java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 14:47:36,743 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 14:47:36,746 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 14:47:36,762 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 14:47:36,763 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 14:47:36,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 14:47:36,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 14:47:36,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 14:47:36,772 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 14:47:36,773 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 14:47:36,775 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 14:47:36,776 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 14:47:36,777 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 14:47:36,778 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 14:47:36,781 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 14:47:36,788 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 14:47:36,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 14:47:36,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 14:47:36,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 14:47:36,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 14:47:36,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 14:47:36,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 14:47:36,807 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 14:47:36,807 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 14:47:36,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 14:47:36,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 14:47:36,810 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 14:47:36,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 14:47:36,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 14:47:36,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 14:47:36,812 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 14:47:36,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 14:47:36,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 14:47:36,813 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 14:47:36,815 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 14:47:36,816 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 14:47:36,816 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 14:47:36,846 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 14:47:36,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 14:47:36,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 14:47:36,847 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 14:47:36,848 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 14:47:36,848 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 14:47:36,849 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 14:47:36,849 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 14:47:36,849 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 14:47:36,849 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 14:47:36,849 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 14:47:36,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 14:47:36,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 14:47:36,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 14:47:36,852 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 14:47:36,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 14:47:36,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 14:47:36,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 14:47:36,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 14:47:36,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 14:47:36,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 14:47:36,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 14:47:36,855 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 14:47:36,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:47:36,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 14:47:36,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 14:47:36,856 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 14:47:36,856 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 14:47:36,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 14:47:36,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 14:47:36,856 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 14:47:36,857 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 14:47:36,857 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 14:47:36,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 14:47:36,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 14:47:36,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 14:47:36,937 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 14:47:36,937 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 14:47:36,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label02_true-unreach-call.c [2018-07-24 14:47:37,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d121f5b/36ba6045acdb4cbb83987cc03d2c2d26/FLAG3c960c03f [2018-07-24 14:47:37,748 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 14:47:37,749 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label02_true-unreach-call.c [2018-07-24 14:47:37,780 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d121f5b/36ba6045acdb4cbb83987cc03d2c2d26/FLAG3c960c03f [2018-07-24 14:47:37,801 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d121f5b/36ba6045acdb4cbb83987cc03d2c2d26 [2018-07-24 14:47:37,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 14:47:37,815 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 14:47:37,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 14:47:37,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 14:47:37,824 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 14:47:37,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:47:37" (1/1) ... [2018-07-24 14:47:37,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64061262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:37, skipping insertion in model container [2018-07-24 14:47:37,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:47:37" (1/1) ... [2018-07-24 14:47:38,117 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 14:47:38,870 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:47:38,888 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 14:47:39,298 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:47:39,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39 WrapperNode [2018-07-24 14:47:39,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 14:47:39,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 14:47:39,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 14:47:39,532 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 14:47:39,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:39,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:39,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 14:47:39,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 14:47:39,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 14:47:39,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 14:47:40,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:40,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:40,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:40,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:40,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:40,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:40,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... [2018-07-24 14:47:40,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 14:47:40,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 14:47:40,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 14:47:40,634 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 14:47:40,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:47:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 14:47:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 14:47:40,698 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 [2018-07-24 14:47:40,698 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 [2018-07-24 14:47:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 14:47:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 14:47:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 14:47:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 14:47:40,699 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 [2018-07-24 14:47:40,699 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 [2018-07-24 14:47:51,688 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 14:47:51,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:47:51 BoogieIcfgContainer [2018-07-24 14:47:51,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 14:47:51,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 14:47:51,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 14:47:51,693 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 14:47:51,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 02:47:37" (1/3) ... [2018-07-24 14:47:51,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676de36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:47:51, skipping insertion in model container [2018-07-24 14:47:51,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:47:39" (2/3) ... [2018-07-24 14:47:51,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676de36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:47:51, skipping insertion in model container [2018-07-24 14:47:51,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:47:51" (3/3) ... [2018-07-24 14:47:51,697 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label02_true-unreach-call.c [2018-07-24 14:47:51,706 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 14:47:51,715 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 14:47:51,774 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 14:47:51,775 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 14:47:51,775 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 14:47:51,775 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 14:47:51,775 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 14:47:51,775 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 14:47:51,775 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 14:47:51,776 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 14:47:51,776 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 14:47:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-07-24 14:47:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-24 14:47:51,827 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:47:51,829 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:47:51,829 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:47:51,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1930837476, now seen corresponding path program 1 times [2018-07-24 14:47:51,838 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:47:51,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:47:51,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:47:51,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:47:51,888 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:47:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:47:52,376 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 5 [2018-07-24 14:47:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:47:52,404 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:47:52,404 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:47:52,405 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:47:52,411 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:47:52,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:47:52,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:47:52,430 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-07-24 14:48:03,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:48:03,754 INFO L93 Difference]: Finished difference Result 2139 states and 3961 transitions. [2018-07-24 14:48:03,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:48:03,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-07-24 14:48:03,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:48:03,790 INFO L225 Difference]: With dead ends: 2139 [2018-07-24 14:48:03,790 INFO L226 Difference]: Without dead ends: 1529 [2018-07-24 14:48:03,804 INFO L573 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 [2018-07-24 14:48:03,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2018-07-24 14:48:03,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1527. [2018-07-24 14:48:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-07-24 14:48:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2413 transitions. [2018-07-24 14:48:03,968 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2413 transitions. Word has length 60 [2018-07-24 14:48:03,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:48:03,969 INFO L471 AbstractCegarLoop]: Abstraction has 1527 states and 2413 transitions. [2018-07-24 14:48:03,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:48:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2413 transitions. [2018-07-24 14:48:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-24 14:48:03,980 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:48:03,980 INFO L353 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, 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] [2018-07-24 14:48:03,981 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:48:03,981 INFO L82 PathProgramCache]: Analyzing trace with hash -2106271091, now seen corresponding path program 1 times [2018-07-24 14:48:03,981 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:48:03,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:48:03,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:48:03,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:48:03,983 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:48:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:48:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:48:04,604 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:48:04,604 INFO L191 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 [2018-07-24 14:48:04,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:48:04,620 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:48:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:48:04,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:49:17,899 WARN L169 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 147 DAG size of output: 107 [2018-07-24 14:50:10,271 WARN L169 SmtUtils]: Spent 48.24 s on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2018-07-24 14:50:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:50:11,092 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:50:16,110 WARN L169 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 460 DAG size of output: 19 [2018-07-24 14:50:16,485 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-07-24 14:50:16,495 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-07-24 14:50:16,624 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-07-24 14:50:17,278 WARN L169 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2018-07-24 14:50:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 29 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:50:17,622 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:50:17,622 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:50:17,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:50:17,641 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:50:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:50:17,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:51:00,364 WARN L169 SmtUtils]: Spent 38.15 s on a formula simplification. DAG size of input: 468 DAG size of output: 180 [2018-07-24 14:51:32,779 WARN L169 SmtUtils]: Spent 24.18 s on a formula simplification. DAG size of input: 180 DAG size of output: 131 [2018-07-24 14:51:53,136 WARN L169 SmtUtils]: Spent 12.09 s on a formula simplification that was a NOOP. DAG size: 131 [2018-07-24 14:51:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:51:53,946 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:52:04,369 WARN L169 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2018-07-24 14:52:04,435 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-07-24 14:52:05,252 WARN L169 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2018-07-24 14:52:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:52:05,565 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-07-24 14:52:05,565 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 7, 7, 7] total 21 [2018-07-24 14:52:05,565 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:52:05,567 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 14:52:05,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 14:52:05,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=285, Unknown=17, NotChecked=0, Total=420 [2018-07-24 14:52:05,569 INFO L87 Difference]: Start difference. First operand 1527 states and 2413 transitions. Second operand 6 states. Received shutdown request... [2018-07-24 14:52:07,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 14:52:07,957 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 14:52:07,963 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 14:52:07,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 02:52:07 BoogieIcfgContainer [2018-07-24 14:52:07,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 14:52:07,964 INFO L168 Benchmark]: Toolchain (without parser) took 270150.34 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 27.6 MB. Max. memory is 7.1 GB. [2018-07-24 14:52:07,966 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 14:52:07,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1715.24 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. [2018-07-24 14:52:07,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 266.95 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. [2018-07-24 14:52:07,968 INFO L168 Benchmark]: Boogie Preprocessor took 833.74 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 950.0 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 123.6 MB. Max. memory is 7.1 GB. [2018-07-24 14:52:07,969 INFO L168 Benchmark]: RCFGBuilder took 11055.48 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: 496.3 MB). Peak memory consumption was 496.3 MB. Max. memory is 7.1 GB. [2018-07-24 14:52:07,970 INFO L168 Benchmark]: TraceAbstraction took 256273.92 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: -738.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 14:52:07,975 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1715.24 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 266.95 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 833.74 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 950.0 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 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11055.48 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: 496.3 MB). Peak memory consumption was 496.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256273.92 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: -738.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 167]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 167). Cancelled while BasicCegarLoop was constructing difference of abstraction (1527states) and interpolant automaton (currently 5 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (1068 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 256.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 13.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 600 SDtfs, 1692 SDslu, 279 SDs, 0 SdLazy, 3432 SolverSat, 886 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 528 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 238.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1527occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 241.5s InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 729 ConstructedInterpolants, 244 QuantifiedInterpolants, 4557109 SizeOfPredicates, 15 NumberOfNonLiveVariables, 570 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 94/265 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_label02_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_14-52-07-996.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label02_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_14-52-07-996.csv Completed graceful shutdown