/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/loops-crafted-1/mono-crafted_1.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-05ce600
[2022-02-24 01:38:02,994 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-24 01:38:02,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-24 01:38:03,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-24 01:38:03,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-24 01:38:03,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-24 01:38:03,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-24 01:38:03,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-24 01:38:03,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-24 01:38:03,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-24 01:38:03,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-24 01:38:03,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-24 01:38:03,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-24 01:38:03,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-24 01:38:03,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-24 01:38:03,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-24 01:38:03,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-24 01:38:03,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-24 01:38:03,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-24 01:38:03,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-24 01:38:03,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-24 01:38:03,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-24 01:38:03,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-24 01:38:03,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-24 01:38:03,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-24 01:38:03,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-24 01:38:03,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf
[2022-02-24 01:38:03,072 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-24 01:38:03,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-24 01:38:03,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-24 01:38:03,074 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-24 01:38:03,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-24 01:38:03,074 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-24 01:38:03,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-24 01:38:03,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-24 01:38:03,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-24 01:38:03,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-24 01:38:03,075 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-24 01:38:03,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-24 01:38:03,075 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-24 01:38:03,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-24 01:38:03,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-24 01:38:03,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-24 01:38:03,076 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-24 01:38:03,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-24 01:38:03,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-24 01:38:03,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-24 01:38:03,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2022-02-24 01:38:03,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-24 01:38:03,076 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN
[2022-02-24 01:38:03,076 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-02-24 01:38:03,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-24 01:38:03,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-24 01:38:03,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-24 01:38:03,269 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-24 01:38:03,271 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-24 01:38:03,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/mono-crafted_1.c
[2022-02-24 01:38:03,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52ba0ab7/696364d524664a56ae13763773f04cdc/FLAGaa1983e41
[2022-02-24 01:38:03,692 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-24 01:38:03,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/mono-crafted_1.c
[2022-02-24 01:38:03,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52ba0ab7/696364d524664a56ae13763773f04cdc/FLAGaa1983e41
[2022-02-24 01:38:03,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52ba0ab7/696364d524664a56ae13763773f04cdc
[2022-02-24 01:38:03,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-24 01:38:03,714 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-24 01:38:03,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-24 01:38:03,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-24 01:38:03,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-24 01:38:03,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403248f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03, skipping insertion in model container
[2022-02-24 01:38:03,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-24 01:38:03,735 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-24 01:38:03,872 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/mono-crafted_1.c[318,331]
[2022-02-24 01:38:03,886 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-24 01:38:03,891 INFO L203 MainTranslator]: Completed pre-run
[2022-02-24 01:38:03,898 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/mono-crafted_1.c[318,331]
[2022-02-24 01:38:03,901 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-24 01:38:03,909 INFO L208 MainTranslator]: Completed translation
[2022-02-24 01:38:03,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03 WrapperNode
[2022-02-24 01:38:03,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-24 01:38:03,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-24 01:38:03,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-24 01:38:03,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-24 01:38:03,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-24 01:38:03,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-24 01:38:03,941 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-24 01:38:03,941 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-24 01:38:03,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (1/1) ...
[2022-02-24 01:38:03,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-24 01:38:03,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-24 01:38:03,964 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)
[2022-02-24 01:38:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-02-24 01:38:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-24 01:38:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2022-02-24 01:38:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-02-24 01:38:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-02-24 01:38:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-24 01:38:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-24 01:38:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-24 01:38:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-24 01:38:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-24 01:38:03,996 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
[2022-02-24 01:38:04,049 INFO L234 CfgBuilder]: Building ICFG
[2022-02-24 01:38:04,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-24 01:38:04,149 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-24 01:38:04,153 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-24 01:38:04,153 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2022-02-24 01:38:04,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:38:04 BoogieIcfgContainer
[2022-02-24 01:38:04,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-24 01:38:04,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-24 01:38:04,155 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-24 01:38:04,166 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-24 01:38:04,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 01:38:03" (1/3) ...
[2022-02-24 01:38:04,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702f75df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:38:04, skipping insertion in model container
[2022-02-24 01:38:04,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:38:03" (2/3) ...
[2022-02-24 01:38:04,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702f75df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:38:04, skipping insertion in model container
[2022-02-24 01:38:04,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:38:04" (3/3) ...
[2022-02-24 01:38:04,168 INFO L111 eAbstractionObserver]: Analyzing ICFG mono-crafted_1.c
[2022-02-24 01:38:04,171 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2022-02-24 01:38:04,171 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-24 01:38:04,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-24 01:38:04,227 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
[2022-02-24 01:38:04,228 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-24 01:38:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2022-02-24 01:38:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-02-24 01:38:04,240 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 01:38:04,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 01:38:04,241 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 01:38:04,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 01:38:04,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1168619535, now seen corresponding path program 1 times
[2022-02-24 01:38:04,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 01:38:04,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527028149]
[2022-02-24 01:38:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 01:38:04,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 01:38:04,289 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-24 01:38:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 01:38:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-24 01:38:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 01:38:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-24 01:38:04,386 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-24 01:38:04,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527028149]
[2022-02-24 01:38:04,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [527028149] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-24 01:38:04,400 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-24 01:38:04,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-24 01:38:04,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398071733]
[2022-02-24 01:38:04,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-24 01:38:04,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-24 01:38:04,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-24 01:38:04,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-24 01:38:04,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-24 01:38:04,428 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-24 01:38:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-24 01:38:04,468 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions.
[2022-02-24 01:38:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-24 01:38:04,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2022-02-24 01:38:04,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-24 01:38:04,475 INFO L225 Difference]: With dead ends: 34
[2022-02-24 01:38:04,475 INFO L226 Difference]: Without dead ends: 14
[2022-02-24 01:38:04,477 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
[2022-02-24 01:38:04,480 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25 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
[2022-02-24 01:38:04,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-24 01:38:04,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2022-02-24 01:38:04,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2022-02-24 01:38:04,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-24 01:38:04,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions.
[2022-02-24 01:38:04,508 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 12
[2022-02-24 01:38:04,508 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-24 01:38:04,509 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions.
[2022-02-24 01:38:04,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-24 01:38:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions.
[2022-02-24 01:38:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-02-24 01:38:04,510 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 01:38:04,510 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 01:38:04,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-24 01:38:04,510 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 01:38:04,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 01:38:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1458605129, now seen corresponding path program 1 times
[2022-02-24 01:38:04,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 01:38:04,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881541270]
[2022-02-24 01:38:04,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 01:38:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 01:38:04,521 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2022-02-24 01:38:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 01:38:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-02-24 01:38:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-24 01:38:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-24 01:38:04,596 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2022-02-24 01:38:04,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881541270]
[2022-02-24 01:38:04,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [881541270] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-24 01:38:04,597 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-24 01:38:04,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-02-24 01:38:04,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244316389]
[2022-02-24 01:38:04,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-24 01:38:04,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-24 01:38:04,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2022-02-24 01:38:04,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-24 01:38:04,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-02-24 01:38:04,600 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-24 01:38:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-24 01:38:04,639 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions.
[2022-02-24 01:38:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-02-24 01:38:04,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2022-02-24 01:38:04,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-24 01:38:04,640 INFO L225 Difference]: With dead ends: 24
[2022-02-24 01:38:04,640 INFO L226 Difference]: Without dead ends: 16
[2022-02-24 01:38:04,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-02-24 01:38:04,645 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-24 01:38:04,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 21 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-24 01:38:04,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2022-02-24 01:38:04,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2022-02-24 01:38:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-24 01:38:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions.
[2022-02-24 01:38:04,654 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12
[2022-02-24 01:38:04,654 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-24 01:38:04,654 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions.
[2022-02-24 01:38:04,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-02-24 01:38:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions.
[2022-02-24 01:38:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-02-24 01:38:04,655 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-24 01:38:04,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-24 01:38:04,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-24 01:38:04,656 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-02-24 01:38:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-24 01:38:04,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1316432198, now seen corresponding path program 1 times
[2022-02-24 01:38:04,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2022-02-24 01:38:04,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196184222]
[2022-02-24 01:38:04,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-24 01:38:04,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-24 01:38:04,758 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult
[2022-02-24 01:38:04,760 INFO L275 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE
[2022-02-24 01:38:04,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-24 01:38:04,778 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:232)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:91)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:89)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:170)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:126)
at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:297)
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:216)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:129)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:93)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:79)
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)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:471)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertCodeBlocks.java:109)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:313)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:211)
... 34 more
[2022-02-24 01:38:04,782 INFO L158 Benchmark]: Toolchain (without parser) took 1068.05ms. Allocated memory is still 197.1MB. Free memory was 148.1MB in the beginning and 127.8MB in the end (delta: 20.3MB). Peak memory consumption was 20.4MB. Max. memory is 8.0GB.
[2022-02-24 01:38:04,783 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory was 164.4MB in the beginning and 164.3MB in the end (delta: 67.9kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-24 01:38:04,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.85ms. Allocated memory is still 197.1MB. Free memory was 147.9MB in the beginning and 173.9MB in the end (delta: -26.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-24 01:38:04,783 INFO L158 Benchmark]: Boogie Preprocessor took 29.05ms. Allocated memory is still 197.1MB. Free memory was 173.9MB in the beginning and 172.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-24 01:38:04,783 INFO L158 Benchmark]: RCFGBuilder took 213.66ms. Allocated memory is still 197.1MB. Free memory was 172.4MB in the beginning and 163.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-24 01:38:04,784 INFO L158 Benchmark]: TraceAbstraction took 626.72ms. Allocated memory is still 197.1MB. Free memory was 162.4MB in the beginning and 127.8MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB.
[2022-02-24 01:38:04,785 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 197.1MB. Free memory was 164.4MB in the beginning and 164.3MB in the end (delta: 67.9kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 192.85ms. Allocated memory is still 197.1MB. Free memory was 147.9MB in the beginning and 173.9MB in the end (delta: -26.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 29.05ms. Allocated memory is still 197.1MB. Free memory was 173.9MB in the beginning and 172.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 213.66ms. Allocated memory is still 197.1MB. Free memory was 172.4MB in the beginning and 163.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 626.72ms. Allocated memory is still 197.1MB. Free memory was 162.4MB in the beginning and 127.8MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:232)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-02-24 01:38:04,817 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...