java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_02_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 11:45:14,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 11:45:14,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 11:45:14,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 11:45:14,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 11:45:14,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 11:45:14,801 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 11:45:14,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 11:45:14,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 11:45:14,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 11:45:14,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 11:45:14,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 11:45:14,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 11:45:14,809 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 11:45:14,810 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 11:45:14,811 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 11:45:14,811 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 11:45:14,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 11:45:14,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 11:45:14,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 11:45:14,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 11:45:14,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 11:45:14,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 11:45:14,832 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 11:45:14,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 11:45:14,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 11:45:14,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 11:45:14,848 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 11:45:14,849 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 11:45:14,849 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 11:45:14,849 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 11:45:14,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 11:45:14,850 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 11:45:14,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 11:45:14,850 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 11:45:14,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 11:45:14,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 11:45:14,851 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 11:45:14,851 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 11:45:14,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 11:45:14,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 11:45:14,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 11:45:14,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 11:45:14,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:45:14,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 11:45:14,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 11:45:14,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 11:45:14,853 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 11:45:14,853 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 11:45:14,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 11:45:14,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 11:45:14,854 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 11:45:14,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 11:45:14,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 11:45:14,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 11:45:14,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 11:45:14,915 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 11:45:14,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/terminator_02_false-unreach-call_true-termination.i [2018-10-24 11:45:14,976 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6f3a702a1/e058ddb22fa546dcb09d1dae89896ca6/FLAG2545e5d24 [2018-10-24 11:45:15,484 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 11:45:15,485 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02_false-unreach-call_true-termination.i [2018-10-24 11:45:15,493 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6f3a702a1/e058ddb22fa546dcb09d1dae89896ca6/FLAG2545e5d24 [2018-10-24 11:45:15,515 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6f3a702a1/e058ddb22fa546dcb09d1dae89896ca6 [2018-10-24 11:45:15,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 11:45:15,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 11:45:15,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 11:45:15,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 11:45:15,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 11:45:15,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f0afa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15, skipping insertion in model container [2018-10-24 11:45:15,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 11:45:15,569 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 11:45:15,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:45:15,732 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 11:45:15,750 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:45:15,766 INFO L193 MainTranslator]: Completed translation [2018-10-24 11:45:15,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15 WrapperNode [2018-10-24 11:45:15,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 11:45:15,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 11:45:15,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 11:45:15,768 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 11:45:15,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 11:45:15,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 11:45:15,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 11:45:15,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 11:45:15,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... [2018-10-24 11:45:15,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 11:45:15,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 11:45:15,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 11:45:15,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 11:45:15,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 11:45:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 11:45:15,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 11:45:16,155 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 11:45:16,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:45:16 BoogieIcfgContainer [2018-10-24 11:45:16,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 11:45:16,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 11:45:16,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 11:45:16,160 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 11:45:16,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:45:15" (1/3) ... [2018-10-24 11:45:16,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413fc8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:45:16, skipping insertion in model container [2018-10-24 11:45:16,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:15" (2/3) ... [2018-10-24 11:45:16,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413fc8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:45:16, skipping insertion in model container [2018-10-24 11:45:16,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:45:16" (3/3) ... [2018-10-24 11:45:16,164 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02_false-unreach-call_true-termination.i [2018-10-24 11:45:16,175 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 11:45:16,184 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 11:45:16,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 11:45:16,270 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 11:45:16,271 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 11:45:16,271 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 11:45:16,271 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 11:45:16,271 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 11:45:16,272 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 11:45:16,272 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 11:45:16,272 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 11:45:16,273 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 11:45:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-10-24 11:45:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-24 11:45:16,300 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:16,301 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-24 11:45:16,304 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:16,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:16,311 INFO L82 PathProgramCache]: Analyzing trace with hash 889968487, now seen corresponding path program 1 times [2018-10-24 11:45:16,313 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:16,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:16,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:16,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:16,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:16,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:45:16,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 11:45:16,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-24 11:45:16,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-24 11:45:16,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:45:16,467 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2018-10-24 11:45:16,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:16,485 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2018-10-24 11:45:16,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 11:45:16,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-10-24 11:45:16,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:16,496 INFO L225 Difference]: With dead ends: 21 [2018-10-24 11:45:16,496 INFO L226 Difference]: Without dead ends: 9 [2018-10-24 11:45:16,500 INFO L605 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 [2018-10-24 11:45:16,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-10-24 11:45:16,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-10-24 11:45:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-10-24 11:45:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-10-24 11:45:16,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-10-24 11:45:16,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:16,533 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-10-24 11:45:16,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-24 11:45:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-24 11:45:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-24 11:45:16,534 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:16,534 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:45:16,534 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:16,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:16,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1805929617, now seen corresponding path program 1 times [2018-10-24 11:45:16,535 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:16,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:16,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:16,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:16,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-24 11:45:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-24 11:45:16,572 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-24 11:45:16,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:45:16 BoogieIcfgContainer [2018-10-24 11:45:16,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 11:45:16,594 INFO L168 Benchmark]: Toolchain (without parser) took 1066.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -772.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:45:16,596 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-10-24 11:45:16,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.95 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. [2018-10-24 11:45:16,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.05 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. [2018-10-24 11:45:16,599 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 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. [2018-10-24 11:45:16,599 INFO L168 Benchmark]: RCFGBuilder took 331.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-24 11:45:16,601 INFO L168 Benchmark]: TraceAbstraction took 435.82 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2018-10-24 11:45:16,606 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 237.95 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 36.05 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 20.62 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 331.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 435.82 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int x=__VERIFIER_nondet_int(); [L15] int y=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L18] COND FALSE !(x<100 && 100