/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/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-d966a43
[2022-01-31 23:26:03,264 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-01-31 23:26:03,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-31 23:26:03,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-31 23:26:03,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-31 23:26:03,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-31 23:26:03,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-31 23:26:03,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-31 23:26:03,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-31 23:26:03,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-31 23:26:03,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-01-31 23:26:03,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-31 23:26:03,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-31 23:26:03,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-31 23:26:03,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-31 23:26:03,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-31 23:26:03,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-31 23:26:03,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-31 23:26:03,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-31 23:26:03,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-31 23:26:03,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-31 23:26:03,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-31 23:26:03,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-01-31 23:26:03,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-31 23:26:03,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-01-31 23:26:03,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-01-31 23:26:03,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-01-31 23:26:03,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-01-31 23:26:03,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf
[2022-01-31 23:26:03,381 INFO L113 SettingsManager]: Loading preferences was successful
[2022-01-31 23:26:03,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-31 23:26:03,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-31 23:26:03,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-01-31 23:26:03,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-01-31 23:26:03,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-01-31 23:26:03,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-31 23:26:03,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-01-31 23:26:03,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-01-31 23:26:03,384 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-01-31 23:26:03,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-01-31 23:26:03,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-31 23:26:03,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-01-31 23:26:03,385 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-01-31 23:26:03,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-01-31 23:26:03,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 23:26:03,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-31 23:26:03,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2022-01-31 23:26:03,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-31 23:26:03,386 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR
[2022-01-31 23:26:03,386 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-31 23:26:03,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-31 23:26:03,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-31 23:26:03,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-31 23:26:03,629 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-01-31 23:26:03,632 INFO L275 PluginConnector]: CDTParser initialized
[2022-01-31 23:26:03,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c
[2022-01-31 23:26:03,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31b6a5db/370dd83845534160884e28d81679bfa6/FLAG0f9ba84fe
[2022-01-31 23:26:04,069 INFO L306 CDTParser]: Found 1 translation units.
[2022-01-31 23:26:04,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c
[2022-01-31 23:26:04,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31b6a5db/370dd83845534160884e28d81679bfa6/FLAG0f9ba84fe
[2022-01-31 23:26:04,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31b6a5db/370dd83845534160884e28d81679bfa6
[2022-01-31 23:26:04,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-31 23:26:04,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-01-31 23:26:04,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-31 23:26:04,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-31 23:26:04,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-31 23:26:04,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5378da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04, skipping insertion in model container
[2022-01-31 23:26:04,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-01-31 23:26:04,126 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-01-31 23:26:04,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c[321,334]
[2022-01-31 23:26:04,303 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-31 23:26:04,308 INFO L203 MainTranslator]: Completed pre-run
[2022-01-31 23:26:04,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c[321,334]
[2022-01-31 23:26:04,337 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-31 23:26:04,347 INFO L208 MainTranslator]: Completed translation
[2022-01-31 23:26:04,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04 WrapperNode
[2022-01-31 23:26:04,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-31 23:26:04,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-31 23:26:04,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-31 23:26:04,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-01-31 23:26:04,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-31 23:26:04,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-31 23:26:04,383 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-01-31 23:26:04,387 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-01-31 23:26:04,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (1/1) ...
[2022-01-31 23:26:04,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 23:26:04,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-31 23:26:04,416 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 23:26:04,434 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 23:26:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-01-31 23:26:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-31 23:26:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-01-31 23:26:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-01-31 23:26:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-01-31 23:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-01-31 23:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-01-31 23:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-01-31 23:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-31 23:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-01-31 23:26:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-01-31 23:26:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-01-31 23:26:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-01-31 23:26:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-31 23:26:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-01-31 23:26:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-01-31 23:26:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-31 23:26:04,520 INFO L234 CfgBuilder]: Building ICFG
[2022-01-31 23:26:04,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-31 23:26:04,615 INFO L275 CfgBuilder]: Performing block encoding
[2022-01-31 23:26:04,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-31 23:26:04,620 INFO L299 CfgBuilder]: Removed 5 assume(true) statements.
[2022-01-31 23:26:04,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:26:04 BoogieIcfgContainer
[2022-01-31 23:26:04,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-31 23:26:04,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-31 23:26:04,624 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-01-31 23:26:04,626 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-01-31 23:26:04,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:26:04" (1/3) ...
[2022-01-31 23:26:04,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec49206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:26:04, skipping insertion in model container
[2022-01-31 23:26:04,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:26:04" (2/3) ...
[2022-01-31 23:26:04,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec49206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:26:04, skipping insertion in model container
[2022-01-31 23:26:04,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:26:04" (3/3) ...
[2022-01-31 23:26:04,629 INFO L111 eAbstractionObserver]: Analyzing ICFG nested5-1.c
[2022-01-31 23:26:04,633 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-01-31 23:26:04,633 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-31 23:26:04,666 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-31 23:26:04,671 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=QVASR
[2022-01-31 23:26:04,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-31 23:26:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.6) internal successors, (32), 21 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-01-31 23:26:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-01-31 23:26:04,687 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 23:26:04,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 23:26:04,688 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 23:26:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 23:26:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -531959740, now seen corresponding path program 1 times
[2022-01-31 23:26:04,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 23:26:04,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199487820]
[2022-01-31 23:26:04,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 23:26:04,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 23:26:04,773 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-01-31 23:26:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 23:26:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 23:26:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 23:26:04,918 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 23:26:04,920 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-01-31 23:26:04,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199487820]
[2022-01-31 23:26:04,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [199487820] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 23:26:04,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 23:26:04,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-31 23:26:04,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263531769]
[2022-01-31 23:26:04,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 23:26:04,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-31 23:26:04,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-01-31 23:26:04,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-31 23:26:04,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-31 23:26:04,955 INFO L87 Difference]: Start difference. First operand has 28 states, 20 states have (on average 1.6) internal successors, (32), 21 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 23:26:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 23:26:05,014 INFO L93 Difference]: Finished difference Result 50 states and 71 transitions.
[2022-01-31 23:26:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-01-31 23:26:05,017 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, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2022-01-31 23:26:05,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 23:26:05,022 INFO L225 Difference]: With dead ends: 50
[2022-01-31 23:26:05,023 INFO L226 Difference]: Without dead ends: 23
[2022-01-31 23:26:05,025 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 23:26:05,032 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-31 23:26:05,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 34 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-31 23:26:05,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2022-01-31 23:26:05,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2022-01-31 23:26:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-01-31 23:26:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2022-01-31 23:26:05,072 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15
[2022-01-31 23:26:05,072 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-31 23:26:05,073 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2022-01-31 23:26:05,073 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, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 23:26:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2022-01-31 23:26:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-01-31 23:26:05,074 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 23:26:05,074 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 23:26:05,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-31 23:26:05,075 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 23:26:05,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 23:26:05,076 INFO L85 PathProgramCache]: Analyzing trace with hash -537500866, now seen corresponding path program 1 times
[2022-01-31 23:26:05,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 23:26:05,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90355593]
[2022-01-31 23:26:05,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 23:26:05,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 23:26:05,083 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-01-31 23:26:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 23:26:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 23:26:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 23:26:05,213 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 23:26:05,214 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-01-31 23:26:05,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90355593]
[2022-01-31 23:26:05,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [90355593] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 23:26:05,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 23:26:05,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-01-31 23:26:05,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211154273]
[2022-01-31 23:26:05,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 23:26:05,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-01-31 23:26:05,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-01-31 23:26:05,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-01-31 23:26:05,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-01-31 23:26:05,217 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 23:26:05,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 23:26:05,285 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions.
[2022-01-31 23:26:05,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-01-31 23:26:05,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2022-01-31 23:26:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 23:26:05,287 INFO L225 Difference]: With dead ends: 49
[2022-01-31 23:26:05,287 INFO L226 Difference]: Without dead ends: 32
[2022-01-31 23:26:05,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-01-31 23:26:05,290 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 41 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-31 23:26:05,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 31 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-31 23:26:05,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2022-01-31 23:26:05,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 24.
[2022-01-31 23:26:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-01-31 23:26:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions.
[2022-01-31 23:26:05,300 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 15
[2022-01-31 23:26:05,300 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-31 23:26:05,301 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions.
[2022-01-31 23:26:05,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-01-31 23:26:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions.
[2022-01-31 23:26:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-01-31 23:26:05,302 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 23:26:05,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 23:26:05,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-31 23:26:05,303 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 23:26:05,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 23:26:05,304 INFO L85 PathProgramCache]: Analyzing trace with hash -509289700, now seen corresponding path program 1 times
[2022-01-31 23:26:05,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 23:26:05,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850977190]
[2022-01-31 23:26:05,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 23:26:05,325 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.NullPointerException
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:493)
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:426)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:249)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:249)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.checkEquivalence(SmtUtils.java:2374)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.areFormulasEquivalent(SmtUtils.java:2366)
at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrUtils.checkTermEquiv(QvasrUtils.java:211)
at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractor.simplifyRealMultiplication(QvasrAbstractor.java:720)
at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractor.gaussPartialPivot(QvasrAbstractor.java:196)
at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractor.gaussianSolve(QvasrAbstractor.java:132)
at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractor.computeAbstraction(QvasrAbstractor.java:111)
at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrSummarizer.summarizeLoop(QvasrSummarizer.java:133)
at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrLoopSummarization.getQvasrAcceleration(QvasrLoopSummarization.java:79)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorQvasr.accelerateLoop(AcceleratorQvasr.java:87)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:210)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.<init>(AcceleratedInterpolation.java:185)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:88)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:76)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:156)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2022-01-31 23:26:05,328 INFO L158 Benchmark]: Toolchain (without parser) took 1226.40ms. Allocated memory was 181.4MB in the beginning and 260.0MB in the end (delta: 78.6MB). Free memory was 127.0MB in the beginning and 184.6MB in the end (delta: -57.6MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB.
[2022-01-31 23:26:05,328 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-01-31 23:26:05,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.09ms. Allocated memory was 181.4MB in the beginning and 260.0MB in the end (delta: 78.6MB). Free memory was 126.9MB in the beginning and 231.3MB in the end (delta: -104.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB.
[2022-01-31 23:26:05,329 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 260.0MB. Free memory was 231.3MB in the beginning and 229.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-01-31 23:26:05,330 INFO L158 Benchmark]: RCFGBuilder took 239.04ms. Allocated memory is still 260.0MB. Free memory was 229.7MB in the beginning and 219.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-01-31 23:26:05,330 INFO L158 Benchmark]: TraceAbstraction took 703.85ms. Allocated memory is still 260.0MB. Free memory was 218.7MB in the beginning and 184.6MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB.
[2022-01-31 23:26:05,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 242.09ms. Allocated memory was 181.4MB in the beginning and 260.0MB in the end (delta: 78.6MB). Free memory was 126.9MB in the beginning and 231.3MB in the end (delta: -104.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 33.89ms. Allocated memory is still 260.0MB. Free memory was 231.3MB in the beginning and 229.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 239.04ms. Allocated memory is still 260.0MB. Free memory was 229.7MB in the beginning and 219.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 703.85ms. Allocated memory is still 260.0MB. Free memory was 218.7MB in the beginning and 184.6MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: NullPointerException: null
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:493)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-01-31 23:26:05,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...