/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/nla-digbench-scaling/cohencu-ll_valuebound10.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-6c470ae
[2022-02-15 02:26:26,949 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-15 02:26:26,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-15 02:26:26,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-15 02:26:26,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-15 02:26:26,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-15 02:26:26,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-15 02:26:26,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-15 02:26:26,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-15 02:26:26,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-15 02:26:26,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-15 02:26:26,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-15 02:26:26,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-15 02:26:27,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-15 02:26:27,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-15 02:26:27,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-15 02:26:27,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-15 02:26:27,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-15 02:26:27,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-15 02:26:27,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-15 02:26:27,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-15 02:26:27,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-15 02:26:27,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-15 02:26:27,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-15 02:26:27,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-15 02:26:27,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-15 02:26:27,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-15 02:26:27,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2022-02-15 02:26:27,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
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[2022-02-15 02:26:27,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-15 02:26:27,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-02-15 02:26:27,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2022-02-15 02:26:27,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-15 02:26:27,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-15 02:26:27,045 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 02:26:27,051 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-15 02:26:27,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-15 02:26:27,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-15 02:26:27,052 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-15 02:26:27,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-15 02:26:27,052 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-15 02:26:27,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-15 02:26:27,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-15 02:26:27,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-15 02:26:27,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-15 02:26:27,053 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-15 02:26:27,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-15 02:26:27,053 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-15 02:26:27,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-15 02:26:27,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-15 02:26:27,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-15 02:26:27,054 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-15 02:26:27,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-15 02:26:27,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-15 02:26:27,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-15 02:26:27,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2022-02-15 02:26:27,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-15 02:26:27,054 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN
[2022-02-15 02:26:27,055 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-02-15 02:26:27,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-15 02:26:27,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-15 02:26:27,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-15 02:26:27,251 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-15 02:26:27,254 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-15 02:26:27,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/cohencu-ll_valuebound10.c
[2022-02-15 02:26:27,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd701d645/d7dff63a069f45099f77877365011f53/FLAG3011ac85a
[2022-02-15 02:26:27,691 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-15 02:26:27,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohencu-ll_valuebound10.c
[2022-02-15 02:26:27,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd701d645/d7dff63a069f45099f77877365011f53/FLAG3011ac85a
[2022-02-15 02:26:27,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd701d645/d7dff63a069f45099f77877365011f53
[2022-02-15 02:26:27,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-15 02:26:27,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-15 02:26:27,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-15 02:26:27,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-15 02:26:27,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-15 02:26:27,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607a8cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27, skipping insertion in model container
[2022-02-15 02:26:27,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-15 02:26:27,736 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-15 02:26:27,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601]
[2022-02-15 02:26:27,862 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-15 02:26:27,867 INFO L203 MainTranslator]: Completed pre-run
[2022-02-15 02:26:27,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601]
[2022-02-15 02:26:27,882 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-15 02:26:27,893 INFO L208 MainTranslator]: Completed translation
[2022-02-15 02:26:27,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27 WrapperNode
[2022-02-15 02:26:27,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-15 02:26:27,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-15 02:26:27,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-15 02:26:27,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-15 02:26:27,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-15 02:26:27,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-15 02:26:27,920 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-15 02:26:27,920 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-15 02:26:27,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (1/1) ...
[2022-02-15 02:26:27,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-15 02:26:27,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-15 02:26:27,947 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 02:26:27,949 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 02:26:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-02-15 02:26:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-15 02:26:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-02-15 02:26:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-02-15 02:26:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-02-15 02:26:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-02-15 02:26:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-02-15 02:26:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-15 02:26:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-15 02:26:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-15 02:26:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-15 02:26:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-15 02:26:28,031 INFO L234 CfgBuilder]: Building ICFG
[2022-02-15 02:26:28,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-15 02:26:28,165 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-15 02:26:28,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-15 02:26:28,170 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-15 02:26:28,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:26:28 BoogieIcfgContainer
[2022-02-15 02:26:28,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-15 02:26:28,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-15 02:26:28,173 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-15 02:26:28,190 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-15 02:26:28,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 02:26:27" (1/3) ...
[2022-02-15 02:26:28,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2a7c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:26:28, skipping insertion in model container
[2022-02-15 02:26:28,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:26:27" (2/3) ...
[2022-02-15 02:26:28,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2a7c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:26:28, skipping insertion in model container
[2022-02-15 02:26:28,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:26:28" (3/3) ...
[2022-02-15 02:26:28,192 INFO L111 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound10.c
[2022-02-15 02:26:28,195 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-02-15 02:26:28,195 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-15 02:26:28,281 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-15 02:26:28,286 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 02:26:28,286 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-15 02:26:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2022-02-15 02:26:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-02-15 02:26:28,323 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-15 02:26:28,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 02:26:28,324 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-15 02:26:28,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 02:26:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash 503189915, now seen corresponding path program 1 times
[2022-02-15 02:26:28,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-15 02:26:28,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027080719]
[2022-02-15 02:26:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 02:26:28,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 02:26:28,390 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-15 02:26:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:26:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-15 02:26:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:26:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2022-02-15 02:26:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:26:28,529 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 02:26:28,530 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-15 02:26:28,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027080719]
[2022-02-15 02:26:28,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2027080719] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 02:26:28,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 02:26:28,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-15 02:26:28,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554136652]
[2022-02-15 02:26:28,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 02:26:28,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-15 02:26:28,537 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-15 02:26:28,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-15 02:26:28,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 02:26:28,565 INFO L87 Difference]: Start difference. First operand has 36 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) 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), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2022-02-15 02:26:28,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 02:26:28,683 INFO L93 Difference]: Finished difference Result 63 states and 101 transitions.
[2022-02-15 02:26:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-15 02:26:28,686 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), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2022-02-15 02:26:28,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 02:26:28,693 INFO L225 Difference]: With dead ends: 63
[2022-02-15 02:26:28,693 INFO L226 Difference]: Without dead ends: 31
[2022-02-15 02:26:28,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 02:26:28,700 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 02:26:28,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 37 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 02:26:28,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2022-02-15 02:26:28,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2022-02-15 02:26:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2022-02-15 02:26:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions.
[2022-02-15 02:26:28,740 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 17
[2022-02-15 02:26:28,740 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-15 02:26:28,741 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions.
[2022-02-15 02:26:28,741 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), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2022-02-15 02:26:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions.
[2022-02-15 02:26:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-02-15 02:26:28,742 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-15 02:26:28,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 02:26:28,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-15 02:26:28,743 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-15 02:26:28,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 02:26:28,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1171868123, now seen corresponding path program 1 times
[2022-02-15 02:26:28,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-15 02:26:28,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877085571]
[2022-02-15 02:26:28,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 02:26:28,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 02:26:28,749 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-15 02:26:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:26:28,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-15 02:26:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:26:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2022-02-15 02:26:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 02:26:28,903 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 02:26:28,903 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-15 02:26:28,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877085571]
[2022-02-15 02:26:28,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1877085571] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 02:26:28,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 02:26:28,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-15 02:26:28,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748573313]
[2022-02-15 02:26:28,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 02:26:28,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-15 02:26:28,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-15 02:26:28,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-15 02:26:28,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-15 02:26:28,907 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-02-15 02:26:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 02:26:29,082 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions.
[2022-02-15 02:26:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-15 02:26:29,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2022-02-15 02:26:29,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 02:26:29,085 INFO L225 Difference]: With dead ends: 37
[2022-02-15 02:26:29,085 INFO L226 Difference]: Without dead ends: 35
[2022-02-15 02:26:29,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2022-02-15 02:26:29,089 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 22 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 02:26:29,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 43 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 02:26:29,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2022-02-15 02:26:29,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2022-02-15 02:26:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 14 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2022-02-15 02:26:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions.
[2022-02-15 02:26:29,101 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 17
[2022-02-15 02:26:29,102 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-15 02:26:29,102 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions.
[2022-02-15 02:26:29,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-02-15 02:26:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions.
[2022-02-15 02:26:29,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2022-02-15 02:26:29,102 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-15 02:26:29,103 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 02:26:29,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-15 02:26:29,103 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-15 02:26:29,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 02:26:29,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1781524074, now seen corresponding path program 1 times
[2022-02-15 02:26:29,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-15 02:26:29,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878352595]
[2022-02-15 02:26:29,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 02:26:29,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 02:26:29,105 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-15 02:26:29,118 WARN L132 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility
[2022-02-15 02:26:29,119 INFO L628 BasicCegarLoop]: Counterexample might be feasible
[2022-02-15 02:26:29,123 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-02-15 02:26:29,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-15 02:26:29,126 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-02-15 02:26:29,127 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-15 02:26:29,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 02:26:29 BoogieIcfgContainer
[2022-02-15 02:26:29,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-15 02:26:29,135 INFO L158 Benchmark]: Toolchain (without parser) took 1421.42ms. Allocated memory is still 216.0MB. Free memory was 168.2MB in the beginning and 132.0MB in the end (delta: 36.2MB). Peak memory consumption was 36.2MB. Max. memory is 8.0GB.
[2022-02-15 02:26:29,135 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 216.0MB. Free memory is still 184.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-15 02:26:29,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.53ms. Allocated memory is still 216.0MB. Free memory was 168.0MB in the beginning and 193.9MB in the end (delta: -25.8MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB.
[2022-02-15 02:26:29,135 INFO L158 Benchmark]: Boogie Preprocessor took 24.66ms. Allocated memory is still 216.0MB. Free memory was 193.9MB in the beginning and 192.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-15 02:26:29,136 INFO L158 Benchmark]: RCFGBuilder took 252.05ms. Allocated memory is still 216.0MB. Free memory was 192.3MB in the beginning and 181.2MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-15 02:26:29,136 INFO L158 Benchmark]: TraceAbstraction took 961.37ms. Allocated memory is still 216.0MB. Free memory was 180.8MB in the beginning and 132.0MB in the end (delta: 48.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB.
[2022-02-15 02:26:29,137 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 216.0MB. Free memory is still 184.4MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 179.53ms. Allocated memory is still 216.0MB. Free memory was 168.0MB in the beginning and 193.9MB in the end (delta: -25.8MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 24.66ms. Allocated memory is still 216.0MB. Free memory was 193.9MB in the beginning and 192.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 252.05ms. Allocated memory is still 216.0MB. Free memory was 192.3MB in the beginning and 181.2MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 961.37ms. Allocated memory is still 216.0MB. Free memory was 180.8MB in the beginning and 132.0MB in the end (delta: 48.8MB). Peak memory consumption was 49.3MB. 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
- UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: unable to decide satisfiability of path constraint.
Possible FailurePath:
[L23] short a;
[L24] long long n, x, y, z;
[L25] a = __VERIFIER_nondet_ushort()
[L26] CALL assume_abort_if_not(a>=0 && a<=10)
[L12] COND FALSE !(!cond)
[L26] RET assume_abort_if_not(a>=0 && a<=10)
[L28] n = 0
[L29] x = 0
[L30] y = 1
[L31] z = 6
[L33] COND TRUE 1
[L34] CALL __VERIFIER_assert(z == 6 * n + 6)
[L15] COND FALSE !(!(cond))
[L34] RET __VERIFIER_assert(z == 6 * n + 6)
[L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1)
[L15] COND TRUE !(cond)
[L17] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 60 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 10, 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: No data available, 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-02-15 02:26:29,166 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...