/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-b7b32d2
[2021-02-22 00:15:53,678 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-22 00:15:53,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2021-02-22 00:15:53,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-22 00:15:53,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-22 00:15:53,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-02-22 00:15:53,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-22 00:15:53,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-22 00:15:53,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-22 00:15:53,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-22 00:15:53,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-22 00:15:53,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-22 00:15:53,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-22 00:15:53,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-22 00:15:53,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-22 00:15:53,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-22 00:15:53,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-22 00:15:53,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-22 00:15:53,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-22 00:15:53,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-02-22 00:15:53,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-02-22 00:15:53,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-02-22 00:15:53,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-02-22 00:15:53,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-22 00:15:53,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2021-02-22 00:15:53,844 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-22 00:15:53,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-22 00:15:53,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-22 00:15:53,849 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-22 00:15:53,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-22 00:15:53,849 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-22 00:15:53,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-22 00:15:53,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-22 00:15:53,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-22 00:15:53,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-22 00:15:53,851 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-22 00:15:53,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-22 00:15:53,852 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-22 00:15:53,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-22 00:15:53,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-22 00:15:53,852 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-22 00:15:53,853 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-22 00:15:53,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-22 00:15:53,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-22 00:15:53,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-22 00:15:53,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-22 00:15:53,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-22 00:15:53,854 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2021-02-22 00:15:54,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-22 00:15:54,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-22 00:15:54,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-22 00:15:54,346 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-22 00:15:54,347 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-22 00:15:54,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c
[2021-02-22 00:15:54,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c9f9b10/a7d04d1a3f1b4710b2e03ad03b610c40/FLAGacc0f4a99
[2021-02-22 00:15:55,158 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-22 00:15:55,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c
[2021-02-22 00:15:55,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c9f9b10/a7d04d1a3f1b4710b2e03ad03b610c40/FLAGacc0f4a99
[2021-02-22 00:15:55,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c9f9b10/a7d04d1a3f1b4710b2e03ad03b610c40
[2021-02-22 00:15:55,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-22 00:15:55,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-22 00:15:55,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-22 00:15:55,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-22 00:15:55,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-22 00:15:55,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6597fe59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55, skipping insertion in model container
[2021-02-22 00:15:55,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-22 00:15:55,584 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-22 00:15:55,748 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c[949,962]
[2021-02-22 00:15:55,752 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-22 00:15:55,763 INFO L203 MainTranslator]: Completed pre-run
[2021-02-22 00:15:55,782 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c[949,962]
[2021-02-22 00:15:55,783 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-22 00:15:55,800 INFO L208 MainTranslator]: Completed translation
[2021-02-22 00:15:55,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55 WrapperNode
[2021-02-22 00:15:55,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-22 00:15:55,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-22 00:15:55,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-22 00:15:55,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-22 00:15:55,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
[2021-02-22 00:15:55,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-22 00:15:55,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-22 00:15:55,838 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-22 00:15:55,838 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-22 00:15:55,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-22 00:15:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-22 00:15:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-22 00:15:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-22 00:15:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1
[2021-02-22 00:15:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2
[2021-02-22 00:15:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-22 00:15:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-02-22 00:15:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-22 00:15:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-22 00:15:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-22 00:15:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-22 00:15:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1
[2021-02-22 00:15:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2
[2021-02-22 00:15:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-22 00:15:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-22 00:15:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-22 00:15:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-22 00:15:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-22 00:15:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-22 00:15:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-22 00:15:56,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-22 00:15:56,297 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-02-22 00:15:56,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:15:56 BoogieIcfgContainer
[2021-02-22 00:15:56,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-22 00:15:56,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-22 00:15:56,316 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-22 00:15:56,328 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-22 00:15:56,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:15:55" (1/3) ...
[2021-02-22 00:15:56,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3bac36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:15:56, skipping insertion in model container
[2021-02-22 00:15:56,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:15:55" (2/3) ...
[2021-02-22 00:15:56,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3bac36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:15:56, skipping insertion in model container
[2021-02-22 00:15:56,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:15:56" (3/3) ...
[2021-02-22 00:15:56,338 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c
[2021-02-22 00:15:56,358 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-22 00:15:56,369 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-22 00:15:56,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-22 00:15:56,473 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-22 00:15:56,474 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-22 00:15:56,474 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2021-02-22 00:15:56,474 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-22 00:15:56,474 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-22 00:15:56,475 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-22 00:15:56,475 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-22 00:15:56,475 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-22 00:15:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states.
[2021-02-22 00:15:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-02-22 00:15:56,519 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-22 00:15:56,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-22 00:15:56,521 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-22 00:15:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-22 00:15:56,535 INFO L82 PathProgramCache]: Analyzing trace with hash 2042570277, now seen corresponding path program 1 times
[2021-02-22 00:15:56,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-22 00:15:56,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741863664]
[2021-02-22 00:15:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-22 00:15:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-22 00:15:56,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-22 00:15:56,692 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.UnsupportedOperationException: Proofs are not supported
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166)
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392)
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:166)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:107)
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:241)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:84)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:74)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:131)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
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)
[2021-02-22 00:15:56,707 INFO L168 Benchmark]: Toolchain (without parser) took 1172.55 ms. Allocated memory is still 168.8 MB. Free memory was 145.3 MB in the beginning and 138.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB.
[2021-02-22 00:15:56,712 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 168.8 MB. Free memory is still 144.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-22 00:15:56,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.77 ms. Allocated memory is still 168.8 MB. Free memory was 144.1 MB in the beginning and 134.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-02-22 00:15:56,718 INFO L168 Benchmark]: Boogie Preprocessor took 35.12 ms. Allocated memory is still 168.8 MB. Free memory was 134.8 MB in the beginning and 133.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-02-22 00:15:56,720 INFO L168 Benchmark]: RCFGBuilder took 473.43 ms. Allocated memory is still 168.8 MB. Free memory was 133.3 MB in the beginning and 150.7 MB in the end (delta: -17.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 8.0 GB.
[2021-02-22 00:15:56,721 INFO L168 Benchmark]: TraceAbstraction took 387.11 ms. Allocated memory is still 168.8 MB. Free memory was 150.2 MB in the beginning and 138.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB.
[2021-02-22 00:15:56,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 168.8 MB. Free memory is still 144.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 249.77 ms. Allocated memory is still 168.8 MB. Free memory was 144.1 MB in the beginning and 134.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 35.12 ms. Allocated memory is still 168.8 MB. Free memory was 134.8 MB in the beginning and 133.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 473.43 ms. Allocated memory is still 168.8 MB. Free memory was 133.3 MB in the beginning and 150.7 MB in the end (delta: -17.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 387.11 ms. Allocated memory is still 168.8 MB. Free memory was 150.2 MB in the beginning and 138.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: UnsupportedOperationException: Proofs are not supported
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Proofs are not supported: de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...