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_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:32:21,088 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:32:21,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:32:21,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:32:21,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:32:21,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:32:21,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:32:21,110 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:32:21,111 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:32:21,112 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:32:21,113 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:32:21,114 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:32:21,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:32:21,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:32:21,117 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:32:21,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:32:21,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:32:21,121 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:32:21,123 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:32:21,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:32:21,126 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:32:21,127 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:32:21,130 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:32:21,130 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:32:21,130 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:32:21,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:32:21,133 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:32:21,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:32:21,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:32:21,135 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:32:21,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:32:21,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:32:21,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:32:21,137 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:32:21,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:32:21,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:32:21,142 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 12:32:21,170 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:32:21,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:32:21,172 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:32:21,172 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:32:21,173 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:32:21,173 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:32:21,173 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:32:21,173 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:32:21,173 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:32:21,174 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:32:21,174 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:32:21,175 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:32:21,176 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:32:21,176 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:32:21,176 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:32:21,176 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:32:21,176 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:32:21,177 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:32:21,177 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:32:21,177 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:32:21,179 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:32:21,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:32:21,179 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:32:21,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:32:21,180 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:32:21,180 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:32:21,180 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:32:21,180 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:32:21,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:32:21,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:32:21,181 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:32:21,181 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:32:21,182 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:32:21,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:32:21,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:32:21,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:32:21,268 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:32:21,269 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:32:21,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label59_true-unreach-call.c [2018-09-10 12:32:21,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/300e650a2/3ef264f97f38483f9119b2f4e0e4d63e/FLAG80ed82e29 [2018-09-10 12:32:22,063 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:32:22,065 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label59_true-unreach-call.c [2018-09-10 12:32:22,096 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/300e650a2/3ef264f97f38483f9119b2f4e0e4d63e/FLAG80ed82e29 [2018-09-10 12:32:22,118 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/300e650a2/3ef264f97f38483f9119b2f4e0e4d63e [2018-09-10 12:32:22,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:32:22,137 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:32:22,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:32:22,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:32:22,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:32:22,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:32:22" (1/1) ... [2018-09-10 12:32:22,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38707ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:22, skipping insertion in model container [2018-09-10 12:32:22,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:32:22" (1/1) ... [2018-09-10 12:32:22,501 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:32:23,257 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:32:23,274 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:32:23,689 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:32:23,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23 WrapperNode [2018-09-10 12:32:23,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:32:23,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:32:23,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:32:23,921 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:32:23,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:24,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:24,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:32:24,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:32:24,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:32:24,224 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:32:24,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:24,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:24,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:24,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:24,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:24,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:25,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (1/1) ... [2018-09-10 12:32:25,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:32:25,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:32:25,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:32:25,059 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:32:25,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (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 12:32:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:32:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:32:25,132 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 12:32:25,132 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 12:32:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:32:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:32:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:32:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:32:25,133 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 12:32:25,133 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 12:32:36,648 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:32:36,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:32:36 BoogieIcfgContainer [2018-09-10 12:32:36,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:32:36,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:32:36,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:32:36,654 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:32:36,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:32:22" (1/3) ... [2018-09-10 12:32:36,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246cc078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:32:36, skipping insertion in model container [2018-09-10 12:32:36,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:23" (2/3) ... [2018-09-10 12:32:36,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246cc078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:32:36, skipping insertion in model container [2018-09-10 12:32:36,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:32:36" (3/3) ... [2018-09-10 12:32:36,657 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label59_true-unreach-call.c [2018-09-10 12:32:36,668 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:32:36,677 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:32:36,744 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:32:36,745 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:32:36,745 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:32:36,745 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:32:36,745 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:32:36,745 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:32:36,745 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:32:36,746 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:32:36,746 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:32:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-09-10 12:32:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-10 12:32:36,794 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:32:36,795 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] [2018-09-10 12:32:36,796 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 12:32:36,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1645437647, now seen corresponding path program 1 times [2018-09-10 12:32:36,805 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:32:36,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:36,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:32:36,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:36,855 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:32:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:32:37,286 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 12:32:37,288 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:32:37,289 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:32:37,289 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:32:37,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:32:37,310 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:32:37,311 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:32:37,314 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-09-10 12:32:53,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:32:53,886 INFO L93 Difference]: Finished difference Result 2164 states and 4009 transitions. [2018-09-10 12:32:53,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:32:53,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-09-10 12:32:53,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:32:53,932 INFO L225 Difference]: With dead ends: 2164 [2018-09-10 12:32:53,932 INFO L226 Difference]: Without dead ends: 1554 [2018-09-10 12:32:53,941 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 12:32:53,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2018-09-10 12:32:54,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1053. [2018-09-10 12:32:54,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2018-09-10 12:32:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1883 transitions. [2018-09-10 12:32:54,121 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1883 transitions. Word has length 39 [2018-09-10 12:32:54,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:32:54,122 INFO L480 AbstractCegarLoop]: Abstraction has 1053 states and 1883 transitions. [2018-09-10 12:32:54,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 12:32:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1883 transitions. [2018-09-10 12:32:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-10 12:32:54,132 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:32:54,133 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, 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, 1, 1, 1] [2018-09-10 12:32:54,133 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 12:32:54,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1698072894, now seen corresponding path program 1 times [2018-09-10 12:32:54,136 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:32:54,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:54,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:32:54,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:54,138 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:32:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:32:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:32:54,516 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:32:54,516 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 12:32:54,516 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:32:54,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:32:54,518 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:32:54,518 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 12:32:54,519 INFO L87 Difference]: Start difference. First operand 1053 states and 1883 transitions. Second operand 5 states. [2018-09-10 12:33:02,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:33:02,749 INFO L93 Difference]: Finished difference Result 3033 states and 5539 transitions. [2018-09-10 12:33:02,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:33:02,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2018-09-10 12:33:02,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:33:02,766 INFO L225 Difference]: With dead ends: 3033 [2018-09-10 12:33:02,766 INFO L226 Difference]: Without dead ends: 1986 [2018-09-10 12:33:02,771 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:33:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2018-09-10 12:33:02,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1960. [2018-09-10 12:33:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1960 states. [2018-09-10 12:33:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 3240 transitions. [2018-09-10 12:33:02,849 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 3240 transitions. Word has length 111 [2018-09-10 12:33:02,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:33:02,850 INFO L480 AbstractCegarLoop]: Abstraction has 1960 states and 3240 transitions. [2018-09-10 12:33:02,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:33:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 3240 transitions. [2018-09-10 12:33:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-10 12:33:02,854 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:33:02,854 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, 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, 1, 1, 1, 1, 1, 1] [2018-09-10 12:33:02,854 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:33:02,855 INFO L82 PathProgramCache]: Analyzing trace with hash 734189537, now seen corresponding path program 1 times [2018-09-10 12:33:02,855 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:33:02,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:33:02,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:33:02,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:33:02,856 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:33:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:33:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:33:03,316 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:33:03,316 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 12:33:03,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:33:03,333 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:33:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:33:03,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:33:04,850 WARN L175 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-09-10 12:33:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:33:05,018 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:33:05,710 WARN L175 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 17 [2018-09-10 12:33:08,193 WARN L175 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-09-10 12:33:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:33:08,592 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:33:08,593 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-09-10 12:33:08,593 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:33:08,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:33:08,594 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:33:08,594 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=110, Unknown=1, NotChecked=0, Total=156 [2018-09-10 12:33:08,596 INFO L87 Difference]: Start difference. First operand 1960 states and 3240 transitions. Second operand 6 states. Received shutdown request... [2018-09-10 12:36:54,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-10 12:36:54,891 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 12:36:54,896 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 12:36:54,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:36:54 BoogieIcfgContainer [2018-09-10 12:36:54,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:36:54,898 INFO L168 Benchmark]: Toolchain (without parser) took 272763.91 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:54,899 INFO L168 Benchmark]: CDTParser took 0.23 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 12:36:54,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1782.19 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:54,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 303.03 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 12:36:54,901 INFO L168 Benchmark]: Boogie Preprocessor took 833.96 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 942.7 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 123.6 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:54,902 INFO L168 Benchmark]: RCFGBuilder took 11590.94 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: 499.7 MB). Peak memory consumption was 499.7 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:54,903 INFO L168 Benchmark]: TraceAbstraction took 258247.08 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 261.1 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -733.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 12:36:54,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1782.19 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: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 303.03 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 833.96 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 942.7 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 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11590.94 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: 499.7 MB). Peak memory consumption was 499.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258247.08 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 261.1 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -733.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 104). Cancelled while BasicCegarLoop was constructing difference of abstraction (1960states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (4591 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 258.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 251.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 655 SDtfs, 4878 SDslu, 582 SDs, 0 SdLazy, 6904 SolverSat, 2307 SolverUnsat, 106 SolverUnknown, 0 SolverNotchecked, 247.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 229 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1960occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 527 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 487 ConstructedInterpolants, 80 QuantifiedInterpolants, 415261 SizeOfPredicates, 3 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 68/128 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_label59_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-36-54-920.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label59_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-36-54-920.csv Completed graceful shutdown