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/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 10:53:16,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 10:53:16,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 10:53:16,547 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 10:53:16,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 10:53:16,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 10:53:16,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 10:53:16,551 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 10:53:16,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 10:53:16,554 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 10:53:16,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 10:53:16,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 10:53:16,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 10:53:16,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 10:53:16,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 10:53:16,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 10:53:16,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 10:53:16,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 10:53:16,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 10:53:16,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 10:53:16,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 10:53:16,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 10:53:16,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 10:53:16,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 10:53:16,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 10:53:16,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 10:53:16,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 10:53:16,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 10:53:16,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 10:53:16,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 10:53:16,576 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 10:53:16,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-24 10:53:16,579 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 10:53:16,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 10:53:16,597 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 10:53:16,597 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 10:53:16,598 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 10:53:16,598 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 10:53:16,598 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 10:53:16,598 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 10:53:16,598 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 10:53:16,599 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 10:53:16,599 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 10:53:16,599 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 10:53:16,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 10:53:16,600 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 10:53:16,600 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 10:53:16,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 10:53:16,601 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 10:53:16,601 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 10:53:16,601 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 10:53:16,601 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 10:53:16,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 10:53:16,602 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 10:53:16,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 10:53:16,602 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 10:53:16,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 10:53:16,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 10:53:16,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 10:53:16,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 10:53:16,603 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 10:53:16,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 10:53:16,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 10:53:16,603 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 10:53:16,604 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 10:53:16,604 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 10:53:16,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 10:53:16,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 10:53:16,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 10:53:16,671 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 10:53:16,671 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 10:53:16,672 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i [2018-07-24 10:53:17,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df32dd502/5ed4017fe5f5469880ce86930926ecd0/FLAGd217a8f81 [2018-07-24 10:53:17,212 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 10:53:17,213 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i [2018-07-24 10:53:17,221 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df32dd502/5ed4017fe5f5469880ce86930926ecd0/FLAGd217a8f81 [2018-07-24 10:53:17,237 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df32dd502/5ed4017fe5f5469880ce86930926ecd0 [2018-07-24 10:53:17,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 10:53:17,251 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 10:53:17,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 10:53:17,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 10:53:17,263 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 10:53:17,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d9fee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17, skipping insertion in model container [2018-07-24 10:53:17,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,438 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 10:53:17,481 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:53:17,498 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 10:53:17,504 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:53:17,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17 WrapperNode [2018-07-24 10:53:17,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 10:53:17,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 10:53:17,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 10:53:17,519 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 10:53:17,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 10:53:17,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 10:53:17,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 10:53:17,544 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 10:53:17,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (1/1) ... [2018-07-24 10:53:17,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 10:53:17,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 10:53:17,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 10:53:17,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 10:53:17,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (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 10:53:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 10:53:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 10:53:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 10:53:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 10:53:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 10:53:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 10:53:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_crafted_simple_array_index_value_false_unreach_call__false_termination_i____VERIFIER_assert [2018-07-24 10:53:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_crafted_simple_array_index_value_false_unreach_call__false_termination_i____VERIFIER_assert [2018-07-24 10:53:17,990 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 10:53:17,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:53:17 BoogieIcfgContainer [2018-07-24 10:53:17,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 10:53:17,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 10:53:17,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 10:53:17,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 10:53:17,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 10:53:17" (1/3) ... [2018-07-24 10:53:17,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7659068c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:53:17, skipping insertion in model container [2018-07-24 10:53:17,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:53:17" (2/3) ... [2018-07-24 10:53:17,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7659068c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:53:17, skipping insertion in model container [2018-07-24 10:53:17,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:53:17" (3/3) ... [2018-07-24 10:53:18,001 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_false-unreach-call1_false-termination.i [2018-07-24 10:53:18,013 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 10:53:18,022 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 10:53:18,087 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 10:53:18,088 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 10:53:18,088 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 10:53:18,088 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 10:53:18,088 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 10:53:18,088 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 10:53:18,088 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 10:53:18,089 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 10:53:18,089 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 10:53:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-07-24 10:53:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-24 10:53:18,125 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:53:18,127 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:53:18,127 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_crafted_simple_array_index_value_false_unreach_call__false_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:53:18,133 INFO L82 PathProgramCache]: Analyzing trace with hash -721501374, now seen corresponding path program 1 times [2018-07-24 10:53:18,136 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:53:18,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:18,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:53:18,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:18,185 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:53:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:53:18,251 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 10:53:18,254 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:53:18,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-24 10:53:18,255 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:53:18,259 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-24 10:53:18,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-24 10:53:18,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-24 10:53:18,278 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-07-24 10:53:18,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:53:18,305 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2018-07-24 10:53:18,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-24 10:53:18,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-24 10:53:18,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:53:18,316 INFO L225 Difference]: With dead ends: 30 [2018-07-24 10:53:18,316 INFO L226 Difference]: Without dead ends: 13 [2018-07-24 10:53:18,320 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 10:53:18,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-24 10:53:18,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-24 10:53:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-24 10:53:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-24 10:53:18,363 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-24 10:53:18,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:53:18,363 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-24 10:53:18,363 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-24 10:53:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-24 10:53:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-24 10:53:18,368 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:53:18,368 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:53:18,369 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_crafted_simple_array_index_value_false_unreach_call__false_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:53:18,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1277124232, now seen corresponding path program 1 times [2018-07-24 10:53:18,370 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:53:18,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:18,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:53:18,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:53:18,372 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:53:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-24 10:53:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-24 10:53:18,439 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-07-24 10:53:18,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 10:53:18 BoogieIcfgContainer [2018-07-24 10:53:18,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 10:53:18,465 INFO L168 Benchmark]: Toolchain (without parser) took 1214.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -749.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 10:53:18,467 INFO L168 Benchmark]: CDTParser took 0.26 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 10:53:18,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.03 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 10:53:18,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.72 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 10:53:18,470 INFO L168 Benchmark]: Boogie Preprocessor took 23.86 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 10:53:18,470 INFO L168 Benchmark]: RCFGBuilder took 423.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -781.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-07-24 10:53:18,472 INFO L168 Benchmark]: TraceAbstraction took 471.54 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2018-07-24 10:53:18,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 265.03 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 24.72 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 23.86 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 423.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -781.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 471.54 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] unsigned int array[10000]; [L22] unsigned int index = 0; [L23] unsigned int tmp = 0; VAL [index=0, tmp=0] [L25] COND TRUE 1 [L26] index = __VERIFIER_nondet_uint() [L27] COND TRUE index >= 10000 VAL [index=10000, tmp=0] [L34] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) VAL [\old(cond)=0] [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L12] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 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=19occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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/simple_array_index_value_false-unreach-call1_false-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_10-53-18-490.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_array_index_value_false-unreach-call1_false-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_10-53-18-490.csv Received shutdown request...