/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26-1.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-3af5e1f
[2020-09-04 13:29:39,758 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2020-09-04 13:29:39,789 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2020-09-04 13:29:39,826 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-04 13:29:39,829 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-04 13:29:39,856 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-04 13:29:39,856 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 13:29:39,858 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-04 13:29:39,858 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-04 13:29:39,858 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-04 13:29:39,858 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 13:29:39,859 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-04 13:29:39,859 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-04 13:29:39,859 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-04 13:29:39,859 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-04 13:29:39,859 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 13:29:39,859 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 13:29:39,860 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 13:29:39,860 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-04 13:29:39,860 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-04 13:29:39,860 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-04 13:29:39,860 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-04 13:29:39,861 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 13:29:39,861 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-04 13:29:39,861 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-04 13:29:39,861 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-04 13:29:39,862 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 13:29:39,862 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 13:29:39,862 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-04 13:29:39,862 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-04 13:29:39,862 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-04 13:29:39,863 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-04 13:29:39,863 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 13:29:39,863 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-04 13:29:39,863 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-04 13:29:40,324 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 13:29:40,349 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 13:29:40,354 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 13:29:40,355 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-04 13:29:40,358 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-04 13:29:40,359 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-1.c
[2020-09-04 13:29:40,451 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88c0f16ca/7c87952553774e2599c4b4fd8fa403a9/FLAGc820a8820
[2020-09-04 13:29:41,002 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-04 13:29:41,004 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test26-1.c
[2020-09-04 13:29:41,013 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88c0f16ca/7c87952553774e2599c4b4fd8fa403a9/FLAGc820a8820
[2020-09-04 13:29:41,327 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88c0f16ca/7c87952553774e2599c4b4fd8fa403a9
[2020-09-04 13:29:41,339 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 13:29:41,342 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 13:29:41,343 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 13:29:41,343 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 13:29:41,349 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 13:29:41,350 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,354 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2016f310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41, skipping insertion in model container
[2020-09-04 13:29:41,355 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,364 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-04 13:29:41,392 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-04 13:29:41,686 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:29:41,703 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-04 13:29:41,720 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:29:41,739 INFO  L208         MainTranslator]: Completed translation
[2020-09-04 13:29:41,739 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41 WrapperNode
[2020-09-04 13:29:41,740 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 13:29:41,740 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 13:29:41,741 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 13:29:41,741 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 13:29:41,832 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,833 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,842 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,842 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,850 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,852 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,853 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
[2020-09-04 13:29:41,855 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 13:29:41,856 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 13:29:41,856 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 13:29:41,856 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-04 13:29:41,857 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-04 13:29:41,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 13:29:41,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 13:29:41,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure assign
[2020-09-04 13:29:41,931 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 13:29:41,932 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 13:29:41,932 INFO  L130     BoogieDeclarations]: Found specification of procedure assign
[2020-09-04 13:29:41,932 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-04 13:29:41,932 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-04 13:29:41,933 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-04 13:29:41,933 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 13:29:41,933 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-04 13:29:41,933 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-04 13:29:41,933 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 13:29:41,934 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-04 13:29:42,161 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 13:29:42,161 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-04 13:29:42,166 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:29:42 BoogieIcfgContainer
[2020-09-04 13:29:42,166 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 13:29:42,168 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 13:29:42,168 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 13:29:42,172 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-04 13:29:42,172 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:29:41" (1/3) ...
[2020-09-04 13:29:42,173 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbbc166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:29:42, skipping insertion in model container
[2020-09-04 13:29:42,174 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:29:41" (2/3) ...
[2020-09-04 13:29:42,174 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbbc166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:29:42, skipping insertion in model container
[2020-09-04 13:29:42,174 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:29:42" (3/3) ...
[2020-09-04 13:29:42,177 INFO  L109   eAbstractionObserver]: Analyzing ICFG test26-1.c
[2020-09-04 13:29:42,192 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-09-04 13:29:42,202 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-04 13:29:42,226 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-04 13:29:42,252 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-04 13:29:42,252 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-04 13:29:42,252 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-09-04 13:29:42,252 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 13:29:42,252 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 13:29:42,253 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-04 13:29:42,253 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 13:29:42,253 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 13:29:42,273 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states.
[2020-09-04 13:29:42,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-09-04 13:29:42,279 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:29:42,280 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:29:42,281 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:29:42,287 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:29:42,287 INFO  L82        PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times
[2020-09-04 13:29:42,299 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:29:42,300 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542022647]
[2020-09-04 13:29:42,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:29:42,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:29:42,540 ERROR L253   erpolLogProxyWrapper]: Interpolant 2 not inductive
[2020-09-04 13:29:42,559 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 13:29:42,560 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check
	at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874)
	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.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:75)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
	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:317)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-09-04 13:29:42,567 INFO  L168              Benchmark]: Toolchain (without parser) took 1224.12 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.6 MB in the beginning and 152.2 MB in the end (delta: -48.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB.
[2020-09-04 13:29:42,569 INFO  L168              Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-09-04 13:29:42,570 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 397.30 ms. Allocated memory is still 140.0 MB. Free memory was 103.4 MB in the beginning and 93.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2020-09-04 13:29:42,572 INFO  L168              Benchmark]: Boogie Preprocessor took 115.10 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 93.6 MB in the beginning and 180.4 MB in the end (delta: -86.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
[2020-09-04 13:29:42,573 INFO  L168              Benchmark]: RCFGBuilder took 310.57 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 166.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2020-09-04 13:29:42,574 INFO  L168              Benchmark]: TraceAbstraction took 395.85 ms. Allocated memory is still 202.4 MB. Free memory was 166.2 MB in the beginning and 152.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB.
[2020-09-04 13:29:42,579 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.36 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 397.30 ms. Allocated memory is still 140.0 MB. Free memory was 103.4 MB in the beginning and 93.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 115.10 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 93.6 MB in the beginning and 180.4 MB in the end (delta: -86.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 310.57 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 166.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 395.85 ms. Allocated memory is still 202.4 MB. Free memory was 166.2 MB in the beginning and 152.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...