java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/while_infinite_loop_3_true-unreach-call_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 10:09:06,965 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 10:09:06,967 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 10:09:06,986 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 10:09:06,986 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 10:09:06,987 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 10:09:06,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 10:09:06,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 10:09:06,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 10:09:06,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 10:09:06,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 10:09:06,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 10:09:06,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 10:09:06,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 10:09:06,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 10:09:06,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 10:09:07,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 10:09:07,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 10:09:07,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 10:09:07,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 10:09:07,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 10:09:07,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 10:09:07,012 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 10:09:07,012 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 10:09:07,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 10:09:07,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 10:09:07,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 10:09:07,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 10:09:07,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 10:09:07,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 10:09:07,025 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 10:09:07,026 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 10:09:07,026 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 10:09:07,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 10:09:07,027 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 10:09:07,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 10:09:07,028 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 [2018-09-10 10:09:07,043 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 10:09:07,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 10:09:07,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 10:09:07,045 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 10:09:07,045 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 10:09:07,045 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 10:09:07,046 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 10:09:07,046 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 10:09:07,046 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 10:09:07,046 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 10:09:07,046 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 10:09:07,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 10:09:07,047 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 10:09:07,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 10:09:07,048 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 10:09:07,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 10:09:07,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 10:09:07,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 10:09:07,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 10:09:07,049 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 10:09:07,049 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 10:09:07,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 10:09:07,049 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 10:09:07,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 10:09:07,050 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 10:09:07,050 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 10:09:07,050 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 10:09:07,050 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 10:09:07,050 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 10:09:07,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 10:09:07,051 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 10:09:07,051 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 10:09:07,051 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 10:09:07,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 10:09:07,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 10:09:07,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 10:09:07,138 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 10:09:07,139 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 10:09:07,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_3_true-unreach-call_false-termination.i [2018-09-10 10:09:07,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0312ff4e/b54d80e2e17440f2b092af34b393c39c/FLAG0cb0bcaa3 [2018-09-10 10:09:07,679 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 10:09:07,680 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_3_true-unreach-call_false-termination.i [2018-09-10 10:09:07,691 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0312ff4e/b54d80e2e17440f2b092af34b393c39c/FLAG0cb0bcaa3 [2018-09-10 10:09:07,717 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0312ff4e/b54d80e2e17440f2b092af34b393c39c [2018-09-10 10:09:07,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 10:09:07,736 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 10:09:07,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 10:09:07,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 10:09:07,748 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 10:09:07,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:09:07" (1/1) ... [2018-09-10 10:09:07,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db5c5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:07, skipping insertion in model container [2018-09-10 10:09:07,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:09:07" (1/1) ... [2018-09-10 10:09:07,940 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 10:09:07,983 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:09:08,007 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 10:09:08,012 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:09:08,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08 WrapperNode [2018-09-10 10:09:08,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 10:09:08,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 10:09:08,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 10:09:08,029 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 10:09:08,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 10:09:08,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 10:09:08,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 10:09:08,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 10:09:08,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (1/1) ... [2018-09-10 10:09:08,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 10:09:08,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 10:09:08,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 10:09:08,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 10:09:08,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (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 [2018-09-10 10:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__eval [2018-09-10 10:09:08,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__eval [2018-09-10 10:09:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 10:09:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 10:09:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assert [2018-09-10 10:09:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assert [2018-09-10 10:09:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 10:09:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 10:09:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 10:09:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 10:09:08,462 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 10:09:08,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:09:08 BoogieIcfgContainer [2018-09-10 10:09:08,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 10:09:08,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 10:09:08,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 10:09:08,470 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 10:09:08,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:09:07" (1/3) ... [2018-09-10 10:09:08,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac7f4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:09:08, skipping insertion in model container [2018-09-10 10:09:08,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:08" (2/3) ... [2018-09-10 10:09:08,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac7f4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:09:08, skipping insertion in model container [2018-09-10 10:09:08,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:09:08" (3/3) ... [2018-09-10 10:09:08,477 INFO L112 eAbstractionObserver]: Analyzing ICFG while_infinite_loop_3_true-unreach-call_false-termination.i [2018-09-10 10:09:08,511 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 10:09:08,534 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 10:09:08,600 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 10:09:08,601 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 10:09:08,601 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 10:09:08,601 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 10:09:08,602 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 10:09:08,602 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 10:09:08,602 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 10:09:08,602 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 10:09:08,602 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 10:09:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-09-10 10:09:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-10 10:09:08,642 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:09:08,643 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:09:08,645 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:09:08,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1167513963, now seen corresponding path program 1 times [2018-09-10 10:09:08,654 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:09:08,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:08,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:08,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:08,705 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:09:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:08,773 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:09:08,773 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-10 10:09:08,773 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:09:08,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-10 10:09:08,789 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-10 10:09:08,790 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-10 10:09:08,792 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-09-10 10:09:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:09:08,817 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2018-09-10 10:09:08,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-10 10:09:08,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-09-10 10:09:08,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:09:08,829 INFO L225 Difference]: With dead ends: 39 [2018-09-10 10:09:08,829 INFO L226 Difference]: Without dead ends: 19 [2018-09-10 10:09:08,833 INFO L604 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 [2018-09-10 10:09:08,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-09-10 10:09:08,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-09-10 10:09:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-09-10 10:09:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-09-10 10:09:08,875 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2018-09-10 10:09:08,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:09:08,876 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-09-10 10:09:08,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-10 10:09:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-09-10 10:09:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-10 10:09:08,877 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:09:08,877 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:09:08,878 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:09:08,878 INFO L82 PathProgramCache]: Analyzing trace with hash -662441881, now seen corresponding path program 1 times [2018-09-10 10:09:08,878 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:09:08,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:08,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:08,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:08,880 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:09:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:09,009 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:09:09,011 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 10:09:09,011 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:09:09,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:09:09,013 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:09:09,013 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 10:09:09,014 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 5 states. [2018-09-10 10:09:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:09:09,160 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-09-10 10:09:09,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-10 10:09:09,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-09-10 10:09:09,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:09:09,161 INFO L225 Difference]: With dead ends: 19 [2018-09-10 10:09:09,161 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 10:09:09,163 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-10 10:09:09,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 10:09:09,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 10:09:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 10:09:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 10:09:09,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-09-10 10:09:09,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:09:09,165 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 10:09:09,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:09:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 10:09:09,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 10:09:09,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 10:09:09,298 INFO L426 ceAbstractionStarter]: For program point L14(lines 14 17) no Hoare annotation was computed. [2018-09-10 10:09:09,298 INFO L426 ceAbstractionStarter]: For program point L14-2(lines 12 19) no Hoare annotation was computed. [2018-09-10 10:09:09,298 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__evalEXIT(lines 12 19) no Hoare annotation was computed. [2018-09-10 10:09:09,299 INFO L422 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__evalENTRY(lines 12 19) the Hoare annotation is: (or (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0 0) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0)| 0))) [2018-09-10 10:09:09,299 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-10 10:09:09,299 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-10 10:09:09,299 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:09:09,299 INFO L429 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-10 10:09:09,300 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-10 10:09:09,300 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-10 10:09:09,300 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-10 10:09:09,300 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-10 10:09:09,300 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-10 10:09:09,301 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:09:09,301 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0 0) [2018-09-10 10:09:09,301 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-10 10:09:09,302 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-10 10:09:09,302 INFO L426 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-09-10 10:09:09,302 INFO L422 ceAbstractionStarter]: At program point L27(lines 22 33) the Hoare annotation is: (or (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0 0) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0)| 0))) [2018-09-10 10:09:09,302 INFO L422 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0 0) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0)| 0))) [2018-09-10 10:09:09,302 INFO L422 ceAbstractionStarter]: At program point L26-1(line 26) the Hoare annotation is: (or (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0 0) (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0)| 0))) [2018-09-10 10:09:09,303 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 22 33) no Hoare annotation was computed. [2018-09-10 10:09:09,303 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-09-10 10:09:09,303 INFO L422 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: (not (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_while_infinite_loop___true_unreach_call_false_termination_i__x~0)| 0)) [2018-09-10 10:09:09,303 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 22 33) no Hoare annotation was computed. [2018-09-10 10:09:09,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:09:09 BoogieIcfgContainer [2018-09-10 10:09:09,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 10:09:09,308 INFO L168 Benchmark]: Toolchain (without parser) took 1574.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 10:09:09,310 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-09-10 10:09:09,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.71 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. [2018-09-10 10:09:09,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.58 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. [2018-09-10 10:09:09,312 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 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. [2018-09-10 10:09:09,313 INFO L168 Benchmark]: RCFGBuilder took 379.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2018-09-10 10:09:09,314 INFO L168 Benchmark]: TraceAbstraction took 843.49 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2018-09-10 10:09:09,319 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 287.71 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 26.58 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 27.00 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 379.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 843.49 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 16 SDslu, 26 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 42 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/while_infinite_loop_3_true-unreach-call_false-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_10-09-09-332.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/while_infinite_loop_3_true-unreach-call_false-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_10-09-09-332.csv Received shutdown request...