02:20:58,039 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 02:20:58,039 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-15 02:20:58,039 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-15 02:20:58,039 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 02:20:58,040 INFO  L85        PathProgramCache]: Analyzing trace with hash -828987386, now seen corresponding path program 1 times
[2022-02-15 02:20:58,040 INFO  L126   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-15 02:20:58,040 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475842438]
[2022-02-15 02:20:58,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 02:20:58,178 INFO  L89       AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult
[2022-02-15 02:20:58,180 INFO  L262   tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE
[2022-02-15 02:20:58,180 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 02:20:58,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:20:58,267 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-15 02:20:58,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:20:58,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 02:20:58,379 INFO  L144   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-15 02:20:58,379 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475842438]
[2022-02-15 02:20:58,379 INFO  L165   FreeRefinementEngine]: IpTcStrategyModulePreferences [475842438] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 02:20:58,379 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 02:20:58,379 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-15 02:20:58,379 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124693213]
[2022-02-15 02:20:58,380 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 02:20:58,380 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-15 02:20:58,380 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-15 02:20:58,381 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-15 02:20:58,381 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-02-15 02:20:58,381 INFO  L87              Difference]: Start difference. First operand 14 states and 14 transitions. Second operand  has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-15 02:20:58,419 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 02:20:58,420 INFO  L93              Difference]: Finished difference Result 14 states and 14 transitions.
[2022-02-15 02:20:58,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-15 02:20:58,420 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2022-02-15 02:20:58,420 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 02:20:58,420 INFO  L225             Difference]: With dead ends: 14
[2022-02-15 02:20:58,420 INFO  L226             Difference]: Without dead ends: 0
[2022-02-15 02:20:58,421 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2022-02-15 02:20:58,422 INFO  L933         BasicCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-15 02:20:58,422 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time]
[2022-02-15 02:20:58,423 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-15 02:20:58,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-15 02:20:58,424 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2022-02-15 02:20:58,424 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-15 02:20:58,424 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2022-02-15 02:20:58,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 02:20:58,424 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-15 02:20:58,424 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-15 02:20:58,424 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-15 02:20:58,424 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-15 02:20:58,426 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-02-15 02:20:58,427 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-15 02:20:58,428 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-02-15 02:20:58,475 INFO  L858   garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed.
[2022-02-15 02:20:58,476 INFO  L858   garLoopResultBuilder]: For program point reach_errorENTRY(line 11) no Hoare annotation was computed.
[2022-02-15 02:20:58,476 INFO  L858   garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed.
[2022-02-15 02:20:58,476 INFO  L861   garLoopResultBuilder]: At program point mainENTRY(lines 19 30) the Hoare annotation is: true
[2022-02-15 02:20:58,476 INFO  L861   garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: true
[2022-02-15 02:20:58,476 INFO  L861   garLoopResultBuilder]: At program point mainEXIT(lines 19 30) the Hoare annotation is: true
[2022-02-15 02:20:58,476 INFO  L861   garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: true
[2022-02-15 02:20:58,476 INFO  L854   garLoopResultBuilder]: At program point L24-2(lines 24 27) the Hoare annotation is: (exists ((v_main_~j~0_9 Int) (|v_main_#t~post5_5| Int) (v_main_~k~0_10 Int) (|v_main_#t~post4_5| Int)) (let ((.cse0 (+ v_main_~k~0_10 v_main_~j~0_9))) (and (or (and (<= .cse0 (+ main_~n~0 main_~k~0)) (< main_~k~0 v_main_~k~0_10) (= .cse0 (+ main_~k~0 main_~j~0))) (and (= |main_#t~post4| |v_main_#t~post4_5|) (= |main_#t~post5| |v_main_#t~post5_5|) (= v_main_~j~0_9 main_~j~0) (= v_main_~k~0_10 main_~k~0))) (<= main_~n~0 .cse0) (<= (+ v_main_~j~0_9 1) main_~n~0))))
[2022-02-15 02:20:58,477 INFO  L854   garLoopResultBuilder]: At program point L24-3(lines 24 27) the Hoare annotation is: (<= 0 main_~k~0)
[2022-02-15 02:20:58,477 INFO  L861   garLoopResultBuilder]: At program point mainFINAL(lines 19 30) the Hoare annotation is: true
[2022-02-15 02:20:58,477 INFO  L861   garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2022-02-15 02:20:58,477 INFO  L854   garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))
[2022-02-15 02:20:58,477 INFO  L861   garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2022-02-15 02:20:58,477 INFO  L861   garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2022-02-15 02:20:58,477 INFO  L861   garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true
[2022-02-15 02:20:58,477 INFO  L861   garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2022-02-15 02:20:58,477 INFO  L861   garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2022-02-15 02:20:58,478 INFO  L854   garLoopResultBuilder]: At program point L16(line 16) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-02-15 02:20:58,478 INFO  L854   garLoopResultBuilder]: At program point L15(lines 15 17) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-02-15 02:20:58,478 INFO  L861   garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 14 18) the Hoare annotation is: true
[2022-02-15 02:20:58,478 INFO  L861   garLoopResultBuilder]: At program point L15-2(lines 14 18) the Hoare annotation is: true
[2022-02-15 02:20:58,478 INFO  L861   garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 14 18) the Hoare annotation is: true
[2022-02-15 02:20:58,478 INFO  L854   garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-02-15 02:20:58,480 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1]
[2022-02-15 02:20:58,481 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-15 02:20:58,487 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,488 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,488 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,488 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,488 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,488 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post4_5,QUANTIFIED]
[2022-02-15 02:20:58,488 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post5_5,QUANTIFIED]
[2022-02-15 02:20:58,488 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,489 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,489 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,489 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,489 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,493 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,493 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post4_5,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post5_5,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,494 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,496 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 02:20:58 BoogieIcfgContainer
[2022-02-15 02:20:58,496 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-15 02:20:58,496 INFO  L158              Benchmark]: Toolchain (without parser) took 1389.18ms. Allocated memory was 210.8MB in the beginning and 271.6MB in the end (delta: 60.8MB). Free memory was 161.9MB in the beginning and 233.7MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-15 02:20:58,496 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 210.8MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-15 02:20:58,497 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 182.19ms. Allocated memory is still 210.8MB. Free memory was 161.6MB in the beginning and 187.2MB in the end (delta: -25.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-15 02:20:58,497 INFO  L158              Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 210.8MB. Free memory was 187.2MB in the beginning and 186.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-15 02:20:58,497 INFO  L158              Benchmark]: RCFGBuilder took 199.03ms. Allocated memory is still 210.8MB. Free memory was 186.0MB in the beginning and 175.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-15 02:20:58,498 INFO  L158              Benchmark]: TraceAbstraction took 972.44ms. Allocated memory was 210.8MB in the beginning and 271.6MB in the end (delta: 60.8MB). Free memory was 175.5MB in the beginning and 233.7MB in the end (delta: -58.2MB). Peak memory consumption was 3.3MB. Max. memory is 8.0GB.
[2022-02-15 02:20:58,499 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 210.8MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 182.19ms. Allocated memory is still 210.8MB. Free memory was 161.6MB in the beginning and 187.2MB in the end (delta: -25.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 31.85ms. Allocated memory is still 210.8MB. Free memory was 187.2MB in the beginning and 186.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 199.03ms. Allocated memory is still 210.8MB. Free memory was 186.0MB in the beginning and 175.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 972.44ms. Allocated memory was 210.8MB in the beginning and 271.6MB in the end (delta: 60.8MB). Free memory was 175.5MB in the beginning and 233.7MB in the end (delta: -58.2MB). Peak memory consumption was 3.3MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post4_5,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post5_5,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post4_5,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post5_5,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 16]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 27 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 26 PreInvPairs, 35 NumberOfFragments, 82 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 24]: Loop Invariant
[2022-02-15 02:20:58,505 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,505 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post4_5,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post5_5,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,506 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post4_5,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post5_5,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,507 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_10,QUANTIFIED]
[2022-02-15 02:20:58,508 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
[2022-02-15 02:20:58,508 WARN  L418   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_9,QUANTIFIED]
    Derived loop invariant: (\exists v_main_~j~0_9 : int, v_main_#t~post5_5 : int, v_main_~k~0_10 : int, v_main_#t~post4_5 : int :: ((((v_main_~k~0_10 + v_main_~j~0_9 <= n + k && k < v_main_~k~0_10) && v_main_~k~0_10 + v_main_~j~0_9 == k + j) || (((aux-j++-aux == v_main_#t~post4_5 && aux-k---aux == v_main_#t~post5_5) && v_main_~j~0_9 == j) && v_main_~k~0_10 == k)) && n <= v_main_~k~0_10 + v_main_~j~0_9) && v_main_~j~0_9 + 1 <= n)
  - ProcedureContractResult [Line: 19]: Procedure Contract for main
    Derived contract for procedure main: 1
  - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert
    Derived contract for procedure __VERIFIER_assert: 1
RESULT: Ultimate proved your program to be correct!
[2022-02-15 02:20:58,527 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
Received shutdown request...