/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-d966a43
[2022-01-31 20:55:24,431 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-01-31 20:55:24,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-31 20:55:24,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-31 20:55:24,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-31 20:55:24,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-31 20:55:24,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-31 20:55:24,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-31 20:55:24,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-31 20:55:24,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-31 20:55:24,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-01-31 20:55:24,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-31 20:55:24,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-31 20:55:24,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-31 20:55:24,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-31 20:55:24,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-31 20:55:24,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-31 20:55:24,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-31 20:55:24,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-31 20:55:24,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-31 20:55:24,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-31 20:55:24,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-31 20:55:24,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-01-31 20:55:24,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-31 20:55:24,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-01-31 20:55:24,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-01-31 20:55:24,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-01-31 20:55:24,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf
[2022-01-31 20:55:24,543 INFO L113 SettingsManager]: Loading preferences was successful
[2022-01-31 20:55:24,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-31 20:55:24,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-31 20:55:24,544 INFO L138 SettingsManager]: * sizeof long=4
[2022-01-31 20:55:24,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-01-31 20:55:24,544 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-01-31 20:55:24,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-01-31 20:55:24,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-01-31 20:55:24,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-31 20:55:24,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-01-31 20:55:24,545 INFO L138 SettingsManager]: * sizeof long double=12
[2022-01-31 20:55:24,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-01-31 20:55:24,545 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-01-31 20:55:24,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-01-31 20:55:24,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-31 20:55:24,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-01-31 20:55:24,546 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-01-31 20:55:24,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-01-31 20:55:24,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 20:55:24,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-31 20:55:24,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2022-01-31 20:55:24,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-31 20:55:24,546 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN
[2022-01-31 20:55:24,546 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-31 20:55:24,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-31 20:55:24,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-31 20:55:24,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-31 20:55:24,756 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-01-31 20:55:24,757 INFO L275 PluginConnector]: CDTParser initialized
[2022-01-31 20:55:24,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c
[2022-01-31 20:55:24,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb20b2af/00d8112caffc47458acc66df7e87cdf4/FLAG3c9fd58ce
[2022-01-31 20:55:25,170 INFO L306 CDTParser]: Found 1 translation units.
[2022-01-31 20:55:25,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c
[2022-01-31 20:55:25,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb20b2af/00d8112caffc47458acc66df7e87cdf4/FLAG3c9fd58ce
[2022-01-31 20:55:25,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb20b2af/00d8112caffc47458acc66df7e87cdf4
[2022-01-31 20:55:25,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-31 20:55:25,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-01-31 20:55:25,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-31 20:55:25,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-31 20:55:25,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-31 20:55:25,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e02243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25, skipping insertion in model container
[2022-01-31 20:55:25,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-01-31 20:55:25,202 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-01-31 20:55:25,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c[584,597]
[2022-01-31 20:55:25,307 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-31 20:55:25,312 INFO L203 MainTranslator]: Completed pre-run
[2022-01-31 20:55:25,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c[584,597]
[2022-01-31 20:55:25,322 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-01-31 20:55:25,330 INFO L208 MainTranslator]: Completed translation
[2022-01-31 20:55:25,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25 WrapperNode
[2022-01-31 20:55:25,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-31 20:55:25,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-31 20:55:25,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-31 20:55:25,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-01-31 20:55:25,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-31 20:55:25,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-31 20:55:25,346 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-01-31 20:55:25,346 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-01-31 20:55:25,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (1/1) ...
[2022-01-31 20:55:25,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 20:55:25,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-31 20:55:25,368 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 20:55:25,372 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 20:55:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-01-31 20:55:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-31 20:55:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-01-31 20:55:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-01-31 20:55:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-01-31 20:55:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-01-31 20:55:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-01-31 20:55:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-01-31 20:55:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-31 20:55:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-01-31 20:55:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-01-31 20:55:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-01-31 20:55:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-01-31 20:55:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-31 20:55:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-01-31 20:55:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-01-31 20:55:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-31 20:55:25,432 INFO L234 CfgBuilder]: Building ICFG
[2022-01-31 20:55:25,433 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-31 20:55:25,502 INFO L275 CfgBuilder]: Performing block encoding
[2022-01-31 20:55:25,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-31 20:55:25,506 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2022-01-31 20:55:25,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:55:25 BoogieIcfgContainer
[2022-01-31 20:55:25,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-31 20:55:25,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-31 20:55:25,508 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-01-31 20:55:25,510 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-01-31 20:55:25,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:55:25" (1/3) ...
[2022-01-31 20:55:25,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e93ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:55:25, skipping insertion in model container
[2022-01-31 20:55:25,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:55:25" (2/3) ...
[2022-01-31 20:55:25,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e93ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:55:25, skipping insertion in model container
[2022-01-31 20:55:25,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:55:25" (3/3) ...
[2022-01-31 20:55:25,512 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_vardep_1.c
[2022-01-31 20:55:25,515 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-01-31 20:55:25,515 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-31 20:55:25,542 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-31 20:55:25,547 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN
[2022-01-31 20:55:25,547 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-31 20:55:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 20:55:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-01-31 20:55:25,588 INFO L506 BasicCegarLoop]: Found error trace
[2022-01-31 20:55:25,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 20:55:25,589 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 20:55:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 20:55:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash -221021474, now seen corresponding path program 1 times
[2022-01-31 20:55:25,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-01-31 20:55:25,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363572970]
[2022-01-31 20:55:25,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 20:55:25,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 20:55:25,663 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-01-31 20:55:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 20:55:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 20:55:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 20:55:25,955 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 20:55:25,956 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-01-31 20:55:25,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363572970]
[2022-01-31 20:55:25,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [363572970] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 20:55:25,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 20:55:25,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-01-31 20:55:25,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216322037]
[2022-01-31 20:55:25,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 20:55:25,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-01-31 20:55:25,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-01-31 20:55:25,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-01-31 20:55:25,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-01-31 20:55:25,987 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 20:55:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 20:55:26,105 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions.
[2022-01-31 20:55:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-01-31 20:55:26,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 11
[2022-01-31 20:55:26,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 20:55:26,110 INFO L225 Difference]: With dead ends: 29
[2022-01-31 20:55:26,110 INFO L226 Difference]: Without dead ends: 0
[2022-01-31 20:55:26,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110
[2022-01-31 20:55:26,114 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-31 20:55:26,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 32 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-31 20:55:26,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-01-31 20:55:26,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-01-31 20:55:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-31 20:55:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-01-31 20:55:26,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11
[2022-01-31 20:55:26,134 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-01-31 20:55:26,134 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-01-31 20:55:26,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 20:55:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-01-31 20:55:26,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-01-31 20:55:26,136 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-01-31 20:55:26,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-31 20:55:26,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-01-31 20:55:26,237 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 6) no Hoare annotation was computed.
[2022-01-31 20:55:26,237 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 6) no Hoare annotation was computed.
[2022-01-31 20:55:26,237 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 6) no Hoare annotation was computed.
[2022-01-31 20:55:26,237 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2022-01-31 20:55:26,238 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))
[2022-01-31 20:55:26,238 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2022-01-31 20:55:26,238 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2022-01-31 20:55:26,238 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true
[2022-01-31 20:55:26,238 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2022-01-31 20:55:26,239 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2022-01-31 20:55:26,239 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 15 29) the Hoare annotation is: true
[2022-01-31 20:55:26,239 INFO L854 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (let ((.cse2 (div main_~k~0 4294967296)) (.cse3 (div (+ main_~i~0 main_~j~0) 4294967296))) (let ((.cse1 (+ (* .cse3 4294967296) main_~k~0)) (.cse0 (* .cse2 4294967296))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (not (<= (+ .cse2 1) .cse3)))))
[2022-01-31 20:55:26,239 INFO L854 garLoopResultBuilder]: At program point L26-1(lines 21 27) the Hoare annotation is: (let ((.cse2 (div main_~k~0 4294967296)) (.cse3 (div (+ main_~i~0 main_~j~0) 4294967296))) (let ((.cse1 (+ (* .cse3 4294967296) main_~k~0)) (.cse0 (* .cse2 4294967296))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (not (<= (+ .cse2 1) .cse3)))))
[2022-01-31 20:55:26,240 INFO L854 garLoopResultBuilder]: At program point mainEXIT(lines 15 29) the Hoare annotation is: (let ((.cse2 (div main_~k~0 4294967296)) (.cse3 (div (+ main_~i~0 main_~j~0) 4294967296))) (let ((.cse1 (+ (* .cse3 4294967296) main_~k~0)) (.cse0 (* .cse2 4294967296))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (not (<= (+ .cse2 1) .cse3)))))
[2022-01-31 20:55:26,241 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 15 29) the Hoare annotation is: (let ((.cse2 (div main_~k~0 4294967296)) (.cse3 (div (+ main_~i~0 main_~j~0) 4294967296))) (let ((.cse1 (+ (* .cse3 4294967296) main_~k~0)) (.cse0 (* .cse2 4294967296))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (not (<= (+ .cse2 1) .cse3)))))
[2022-01-31 20:55:26,241 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true
[2022-01-31 20:55:26,241 INFO L854 garLoopResultBuilder]: At program point L10(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-01-31 20:55:26,242 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 7 13) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-01-31 20:55:26,242 INFO L854 garLoopResultBuilder]: At program point L9(lines 9 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-01-31 20:55:26,242 INFO L854 garLoopResultBuilder]: At program point L9-2(lines 7 13) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2022-01-31 20:55:26,242 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2022-01-31 20:55:26,253 INFO L732 BasicCegarLoop]: Path program histogram: [1]
[2022-01-31 20:55:26,256 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-01-31 20:55:26,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:55:26 BoogieIcfgContainer
[2022-01-31 20:55:26,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-01-31 20:55:26,270 INFO L158 Benchmark]: Toolchain (without parser) took 1084.36ms. Allocated memory is still 203.4MB. Free memory was 154.7MB in the beginning and 128.0MB in the end (delta: 26.7MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB.
[2022-01-31 20:55:26,270 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-01-31 20:55:26,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.27ms. Allocated memory is still 203.4MB. Free memory was 154.6MB in the beginning and 181.0MB in the end (delta: -26.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB.
[2022-01-31 20:55:26,271 INFO L158 Benchmark]: Boogie Preprocessor took 15.26ms. Allocated memory is still 203.4MB. Free memory was 181.0MB in the beginning and 179.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-01-31 20:55:26,271 INFO L158 Benchmark]: RCFGBuilder took 160.69ms. Allocated memory is still 203.4MB. Free memory was 179.4MB in the beginning and 169.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-01-31 20:55:26,271 INFO L158 Benchmark]: TraceAbstraction took 761.26ms. Allocated memory is still 203.4MB. Free memory was 168.9MB in the beginning and 128.0MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB.
[2022-01-31 20:55:26,273 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 203.4MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 144.27ms. Allocated memory is still 203.4MB. Free memory was 154.6MB in the beginning and 181.0MB in the end (delta: -26.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 15.26ms. Allocated memory is still 203.4MB. Free memory was 181.0MB in the beginning and 179.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 160.69ms. Allocated memory is still 203.4MB. Free memory was 179.4MB in the beginning and 169.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 761.26ms. Allocated memory is still 203.4MB. Free memory was 168.9MB in the beginning and 128.0MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 10]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 11 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 245 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: (i + j + k / 4294967296 * 4294967296 <= (i + j) / 4294967296 * 4294967296 + k && (i + j) / 4294967296 * 4294967296 + k < i + j + k / 4294967296 * 4294967296 + 1) && !(k / 4294967296 + 1 <= (i + j) / 4294967296)
- ProcedureContractResult [Line: 15]: Procedure Contract for main
Derived contract for procedure main: (i + j + k / 4294967296 * 4294967296 <= (i + j) / 4294967296 * 4294967296 + k && (i + j) / 4294967296 * 4294967296 + k < i + j + k / 4294967296 * 4294967296 + 1) && !(k / 4294967296 + 1 <= (i + j) / 4294967296)
- ProcedureContractResult [Line: 7]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0)
RESULT: Ultimate proved your program to be correct!
[2022-01-31 20:55:26,304 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...