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/eca-rers2012/Problem17_label17_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:25:39,999 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:25:40,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:25:40,020 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:25:40,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:25:40,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:25:40,023 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:25:40,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:25:40,030 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:25:40,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:25:40,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:25:40,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:25:40,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:25:40,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:25:40,045 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:25:40,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:25:40,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:25:40,053 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:25:40,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:25:40,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:25:40,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:25:40,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:25:40,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:25:40,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:25:40,068 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:25:40,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:25:40,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:25:40,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:25:40,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:25:40,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:25:40,076 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:25:40,077 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:25:40,077 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:25:40,077 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:25:40,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:25:40,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:25:40,082 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 12:25:40,110 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:25:40,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:25:40,111 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:25:40,111 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:25:40,115 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:25:40,115 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:25:40,115 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:25:40,115 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:25:40,116 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:25:40,116 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:25:40,116 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:25:40,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:25:40,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:25:40,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:25:40,118 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:25:40,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:25:40,120 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:25:40,120 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:25:40,120 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:25:40,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:25:40,121 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:25:40,121 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:25:40,121 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:25:40,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:25:40,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:25:40,122 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:25:40,122 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:25:40,122 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:25:40,122 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:25:40,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:25:40,123 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:25:40,123 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:25:40,123 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:25:40,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:25:40,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:25:40,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:25:40,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:25:40,194 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:25:40,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label17_true-unreach-call.c [2018-09-10 12:25:40,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edbc47c53/11440e80bb6540759cb20179da8f9a3d/FLAG3b9f7c2cd [2018-09-10 12:25:40,916 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:25:40,917 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label17_true-unreach-call.c [2018-09-10 12:25:40,948 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edbc47c53/11440e80bb6540759cb20179da8f9a3d/FLAG3b9f7c2cd [2018-09-10 12:25:40,968 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edbc47c53/11440e80bb6540759cb20179da8f9a3d [2018-09-10 12:25:40,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:25:40,985 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:25:40,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:25:40,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:25:40,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:25:40,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:25:40" (1/1) ... [2018-09-10 12:25:40,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b04aec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:40, skipping insertion in model container [2018-09-10 12:25:40,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:25:40" (1/1) ... [2018-09-10 12:25:41,347 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:25:42,211 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:25:42,231 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:25:42,733 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:25:42,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42 WrapperNode [2018-09-10 12:25:42,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:25:42,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:25:42,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:25:42,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:25:42,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:25:43,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:25:43,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:25:43,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:25:43,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:43,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (1/1) ... [2018-09-10 12:25:44,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:25:44,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:25:44,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:25:44,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:25:44,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (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 12:25:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:25:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 12:25:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 12:25:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:25:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:25:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:25:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-10 12:25:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-10 12:25:54,593 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:25:54,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:25:54 BoogieIcfgContainer [2018-09-10 12:25:54,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:25:54,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:25:54,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:25:54,599 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:25:54,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:25:40" (1/3) ... [2018-09-10 12:25:54,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69111ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:25:54, skipping insertion in model container [2018-09-10 12:25:54,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:25:42" (2/3) ... [2018-09-10 12:25:54,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69111ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:25:54, skipping insertion in model container [2018-09-10 12:25:54,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:25:54" (3/3) ... [2018-09-10 12:25:54,603 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label17_true-unreach-call.c [2018-09-10 12:25:54,613 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:25:54,622 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:25:54,690 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:25:54,691 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:25:54,691 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:25:54,691 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:25:54,693 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:25:54,693 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:25:54,693 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:25:54,693 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:25:54,693 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:25:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-09-10 12:25:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-10 12:25:54,747 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:25:54,748 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:25:54,749 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:25:54,755 INFO L82 PathProgramCache]: Analyzing trace with hash 455710569, now seen corresponding path program 1 times [2018-09-10 12:25:54,758 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:25:54,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:25:54,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:25:54,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:25:54,812 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:25:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:25:55,278 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 12:25:55,281 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:25:55,282 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:25:55,282 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:25:55,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:25:55,301 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:25:55,302 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:25:55,304 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-09-10 12:26:06,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:26:06,246 INFO L93 Difference]: Finished difference Result 2133 states and 3959 transitions. [2018-09-10 12:26:06,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:26:06,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-09-10 12:26:06,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:26:06,282 INFO L225 Difference]: With dead ends: 2133 [2018-09-10 12:26:06,283 INFO L226 Difference]: Without dead ends: 1523 [2018-09-10 12:26:06,295 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:26:06,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2018-09-10 12:26:06,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1516. [2018-09-10 12:26:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2018-09-10 12:26:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2287 transitions. [2018-09-10 12:26:06,440 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2287 transitions. Word has length 45 [2018-09-10 12:26:06,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:26:06,440 INFO L480 AbstractCegarLoop]: Abstraction has 1516 states and 2287 transitions. [2018-09-10 12:26:06,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 12:26:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2287 transitions. [2018-09-10 12:26:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-10 12:26:06,447 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:26:06,448 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:26:06,448 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:26:06,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1131469433, now seen corresponding path program 1 times [2018-09-10 12:26:06,449 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:26:06,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:26:06,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:26:06,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:26:06,450 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:26:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:26:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:26:06,940 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:26:06,940 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:26:06,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:26:06,957 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:26:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:26:07,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:26:13,589 WARN L175 SmtUtils]: Spent 6.15 s on a formula simplification that was a NOOP. DAG size: 42 [2018-09-10 12:26:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:26:13,780 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:26:14,054 WARN L175 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-10 12:26:17,331 WARN L175 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-09-10 12:26:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:26:17,803 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:26:17,803 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-09-10 12:26:17,803 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:26:17,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:26:17,806 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:26:17,806 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=110, Unknown=1, NotChecked=0, Total=156 [2018-09-10 12:26:17,807 INFO L87 Difference]: Start difference. First operand 1516 states and 2287 transitions. Second operand 6 states. Received shutdown request... [2018-09-10 12:30:11,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-10 12:30:11,138 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 12:30:11,143 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 12:30:11,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:30:11 BoogieIcfgContainer [2018-09-10 12:30:11,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:30:11,144 INFO L168 Benchmark]: Toolchain (without parser) took 270162.79 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -873.6 MB). Peak memory consumption was 295.6 MB. Max. memory is 7.1 GB. [2018-09-10 12:30:11,145 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 12:30:11,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1983.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 182.3 MB). Peak memory consumption was 182.3 MB. Max. memory is 7.1 GB. [2018-09-10 12:30:11,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 261.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-10 12:30:11,148 INFO L168 Benchmark]: Boogie Preprocessor took 821.91 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 940.0 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.7 MB. Max. memory is 7.1 GB. [2018-09-10 12:30:11,149 INFO L168 Benchmark]: RCFGBuilder took 10540.25 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 487.6 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. [2018-09-10 12:30:11,150 INFO L168 Benchmark]: TraceAbstraction took 256548.01 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 229.1 MB). Free memory was 1.9 GB in the beginning and 2.3 GB in the end (delta: -446.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 12:30:11,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1983.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 182.3 MB). Peak memory consumption was 182.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 261.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 821.91 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 940.0 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10540.25 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 487.6 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256548.01 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 229.1 MB). Free memory was 1.9 GB in the beginning and 2.3 GB in the end (delta: -446.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 122). Cancelled while BasicCegarLoop was constructing difference of abstraction (1516states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (2173 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 256.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 244.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 650 SDtfs, 2150 SDslu, 472 SDs, 0 SdLazy, 4601 SolverSat, 1140 SolverUnsat, 109 SolverUnknown, 0 SolverNotchecked, 239.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255 GetRequests, 239 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1516occurred in iteration=1, 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 401 ConstructedInterpolants, 80 QuantifiedInterpolants, 437721 SizeOfPredicates, 3 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 42/114 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label17_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-30-11-169.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label17_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-30-11-169.csv Completed graceful shutdown