java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/trex02_false-unreach-call_true-termination.i
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This is Ultimate 0.1.23-dd2f093
[2018-07-24 10:44:06,534 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-07-24 10:44:06,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-07-24 10:44:06,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-07-24 10:44:06,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-07-24 10:44:06,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-07-24 10:44:06,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-07-24 10:44:06,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
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[2018-07-24 10:44:06,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-07-24 10:44:06,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-07-24 10:44:06,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-07-24 10:44:06,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-07-24 10:44:06,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-07-24 10:44:06,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-07-24 10:44:06,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-07-24 10:44:06,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-07-24 10:44:06,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-07-24 10:44:06,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-07-24 10:44:06,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-07-24 10:44:06,579 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-07-24 10:44:06,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-07-24 10:44:06,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-07-24 10:44:06,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-07-24 10:44:06,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-07-24 10:44:06,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-07-24 10:44:06,589 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-07-24 10:44:06,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-07-24 10:44:06,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-07-24 10:44:06,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-07-24 10:44:06,593 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2018-07-24 10:44:06,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values
[2018-07-24 10:44:06,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-07-24 10:44:06,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-07-24 10:44:06,596 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf
[2018-07-24 10:44:06,626 INFO L110 SettingsManager]: Loading preferences was successful
[2018-07-24 10:44:06,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-07-24 10:44:06,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-07-24 10:44:06,629 INFO L133 SettingsManager]: * User list type=DISABLED
[2018-07-24 10:44:06,629 INFO L133 SettingsManager]: * calls to implemented procedures=false
[2018-07-24 10:44:06,629 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-07-24 10:44:06,629 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-07-24 10:44:06,629 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain
[2018-07-24 10:44:06,630 INFO L133 SettingsManager]: * Log string format=TERM
[2018-07-24 10:44:06,630 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2018-07-24 10:44:06,630 INFO L133 SettingsManager]: * Interval Domain=false
[2018-07-24 10:44:06,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-07-24 10:44:06,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-07-24 10:44:06,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-07-24 10:44:06,635 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2018-07-24 10:44:06,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-07-24 10:44:06,636 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2018-07-24 10:44:06,636 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2018-07-24 10:44:06,636 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2018-07-24 10:44:06,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-07-24 10:44:06,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-07-24 10:44:06,637 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-07-24 10:44:06,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-07-24 10:44:06,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-07-24 10:44:06,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-07-24 10:44:06,639 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-07-24 10:44:06,639 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-07-24 10:44:06,639 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN
[2018-07-24 10:44:06,639 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-07-24 10:44:06,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-07-24 10:44:06,639 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-07-24 10:44:06,640 INFO L133 SettingsManager]: * To the following directory=dump/
[2018-07-24 10:44:06,640 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2018-07-24 10:44:06,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-07-24 10:44:06,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-07-24 10:44:06,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-07-24 10:44:06,707 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-07-24 10:44:06,707 INFO L276 PluginConnector]: CDTParser initialized
[2018-07-24 10:44:06,708 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex02_false-unreach-call_true-termination.i
[2018-07-24 10:44:07,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f3c25ca/e821eb038e784e8e853c35cc97e216f1/FLAG7a7800f1f
[2018-07-24 10:44:07,264 INFO L276 CDTParser]: Found 1 translation units.
[2018-07-24 10:44:07,265 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex02_false-unreach-call_true-termination.i
[2018-07-24 10:44:07,273 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f3c25ca/e821eb038e784e8e853c35cc97e216f1/FLAG7a7800f1f
[2018-07-24 10:44:07,290 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f3c25ca/e821eb038e784e8e853c35cc97e216f1
[2018-07-24 10:44:07,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-07-24 10:44:07,305 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2018-07-24 10:44:07,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-07-24 10:44:07,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-07-24 10:44:07,313 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-07-24 10:44:07,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8186829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07, skipping insertion in model container
[2018-07-24 10:44:07,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,471 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode
[2018-07-24 10:44:07,507 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-07-24 10:44:07,524 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode
[2018-07-24 10:44:07,529 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-07-24 10:44:07,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07 WrapperNode
[2018-07-24 10:44:07,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-07-24 10:44:07,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-07-24 10:44:07,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-07-24 10:44:07,544 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-07-24 10:44:07,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-07-24 10:44:07,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-07-24 10:44:07,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-07-24 10:44:07,569 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-07-24 10:44:07,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (1/1) ...
[2018-07-24 10:44:07,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-07-24 10:44:07,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-07-24 10:44:07,592 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-07-24 10:44:07,592 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-07-24 10:44:07,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (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
[2018-07-24 10:44:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-07-24 10:44:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-07-24 10:44:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-07-24 10:44:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-07-24 10:44:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2018-07-24 10:44:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2018-07-24 10:44:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i____VERIFIER_assert
[2018-07-24 10:44:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i____VERIFIER_assert
[2018-07-24 10:44:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i__foo
[2018-07-24 10:44:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i__foo
[2018-07-24 10:44:08,087 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-07-24 10:44:08,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:44:08 BoogieIcfgContainer
[2018-07-24 10:44:08,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-07-24 10:44:08,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-07-24 10:44:08,090 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-07-24 10:44:08,093 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-07-24 10:44:08,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 10:44:07" (1/3) ...
[2018-07-24 10:44:08,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4652c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:44:08, skipping insertion in model container
[2018-07-24 10:44:08,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:07" (2/3) ...
[2018-07-24 10:44:08,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4652c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:44:08, skipping insertion in model container
[2018-07-24 10:44:08,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:44:08" (3/3) ...
[2018-07-24 10:44:08,097 INFO L112 eAbstractionObserver]: Analyzing ICFG trex02_false-unreach-call_true-termination.i
[2018-07-24 10:44:08,108 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-07-24 10:44:08,118 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-07-24 10:44:08,207 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-07-24 10:44:08,207 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2018-07-24 10:44:08,208 INFO L374 AbstractCegarLoop]: Hoare is true
[2018-07-24 10:44:08,208 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-07-24 10:44:08,208 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-07-24 10:44:08,208 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-07-24 10:44:08,210 INFO L378 AbstractCegarLoop]: Difference is false
[2018-07-24 10:44:08,211 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-07-24 10:44:08,211 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-07-24 10:44:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states.
[2018-07-24 10:44:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-07-24 10:44:08,248 INFO L345 BasicCegarLoop]: Found error trace
[2018-07-24 10:44:08,250 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-07-24 10:44:08,250 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]===
[2018-07-24 10:44:08,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1646275892, now seen corresponding path program 1 times
[2018-07-24 10:44:08,260 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy
[2018-07-24 10:44:08,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-24 10:44:08,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-24 10:44:08,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-24 10:44:08,317 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-24 10:44:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-07-24 10:44:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-07-24 10:44:08,386 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-07-24 10:44:08,386 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-07-24 10:44:08,386 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence
[2018-07-24 10:44:08,391 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-07-24 10:44:08,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-07-24 10:44:08,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-07-24 10:44:08,408 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states.
[2018-07-24 10:44:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-07-24 10:44:08,429 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions.
[2018-07-24 10:44:08,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-07-24 10:44:08,432 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11
[2018-07-24 10:44:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-07-24 10:44:08,445 INFO L225 Difference]: With dead ends: 36
[2018-07-24 10:44:08,445 INFO L226 Difference]: Without dead ends: 19
[2018-07-24 10:44:08,449 INFO L573 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
[2018-07-24 10:44:08,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2018-07-24 10:44:08,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2018-07-24 10:44:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states.
[2018-07-24 10:44:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2018-07-24 10:44:08,506 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 11
[2018-07-24 10:44:08,507 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-07-24 10:44:08,507 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2018-07-24 10:44:08,507 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-07-24 10:44:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2018-07-24 10:44:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2018-07-24 10:44:08,508 INFO L345 BasicCegarLoop]: Found error trace
[2018-07-24 10:44:08,508 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-07-24 10:44:08,508 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]===
[2018-07-24 10:44:08,509 INFO L82 PathProgramCache]: Analyzing trace with hash 13440907, now seen corresponding path program 1 times
[2018-07-24 10:44:08,509 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy
[2018-07-24 10:44:08,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-24 10:44:08,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-07-24 10:44:08,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-07-24 10:44:08,511 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)
[2018-07-24 10:44:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-07-24 10:44:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-07-24 10:44:08,568 INFO L419 BasicCegarLoop]: Counterexample might be feasible
[2018-07-24 10:44:08,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 10:44:08 BoogieIcfgContainer
[2018-07-24 10:44:08,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-07-24 10:44:08,599 INFO L168 Benchmark]: Toolchain (without parser) took 1294.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.5 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2018-07-24 10:44:08,602 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-07-24 10:44:08,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB.
[2018-07-24 10:44:08,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-07-24 10:44:08,607 INFO L168 Benchmark]: Boogie Preprocessor took 22.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-07-24 10:44:08,607 INFO L168 Benchmark]: RCFGBuilder took 496.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB.
[2018-07-24 10:44:08,608 INFO L168 Benchmark]: TraceAbstraction took 507.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB.
[2018-07-24 10:44:08,613 INFO L336 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 237.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 24.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
* Boogie Preprocessor took 22.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
* RCFGBuilder took 496.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 507.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L10] int x;
VAL [\old(x)=2, x=0]
[L15] x=__VERIFIER_nondet_int()
[L16] COND FALSE !(x > 0)
VAL [\old(x)=0, x=-1]
[L21] CALL __VERIFIER_assert(x==0)
VAL [\old(cond)=0, \old(x)=0, x=-1]
[L3] COND TRUE !(cond)
VAL [\old(cond)=0, \old(x)=0, cond=0, x=-1]
[L4] __VERIFIER_error()
VAL [\old(cond)=0, \old(x)=0, cond=0, x=-1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/trex02_false-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_10-44-08-630.csv
Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/trex02_false-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_10-44-08-630.csv
Received shutdown request...