/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/array-examples/sanfoundry_24-1.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-d966a43
[2022-01-31 17:01:10,771 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-01-31 17:01:10,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-31 17:01:10,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-31 17:01:10,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-31 17:01:10,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-31 17:01:10,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-31 17:01:10,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-31 17:01:10,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-31 17:01:10,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-31 17:01:10,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-01-31 17:01:10,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-31 17:01:10,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-31 17:01:10,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-31 17:01:10,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-31 17:01:10,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-31 17:01:10,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-31 17:01:10,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-31 17:01:10,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-31 17:01:10,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-31 17:01:10,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-31 17:01:10,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-31 17:01:10,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-01-31 17:01:10,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-31 17:01:10,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-31 17:01:10,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-31 17:01:10,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-31 17:01:10,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-31 17:01:10,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2022-01-31 17:01:10,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-31 17:01:10,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-31 17:01:10,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-01-31 17:01:10,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2022-01-31 17:01:10,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-01-31 17:01:10,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-01-31 17:01:10,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf
[2022-01-31 17:01:10,950 INFO L113 SettingsManager]: Loading preferences was successful
[2022-01-31 17:01:10,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-31 17:01:10,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-31 17:01:10,952 INFO L138 SettingsManager]: * sizeof long=4
[2022-01-31 17:01:10,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-01-31 17:01:10,952 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-01-31 17:01:10,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-01-31 17:01:10,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-01-31 17:01:10,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-31 17:01:10,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-01-31 17:01:10,953 INFO L138 SettingsManager]: * sizeof long double=12
[2022-01-31 17:01:10,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-01-31 17:01:10,953 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-01-31 17:01:10,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-01-31 17:01:10,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-31 17:01:10,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-01-31 17:01:10,954 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-01-31 17:01:10,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-01-31 17:01:10,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 17:01:10,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-31 17:01:10,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2022-01-31 17:01:10,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-31 17:01:10,954 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN
[2022-01-31 17:01:10,954 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-31 17:01:11,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-31 17:01:11,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-31 17:01:11,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-31 17:01:11,262 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-01-31 17:01:11,263 INFO L275 PluginConnector]: CDTParser initialized
[2022-01-31 17:01:11,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i
[2022-01-31 17:01:11,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de1e4d0/c02ce9702465480e98832ddf44db0556/FLAG35ad033eb
[2022-01-31 17:01:11,650 INFO L306 CDTParser]: Found 1 translation units.
[2022-01-31 17:01:11,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i
[2022-01-31 17:01:11,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de1e4d0/c02ce9702465480e98832ddf44db0556/FLAG35ad033eb
[2022-01-31 17:01:12,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de1e4d0/c02ce9702465480e98832ddf44db0556
[2022-01-31 17:01:12,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-31 17:01:12,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-01-31 17:01:12,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-31 17:01:12,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-31 17:01:12,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-31 17:01:12,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283bc154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12, skipping insertion in model container
[2022-01-31 17:01:12,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-01-31 17:01:12,119 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-01-31 17:01:12,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i[848,861]
[2022-01-31 17:01:12,257 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-31 17:01:12,263 INFO L203 MainTranslator]: Completed pre-run
[2022-01-31 17:01:12,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i[848,861]
[2022-01-31 17:01:12,277 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-31 17:01:12,286 INFO L208 MainTranslator]: Completed translation
[2022-01-31 17:01:12,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12 WrapperNode
[2022-01-31 17:01:12,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-31 17:01:12,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-31 17:01:12,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-31 17:01:12,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-01-31 17:01:12,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-31 17:01:12,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-31 17:01:12,372 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-01-31 17:01:12,372 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-01-31 17:01:12,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (1/1) ...
[2022-01-31 17:01:12,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 17:01:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-31 17:01:12,429 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)
[2022-01-31 17:01:12,464 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
[2022-01-31 17:01:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-01-31 17:01:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-31 17:01:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-01-31 17:01:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-01-31 17:01:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven
[2022-01-31 17:01:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd
[2022-01-31 17:01:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-01-31 17:01:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-01-31 17:01:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-01-31 17:01:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2022-01-31 17:01:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2022-01-31 17:01:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-01-31 17:01:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-31 17:01:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2022-01-31 17:01:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-01-31 17:01:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure printEven
[2022-01-31 17:01:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-01-31 17:01:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-31 17:01:12,616 INFO L234 CfgBuilder]: Building ICFG
[2022-01-31 17:01:12,617 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-31 17:01:12,858 INFO L275 CfgBuilder]: Performing block encoding
[2022-01-31 17:01:12,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-31 17:01:12,863 INFO L299 CfgBuilder]: Removed 3 assume(true) statements.
[2022-01-31 17:01:12,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:01:12 BoogieIcfgContainer
[2022-01-31 17:01:12,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-31 17:01:12,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-31 17:01:12,866 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-01-31 17:01:12,884 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-01-31 17:01:12,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 05:01:12" (1/3) ...
[2022-01-31 17:01:12,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d777a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 05:01:12, skipping insertion in model container
[2022-01-31 17:01:12,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:01:12" (2/3) ...
[2022-01-31 17:01:12,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d777a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 05:01:12, skipping insertion in model container
[2022-01-31 17:01:12,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:01:12" (3/3) ...
[2022-01-31 17:01:12,886 INFO L111 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i
[2022-01-31 17:01:12,890 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-01-31 17:01:12,890 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-31 17:01:12,992 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-31 17:01:12,997 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
[2022-01-31 17:01:12,997 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-31 17:01:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2022-01-31 17:01:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-01-31 17:01:13,038 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 17:01:13,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 17:01:13,039 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 17:01:13,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 17:01:13,043 INFO L85 PathProgramCache]: Analyzing trace with hash 349610285, now seen corresponding path program 1 times
[2022-01-31 17:01:13,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 17:01:13,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957093320]
[2022-01-31 17:01:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 17:01:13,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 17:01:13,191 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-01-31 17:01:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 17:01:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-31 17:01:13,347 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-01-31 17:01:13,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957093320]
[2022-01-31 17:01:13,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1957093320] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 17:01:13,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 17:01:13,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-31 17:01:13,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990485043]
[2022-01-31 17:01:13,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 17:01:13,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-31 17:01:13,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-01-31 17:01:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-31 17:01:13,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-31 17:01:13,381 INFO L87 Difference]: Start difference. First operand has 39 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:13,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 17:01:13,461 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions.
[2022-01-31 17:01:13,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-01-31 17:01:13,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2022-01-31 17:01:13,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 17:01:13,475 INFO L225 Difference]: With dead ends: 70
[2022-01-31 17:01:13,475 INFO L226 Difference]: Without dead ends: 34
[2022-01-31 17:01:13,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-31 17:01:13,483 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 29 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-31 17:01:13,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 43 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-31 17:01:13,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2022-01-31 17:01:13,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2022-01-31 17:01:13,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-01-31 17:01:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions.
[2022-01-31 17:01:13,541 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 16
[2022-01-31 17:01:13,541 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-31 17:01:13,541 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions.
[2022-01-31 17:01:13,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions.
[2022-01-31 17:01:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-01-31 17:01:13,544 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 17:01:13,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 17:01:13,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-31 17:01:13,545 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 17:01:13,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 17:01:13,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1528691315, now seen corresponding path program 1 times
[2022-01-31 17:01:13,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 17:01:13,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642351367]
[2022-01-31 17:01:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 17:01:13,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 17:01:13,554 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-01-31 17:01:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 17:01:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-31 17:01:13,712 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-01-31 17:01:13,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642351367]
[2022-01-31 17:01:13,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [642351367] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 17:01:13,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 17:01:13,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-01-31 17:01:13,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149468419]
[2022-01-31 17:01:13,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 17:01:13,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-01-31 17:01:13,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-01-31 17:01:13,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-01-31 17:01:13,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-01-31 17:01:13,715 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:13,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 17:01:13,925 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions.
[2022-01-31 17:01:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-01-31 17:01:13,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2022-01-31 17:01:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 17:01:13,929 INFO L225 Difference]: With dead ends: 75
[2022-01-31 17:01:13,929 INFO L226 Difference]: Without dead ends: 46
[2022-01-31 17:01:13,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-01-31 17:01:13,934 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 53 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-31 17:01:13,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 37 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-31 17:01:13,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2022-01-31 17:01:13,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36.
[2022-01-31 17:01:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-01-31 17:01:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions.
[2022-01-31 17:01:13,959 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 16
[2022-01-31 17:01:13,960 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-31 17:01:13,960 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions.
[2022-01-31 17:01:13,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions.
[2022-01-31 17:01:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-01-31 17:01:13,960 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 17:01:13,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 17:01:13,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-31 17:01:13,961 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 17:01:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 17:01:13,961 INFO L85 PathProgramCache]: Analyzing trace with hash 280728469, now seen corresponding path program 1 times
[2022-01-31 17:01:13,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 17:01:13,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904584332]
[2022-01-31 17:01:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 17:01:13,972 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult
[2022-01-31 17:01:13,973 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE
[2022-01-31 17:01:13,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 17:01:13,974 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-01-31 17:01:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 17:01:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-31 17:01:14,292 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-01-31 17:01:14,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904584332]
[2022-01-31 17:01:14,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1904584332] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 17:01:14,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 17:01:14,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-01-31 17:01:14,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778059386]
[2022-01-31 17:01:14,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 17:01:14,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-01-31 17:01:14,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-01-31 17:01:14,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-01-31 17:01:14,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2022-01-31 17:01:14,324 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 17:01:14,565 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions.
[2022-01-31 17:01:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-01-31 17:01:14,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2022-01-31 17:01:14,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 17:01:14,566 INFO L225 Difference]: With dead ends: 42
[2022-01-31 17:01:14,566 INFO L226 Difference]: Without dead ends: 40
[2022-01-31 17:01:14,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240
[2022-01-31 17:01:14,568 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 36 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-31 17:01:14,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 61 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-31 17:01:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2022-01-31 17:01:14,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2022-01-31 17:01:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2022-01-31 17:01:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions.
[2022-01-31 17:01:14,574 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18
[2022-01-31 17:01:14,575 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-31 17:01:14,575 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions.
[2022-01-31 17:01:14,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions.
[2022-01-31 17:01:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-01-31 17:01:14,576 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 17:01:14,576 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 17:01:14,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-01-31 17:01:14,576 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 17:01:14,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 17:01:14,576 INFO L85 PathProgramCache]: Analyzing trace with hash 119894203, now seen corresponding path program 1 times
[2022-01-31 17:01:14,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 17:01:14,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437196328]
[2022-01-31 17:01:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 17:01:14,578 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult
[2022-01-31 17:01:14,578 WARN L89 AcceleratorJordan]: Jordan acceleration failed, because NONINTEGER_UPDATE
[2022-01-31 17:01:14,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 17:01:14,579 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-01-31 17:01:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 17:01:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 17:01:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-31 17:01:14,678 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-01-31 17:01:14,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437196328]
[2022-01-31 17:01:14,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [437196328] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 17:01:14,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 17:01:14,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-01-31 17:01:14,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862729559]
[2022-01-31 17:01:14,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 17:01:14,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-01-31 17:01:14,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-01-31 17:01:14,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-01-31 17:01:14,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2022-01-31 17:01:14,680 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:14,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 17:01:14,939 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions.
[2022-01-31 17:01:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-01-31 17:01:14,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2022-01-31 17:01:14,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 17:01:14,940 INFO L225 Difference]: With dead ends: 40
[2022-01-31 17:01:14,940 INFO L226 Difference]: Without dead ends: 0
[2022-01-31 17:01:14,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240
[2022-01-31 17:01:14,941 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 29 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-01-31 17:01:14,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 62 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-01-31 17:01:14,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-01-31 17:01:14,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-01-31 17:01:14,942 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)
[2022-01-31 17:01:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-01-31 17:01:14,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23
[2022-01-31 17:01:14,942 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-31 17:01:14,942 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-01-31 17:01:14,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 17:01:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-01-31 17:01:14,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-01-31 17:01:14,944 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-01-31 17:01:14,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-01-31 17:01:14,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-01-31 17:01:15,074 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed.
[2022-01-31 17:01:15,074 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed.
[2022-01-31 17:01:15,074 INFO L858 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed.
[2022-01-31 17:01:15,074 INFO L861 garLoopResultBuilder]: At program point L27-2(lines 27 30) the Hoare annotation is: true
[2022-01-31 17:01:15,074 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 21 47) the Hoare annotation is: true
[2022-01-31 17:01:15,074 INFO L861 garLoopResultBuilder]: At program point L27-3(lines 27 30) the Hoare annotation is: true
[2022-01-31 17:01:15,074 INFO L861 garLoopResultBuilder]: At program point L27-4(lines 27 30) the Hoare annotation is: true
[2022-01-31 17:01:15,075 INFO L854 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (<= |main_#t~mem6| (* (div |main_#t~mem6| 2) 2))
[2022-01-31 17:01:15,075 INFO L854 garLoopResultBuilder]: At program point L36-1(line 36) the Hoare annotation is: (<= |main_#t~mem6| (* (div |main_#t~mem6| 2) 2))
[2022-01-31 17:01:15,075 INFO L861 garLoopResultBuilder]: At program point L32-2(lines 32 38) the Hoare annotation is: true
[2022-01-31 17:01:15,075 INFO L861 garLoopResultBuilder]: At program point L32-3(lines 32 38) the Hoare annotation is: true
[2022-01-31 17:01:15,075 INFO L861 garLoopResultBuilder]: At program point L32-4(lines 32 38) the Hoare annotation is: true
[2022-01-31 17:01:15,075 INFO L854 garLoopResultBuilder]: At program point L41(lines 41 44) the Hoare annotation is: (= |main_#t~mem8| (select (select |#memory_int| |main_~#array~0.base|) (+ |main_~#array~0.offset| (* main_~i~0 4))))
[2022-01-31 17:01:15,075 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 21 47) the Hoare annotation is: true
[2022-01-31 17:01:15,075 INFO L854 garLoopResultBuilder]: At program point L34(lines 34 37) the Hoare annotation is: (or (not (= (+ |main_#t~mem5| (* (- 2) (div |main_#t~mem5| 2))) 0)) (= |main_#t~mem5| (select (select |#memory_int| |main_~#array~0.base|) (+ |main_~#array~0.offset| (* main_~i~0 4)))))
[2022-01-31 17:01:15,075 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 21 47) the Hoare annotation is: true
[2022-01-31 17:01:15,076 INFO L854 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (let ((.cse0 (+ |main_#t~mem9| 1))) (<= .cse0 (* 2 (div .cse0 2))))
[2022-01-31 17:01:15,076 INFO L854 garLoopResultBuilder]: At program point L43-1(line 43) the Hoare annotation is: (let ((.cse0 (+ |main_#t~mem9| 1))) (<= .cse0 (* 2 (div .cse0 2))))
[2022-01-31 17:01:15,076 INFO L861 garLoopResultBuilder]: At program point L39-2(lines 39 45) the Hoare annotation is: true
[2022-01-31 17:01:15,076 INFO L861 garLoopResultBuilder]: At program point L39-3(lines 39 45) the Hoare annotation is: true
[2022-01-31 17:01:15,076 INFO L861 garLoopResultBuilder]: At program point L39-4(lines 39 45) the Hoare annotation is: true
[2022-01-31 17:01:15,076 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2022-01-31 17:01:15,076 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|))
[2022-01-31 17:01:15,076 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2022-01-31 17:01:15,076 INFO L861 garLoopResultBuilder]: At program point printOddENTRY(lines 18 20) the Hoare annotation is: true
[2022-01-31 17:01:15,076 INFO L854 garLoopResultBuilder]: At program point printOddFINAL(lines 18 20) the Hoare annotation is: (or (not (let ((.cse0 (+ 1 |printOdd_#in~i|))) (<= .cse0 (* (div .cse0 2) 2)))) (not (= printOdd_~i (* (div printOdd_~i 2) 2))))
[2022-01-31 17:01:15,077 INFO L854 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (or (not (let ((.cse0 (+ 1 |printOdd_#in~i|))) (<= .cse0 (* (div .cse0 2) 2)))) (not (= printOdd_~i (* (div printOdd_~i 2) 2))))
[2022-01-31 17:01:15,077 INFO L854 garLoopResultBuilder]: At program point printOddEXIT(lines 18 20) the Hoare annotation is: (or (not (let ((.cse0 (+ 1 |printOdd_#in~i|))) (<= .cse0 (* (div .cse0 2) 2)))) (not (= printOdd_~i (* (div printOdd_~i 2) 2))))
[2022-01-31 17:01:15,077 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2022-01-31 17:01:15,077 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true
[2022-01-31 17:01:15,077 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2022-01-31 17:01:15,077 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2022-01-31 17:01:15,077 INFO L854 garLoopResultBuilder]: At program point L16(line 16) the Hoare annotation is: (or (<= printEven_~i (* (div printEven_~i 2) 2)) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2)))))
[2022-01-31 17:01:15,077 INFO L854 garLoopResultBuilder]: At program point printEvenEXIT(lines 15 17) the Hoare annotation is: (or (<= printEven_~i (* (div printEven_~i 2) 2)) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2)))))
[2022-01-31 17:01:15,077 INFO L861 garLoopResultBuilder]: At program point printEvenENTRY(lines 15 17) the Hoare annotation is: true
[2022-01-31 17:01:15,077 INFO L854 garLoopResultBuilder]: At program point printEvenFINAL(lines 15 17) the Hoare annotation is: (or (<= printEven_~i (* (div printEven_~i 2) 2)) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2)))))
[2022-01-31 17:01:15,078 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 14) the Hoare annotation is: true
[2022-01-31 17:01:15,078 INFO L854 garLoopResultBuilder]: At program point L14(line 14) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-01-31 17:01:15,078 INFO L854 garLoopResultBuilder]: At program point L14-1(line 14) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-01-31 17:01:15,078 INFO L854 garLoopResultBuilder]: At program point L14-3(line 14) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-01-31 17:01:15,078 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(line 14) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-01-31 17:01:15,078 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-01-31 17:01:15,080 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-01-31 17:01:15,081 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-01-31 17:01:15,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 05:01:15 BoogieIcfgContainer
[2022-01-31 17:01:15,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-01-31 17:01:15,092 INFO L158 Benchmark]: Toolchain (without parser) took 2997.41ms. Allocated memory is still 175.1MB. Free memory was 127.1MB in the beginning and 101.0MB in the end (delta: 26.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB.
[2022-01-31 17:01:15,092 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 175.1MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-01-31 17:01:15,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.76ms. Allocated memory is still 175.1MB. Free memory was 126.9MB in the beginning and 153.3MB in the end (delta: -26.4MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB.
[2022-01-31 17:01:15,093 INFO L158 Benchmark]: Boogie Preprocessor took 82.76ms. Allocated memory is still 175.1MB. Free memory was 153.3MB in the beginning and 151.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-01-31 17:01:15,093 INFO L158 Benchmark]: RCFGBuilder took 493.74ms. Allocated memory is still 175.1MB. Free memory was 151.3MB in the beginning and 139.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-01-31 17:01:15,093 INFO L158 Benchmark]: TraceAbstraction took 2226.15ms. Allocated memory is still 175.1MB. Free memory was 139.3MB in the beginning and 101.0MB in the end (delta: 38.3MB). Peak memory consumption was 38.3MB. Max. memory is 8.0GB.
[2022-01-31 17:01:15,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 175.1MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 189.76ms. Allocated memory is still 175.1MB. Free memory was 126.9MB in the beginning and 153.3MB in the end (delta: -26.4MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 82.76ms. Allocated memory is still 175.1MB. Free memory was 153.3MB in the beginning and 151.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 493.74ms. Allocated memory is still 175.1MB. Free memory was 151.3MB in the beginning and 139.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 2226.15ms. Allocated memory is still 175.1MB. Free memory was 139.3MB in the beginning and 101.0MB in the end (delta: 38.3MB). Peak memory consumption was 38.3MB. Max. memory is 8.0GB.
* 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: 14]: 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 7 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 203 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 494 IncrementalHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 126 mSDtfsCounter, 494 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 85 PreInvPairs, 116 NumberOfFragments, 238 HoareAnnotationTreeSize, 85 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.1s 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: 32]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 39]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 27]: Loop Invariant
Derived loop invariant: 1
- ProcedureContractResult [Line: 18]: Procedure Contract for printOdd
Derived contract for procedure printOdd: !(1 + \old(i) <= (1 + \old(i)) / 2 * 2) || !(i == i / 2 * 2)
- ProcedureContractResult [Line: 15]: Procedure Contract for printEven
Derived contract for procedure printEven: i <= i / 2 * 2 || !(\old(i) <= 2 * (\old(i) / 2))
- ProcedureContractResult [Line: 21]: Procedure Contract for main
Derived contract for procedure main: 1
- ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0)
RESULT: Ultimate proved your program to be correct!
[2022-01-31 17:01:15,121 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...