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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/bist_cell.cil.c
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 23:26:36,446 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 23:26:36,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 23:26:36,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 23:26:36,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 23:26:36,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 23:26:36,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 23:26:36,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 23:26:36,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 23:26:36,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 23:26:36,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 23:26:36,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 23:26:36,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 23:26:36,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 23:26:36,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 23:26:36,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 23:26:36,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 23:26:36,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 23:26:36,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 23:26:36,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 23:26:36,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 23:26:36,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 23:26:36,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 23:26:36,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 23:26:36,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 23:26:36,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 23:26:36,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 23:26:36,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 23:26:36,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 23:26:36,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 23:26:36,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 23:26:36,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 23:26:36,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 23:26:36,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 23:26:36,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 23:26:36,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 23:26:36,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-13 23:26:36,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-13 23:26:36,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-13 23:26:36,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-13 23:26:36,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 23:26:36,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 23:26:36,518 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 23:26:36,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 23:26:36,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 23:26:36,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 23:26:36,520 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 23:26:36,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 23:26:36,521 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 23:26:36,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 23:26:36,521 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 23:26:36,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 23:26:36,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 23:26:36,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 23:26:36,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 23:26:36,522 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 23:26:36,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 23:26:36,522 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 23:26:36,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 23:26:36,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 23:26:36,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 23:26:36,523 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 23:26:36,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 23:26:36,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 23:26:36,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 23:26:36,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 23:26:36,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 23:26:36,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 23:26:36,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 23:26:36,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 23:26:36,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-13 23:26:36,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 23:26:36,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 23:26:36,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 23:26:36,804 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 23:26:36,804 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 23:26:36,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/bist_cell.cil.c
[2019-10-13 23:26:36,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddcefde50/1aded3bdbe104b86b375939e345ad68a/FLAG5eee749b2
[2019-10-13 23:26:37,295 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 23:26:37,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/bist_cell.cil.c
[2019-10-13 23:26:37,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddcefde50/1aded3bdbe104b86b375939e345ad68a/FLAG5eee749b2
[2019-10-13 23:26:37,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddcefde50/1aded3bdbe104b86b375939e345ad68a
[2019-10-13 23:26:37,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 23:26:37,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 23:26:37,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 23:26:37,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 23:26:37,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 23:26:37,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:26:37" (1/1) ...
[2019-10-13 23:26:37,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32777701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:37, skipping insertion in model container
[2019-10-13 23:26:37,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:26:37" (1/1) ...
[2019-10-13 23:26:37,707 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 23:26:37,752 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 23:26:38,021 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 23:26:38,029 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 23:26:38,154 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 23:26:38,173 INFO L192 MainTranslator]: Completed translation
[2019-10-13 23:26:38,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38 WrapperNode
[2019-10-13 23:26:38,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 23:26:38,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 23:26:38,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 23:26:38,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 23:26:38,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (1/1) ...
[2019-10-13 23:26:38,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (1/1) ...
[2019-10-13 23:26:38,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (1/1) ...
[2019-10-13 23:26:38,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (1/1) ...
[2019-10-13 23:26:38,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (1/1) ...
[2019-10-13 23:26:38,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (1/1) ...
[2019-10-13 23:26:38,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (1/1) ...
[2019-10-13 23:26:38,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 23:26:38,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 23:26:38,217 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 23:26:38,217 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 23:26:38,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (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
[2019-10-13 23:26:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 23:26:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 23:26:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure error
[2019-10-13 23:26:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure method1
[2019-10-13 23:26:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure is_method1_triggered
[2019-10-13 23:26:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b0
[2019-10-13 23:26:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b1
[2019-10-13 23:26:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d0
[2019-10-13 23:26:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d1
[2019-10-13 23:26:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure update_z
[2019-10-13 23:26:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels
[2019-10-13 23:26:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads
[2019-10-13 23:26:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2019-10-13 23:26:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure eval
[2019-10-13 23:26:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2019-10-13 23:26:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2019-10-13 23:26:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads
[2019-10-13 23:26:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation
[2019-10-13 23:26:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation
[2019-10-13 23:26:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model
[2019-10-13 23:26:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 23:26:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 23:26:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 23:26:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure error
[2019-10-13 23:26:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure method1
[2019-10-13 23:26:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure is_method1_triggered
[2019-10-13 23:26:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure update_b0
[2019-10-13 23:26:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure update_b1
[2019-10-13 23:26:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure update_d0
[2019-10-13 23:26:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure update_d1
[2019-10-13 23:26:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure update_z
[2019-10-13 23:26:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels
[2019-10-13 23:26:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads
[2019-10-13 23:26:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2019-10-13 23:26:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure eval
[2019-10-13 23:26:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events
[2019-10-13 23:26:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events
[2019-10-13 23:26:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads
[2019-10-13 23:26:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation
[2019-10-13 23:26:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation
[2019-10-13 23:26:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure init_model
[2019-10-13 23:26:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 23:26:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 23:26:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 23:26:39,182 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 23:26:39,182 INFO L284 CfgBuilder]: Removed 2 assume(true) statements.
[2019-10-13 23:26:39,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:26:39 BoogieIcfgContainer
[2019-10-13 23:26:39,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 23:26:39,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 23:26:39,185 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 23:26:39,188 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 23:26:39,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:26:37" (1/3) ...
[2019-10-13 23:26:39,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4745b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:26:39, skipping insertion in model container
[2019-10-13 23:26:39,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:26:38" (2/3) ...
[2019-10-13 23:26:39,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4745b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:26:39, skipping insertion in model container
[2019-10-13 23:26:39,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:26:39" (3/3) ...
[2019-10-13 23:26:39,193 INFO L109 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c
[2019-10-13 23:26:39,203 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 23:26:39,212 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 23:26:39,223 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 23:26:39,249 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 23:26:39,249 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 23:26:39,250 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 23:26:39,250 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 23:26:39,251 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 23:26:39,251 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 23:26:39,251 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 23:26:39,252 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 23:26:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states.
[2019-10-13 23:26:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2019-10-13 23:26:39,281 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:26:39,282 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:26:39,284 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:26:39,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:26:39,290 INFO L82 PathProgramCache]: Analyzing trace with hash -889315788, now seen corresponding path program 1 times
[2019-10-13 23:26:39,302 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:26:39,302 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922467001]
[2019-10-13 23:26:39,303 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:26:39,303 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:26:39,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:26:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:26:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:26:39,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922467001]
[2019-10-13 23:26:39,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:26:39,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-10-13 23:26:39,609 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117977252]
[2019-10-13 23:26:39,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 23:26:39,614 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:26:39,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 23:26:39,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 23:26:39,630 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states.
[2019-10-13 23:26:39,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:26:39,665 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions.
[2019-10-13 23:26:39,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 23:26:39,667 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 40
[2019-10-13 23:26:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:26:39,679 INFO L225 Difference]: With dead ends: 160
[2019-10-13 23:26:39,679 INFO L226 Difference]: Without dead ends: 84
[2019-10-13 23:26:39,683 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 23:26:39,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2019-10-13 23:26:39,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2019-10-13 23:26:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states.
[2019-10-13 23:26:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 97 transitions.
[2019-10-13 23:26:39,751 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 97 transitions. Word has length 40
[2019-10-13 23:26:39,753 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:26:39,753 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 97 transitions.
[2019-10-13 23:26:39,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 23:26:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions.
[2019-10-13 23:26:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2019-10-13 23:26:39,764 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:26:39,765 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:26:39,765 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:26:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:26:39,765 INFO L82 PathProgramCache]: Analyzing trace with hash 68965705, now seen corresponding path program 1 times
[2019-10-13 23:26:39,766 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:26:39,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581956682]
[2019-10-13 23:26:39,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:26:39,767 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:26:39,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:26:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:26:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2019-10-13 23:26:40,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581956682]
[2019-10-13 23:26:40,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027109924]
[2019-10-13 23:26:40,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 23:26:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:26:40,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 11 conjunts are in the unsatisfiable core
[2019-10-13 23:26:40,348 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 23:26:40,447 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2019-10-13 23:26:40,448 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 23:26:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2019-10-13 23:26:40,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1555873924]
[2019-10-13 23:26:40,723 INFO L162 IcfgInterpreter]: Started Sifa with 64 locations of interest
[2019-10-13 23:26:40,723 INFO L169 IcfgInterpreter]: Building call graph
[2019-10-13 23:26:40,730 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-10-13 23:26:40,737 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-10-13 23:26:40,738 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-10-13 23:26:41,226 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 67 for LOIs
[2019-10-13 23:26:41,288 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs
[2019-10-13 23:26:42,946 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 23:26:42,947 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:122)
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:316)
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)
Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε
at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135)
at java.lang.Iterable.forEach(Iterable.java:75)
at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104)
at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78)
at java.util.HashMap.computeIfAbsent(HashMap.java:1127)
at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104)
at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78)
at java.util.HashMap.computeIfAbsent(HashMap.java:1127)
at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166)
at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130)
at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139)
at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.<init>(SifaRunner.java:102)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67)
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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299)
... 21 more
[2019-10-13 23:26:42,960 INFO L168 Benchmark]: Toolchain (without parser) took 5266.04 ms. Allocated memory was 138.4 MB in the beginning and 339.7 MB in the end (delta: 201.3 MB). Free memory was 103.2 MB in the beginning and 304.0 MB in the end (delta: -200.7 MB). Peak memory consumption was 582.8 kB. Max. memory is 7.1 GB.
[2019-10-13 23:26:42,961 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-13 23:26:42,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.51 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 178.2 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB.
[2019-10-13 23:26:42,965 INFO L168 Benchmark]: Boogie Preprocessor took 41.50 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 176.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2019-10-13 23:26:42,968 INFO L168 Benchmark]: RCFGBuilder took 967.35 ms. Allocated memory is still 201.3 MB. Free memory was 176.1 MB in the beginning and 104.2 MB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB.
[2019-10-13 23:26:42,969 INFO L168 Benchmark]: TraceAbstraction took 3769.97 ms. Allocated memory was 201.3 MB in the beginning and 339.7 MB in the end (delta: 138.4 MB). Free memory was 104.2 MB in the beginning and 304.0 MB in the end (delta: -199.8 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-10-13 23:26:42,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 482.51 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 178.2 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 41.50 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 176.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 967.35 ms. Allocated memory is still 201.3 MB. Free memory was 176.1 MB in the beginning and 104.2 MB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3769.97 ms. Allocated memory was 201.3 MB in the beginning and 339.7 MB in the end (delta: 138.4 MB). Free memory was 104.2 MB in the beginning and 304.0 MB in the end (delta: -199.8 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...