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/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label12_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:27:27,736 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:27:27,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:27:27,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:27:27,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:27:27,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:27:27,763 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:27:27,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:27:27,766 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:27:27,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:27:27,768 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:27:27,768 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:27:27,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:27:27,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:27:27,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:27:27,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:27:27,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:27:27,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:27:27,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:27:27,787 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:27:27,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:27:27,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:27:27,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:27:27,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:27:27,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:27:27,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:27:27,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:27:27,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:27:27,804 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:27:27,807 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:27:27,807 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:27:27,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 19:27:27,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 19:27:27,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 19:27:27,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 19:27:27,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 19:27:27,811 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 19:27:27,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:27:27,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:27:27,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:27:27,840 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:27:27,840 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:27:27,841 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:27:27,841 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:27:27,841 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:27:27,841 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:27:27,841 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:27:27,842 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:27:27,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:27:27,842 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:27:27,843 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:27:27,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:27:27,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:27:27,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:27:27,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:27:27,844 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:27:27,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:27:27,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:27:27,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:27:27,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:27:27,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:27:27,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:27:27,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:27:27,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:27:27,845 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:27:27,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:27:27,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:27:27,846 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:27:27,846 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:27:27,846 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:27:27,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:27:27,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:27:27,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:27:27,928 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:27:27,929 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:27:27,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label12_false-unreach-call.c [2018-07-23 19:27:28,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5164cc8e2/a2a748136e4646a59e5d3c79e9a8be16/FLAG93bd5a2d8 [2018-07-23 19:27:28,811 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:27:28,812 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label12_false-unreach-call.c [2018-07-23 19:27:28,854 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5164cc8e2/a2a748136e4646a59e5d3c79e9a8be16/FLAG93bd5a2d8 [2018-07-23 19:27:28,873 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5164cc8e2/a2a748136e4646a59e5d3c79e9a8be16 [2018-07-23 19:27:28,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:27:28,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:27:28,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:27:28,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:27:28,897 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:27:28,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:27:28" (1/1) ... [2018-07-23 19:27:28,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d65a7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:28, skipping insertion in model container [2018-07-23 19:27:28,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:27:28" (1/1) ... [2018-07-23 19:27:29,333 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:27:30,594 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:27:30,611 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:27:31,348 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:27:31,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31 WrapperNode [2018-07-23 19:27:31,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:27:31,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:27:31,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:27:31,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:27:31,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:31,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:32,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:27:32,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:27:32,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:27:32,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:27:32,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:32,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:33,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:33,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:33,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:33,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:33,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (1/1) ... [2018-07-23 19:27:33,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:27:33,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:27:33,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:27:33,421 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:27:33,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (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 [2018-07-23 19:27:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:27:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:27:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 19:27:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 19:27:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:27:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:27:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:27:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:27:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:27:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:27:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 19:27:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 19:27:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:27:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:27:54,425 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:27:54,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:27:54 BoogieIcfgContainer [2018-07-23 19:27:54,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:27:54,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:27:54,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:27:54,430 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:27:54,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:27:28" (1/3) ... [2018-07-23 19:27:54,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6157425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:27:54, skipping insertion in model container [2018-07-23 19:27:54,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:27:31" (2/3) ... [2018-07-23 19:27:54,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6157425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:27:54, skipping insertion in model container [2018-07-23 19:27:54,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:27:54" (3/3) ... [2018-07-23 19:27:54,434 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label12_false-unreach-call.c [2018-07-23 19:27:54,442 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:27:54,451 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:27:54,511 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:27:54,512 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:27:54,512 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:27:54,512 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:27:54,512 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:27:54,512 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:27:54,513 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:27:54,513 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:27:54,513 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:27:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-07-23 19:27:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 19:27:54,557 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:27:54,558 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:27:54,559 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:27:54,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1912929836, now seen corresponding path program 1 times [2018-07-23 19:27:54,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:27:54,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:54,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:27:54,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:54,620 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:27:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:27:54,909 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:27:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:27:54,977 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:27:54,977 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 19:27:54,977 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:27:54,982 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 19:27:54,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 19:27:54,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:27:54,998 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-07-23 19:28:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:28:07,147 INFO L93 Difference]: Finished difference Result 3093 states and 5715 transitions. [2018-07-23 19:28:07,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 19:28:07,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-07-23 19:28:07,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:28:07,192 INFO L225 Difference]: With dead ends: 3093 [2018-07-23 19:28:07,193 INFO L226 Difference]: Without dead ends: 1971 [2018-07-23 19:28:07,203 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:28:07,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2018-07-23 19:28:07,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1957. [2018-07-23 19:28:07,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-07-23 19:28:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3535 transitions. [2018-07-23 19:28:07,417 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3535 transitions. Word has length 16 [2018-07-23 19:28:07,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:28:07,418 INFO L471 AbstractCegarLoop]: Abstraction has 1957 states and 3535 transitions. [2018-07-23 19:28:07,418 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 19:28:07,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3535 transitions. [2018-07-23 19:28:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 19:28:07,429 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:28:07,430 INFO L353 BasicCegarLoop]: trace histogram [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, 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] [2018-07-23 19:28:07,430 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:28:07,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1728644492, now seen corresponding path program 1 times [2018-07-23 19:28:07,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:28:07,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:07,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:28:07,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:07,435 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:28:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:28:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:28:07,840 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:28:07,840 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:28:07,840 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:28:07,842 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:28:07,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:28:07,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:28:07,843 INFO L87 Difference]: Start difference. First operand 1957 states and 3535 transitions. Second operand 6 states. [2018-07-23 19:28:31,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:28:31,862 INFO L93 Difference]: Finished difference Result 5708 states and 10459 transitions. [2018-07-23 19:28:31,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 19:28:31,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-07-23 19:28:31,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:28:31,896 INFO L225 Difference]: With dead ends: 5708 [2018-07-23 19:28:31,896 INFO L226 Difference]: Without dead ends: 3757 [2018-07-23 19:28:31,904 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 19:28:31,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2018-07-23 19:28:32,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3686. [2018-07-23 19:28:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2018-07-23 19:28:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 6059 transitions. [2018-07-23 19:28:32,038 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 6059 transitions. Word has length 99 [2018-07-23 19:28:32,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:28:32,039 INFO L471 AbstractCegarLoop]: Abstraction has 3686 states and 6059 transitions. [2018-07-23 19:28:32,039 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:28:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 6059 transitions. [2018-07-23 19:28:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 19:28:32,051 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:28:32,051 INFO L353 BasicCegarLoop]: trace histogram [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, 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] [2018-07-23 19:28:32,051 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:28:32,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1728535552, now seen corresponding path program 1 times [2018-07-23 19:28:32,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:28:32,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:32,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:28:32,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:32,055 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:28:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:28:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:28:32,404 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:28:32,404 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:28:32,405 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:28:32,405 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:28:32,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:28:32,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:28:32,406 INFO L87 Difference]: Start difference. First operand 3686 states and 6059 transitions. Second operand 6 states. [2018-07-23 19:28:43,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:28:43,066 INFO L93 Difference]: Finished difference Result 10847 states and 18401 transitions. [2018-07-23 19:28:43,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:28:43,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-07-23 19:28:43,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:28:43,112 INFO L225 Difference]: With dead ends: 10847 [2018-07-23 19:28:43,112 INFO L226 Difference]: Without dead ends: 7167 [2018-07-23 19:28:43,128 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 19:28:43,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7167 states. [2018-07-23 19:28:43,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7167 to 7112. [2018-07-23 19:28:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7112 states. [2018-07-23 19:28:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7112 states to 7112 states and 10887 transitions. [2018-07-23 19:28:43,328 INFO L78 Accepts]: Start accepts. Automaton has 7112 states and 10887 transitions. Word has length 106 [2018-07-23 19:28:43,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:28:43,329 INFO L471 AbstractCegarLoop]: Abstraction has 7112 states and 10887 transitions. [2018-07-23 19:28:43,329 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:28:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 7112 states and 10887 transitions. [2018-07-23 19:28:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 19:28:43,335 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:28:43,335 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:28:43,335 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:28:43,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1129642774, now seen corresponding path program 1 times [2018-07-23 19:28:43,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:28:43,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:43,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:28:43,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:43,337 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:28:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:28:43,681 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:28:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:28:44,080 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:28:44,080 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:28:44,080 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:28:44,081 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:28:44,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:28:44,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:28:44,082 INFO L87 Difference]: Start difference. First operand 7112 states and 10887 transitions. Second operand 6 states. [2018-07-23 19:28:58,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:28:58,920 INFO L93 Difference]: Finished difference Result 19708 states and 31054 transitions. [2018-07-23 19:28:58,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:28:58,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-07-23 19:28:58,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:28:58,994 INFO L225 Difference]: With dead ends: 19708 [2018-07-23 19:28:58,994 INFO L226 Difference]: Without dead ends: 12602 [2018-07-23 19:28:59,037 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 19:28:59,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12602 states. [2018-07-23 19:28:59,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12602 to 12385. [2018-07-23 19:28:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12385 states. [2018-07-23 19:28:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12385 states to 12385 states and 17906 transitions. [2018-07-23 19:28:59,372 INFO L78 Accepts]: Start accepts. Automaton has 12385 states and 17906 transitions. Word has length 152 [2018-07-23 19:28:59,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:28:59,373 INFO L471 AbstractCegarLoop]: Abstraction has 12385 states and 17906 transitions. [2018-07-23 19:28:59,373 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:28:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 12385 states and 17906 transitions. [2018-07-23 19:28:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 19:28:59,379 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:28:59,379 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-07-23 19:28:59,380 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:28:59,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1096471157, now seen corresponding path program 1 times [2018-07-23 19:28:59,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:28:59,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:59,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:28:59,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:59,382 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:28:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:28:59,732 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:28:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:28:59,937 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:28:59,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:28:59,937 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:28:59,938 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:28:59,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:28:59,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:28:59,938 INFO L87 Difference]: Start difference. First operand 12385 states and 17906 transitions. Second operand 6 states. [2018-07-23 19:29:12,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:29:12,052 INFO L93 Difference]: Finished difference Result 28957 states and 42469 transitions. [2018-07-23 19:29:12,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:29:12,053 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-07-23 19:29:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:29:12,132 INFO L225 Difference]: With dead ends: 28957 [2018-07-23 19:29:12,132 INFO L226 Difference]: Without dead ends: 16578 [2018-07-23 19:29:12,179 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 19:29:12,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16578 states. [2018-07-23 19:29:12,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16578 to 16534. [2018-07-23 19:29:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16534 states. [2018-07-23 19:29:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16534 states to 16534 states and 22694 transitions. [2018-07-23 19:29:12,552 INFO L78 Accepts]: Start accepts. Automaton has 16534 states and 22694 transitions. Word has length 174 [2018-07-23 19:29:12,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:29:12,552 INFO L471 AbstractCegarLoop]: Abstraction has 16534 states and 22694 transitions. [2018-07-23 19:29:12,552 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:29:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 16534 states and 22694 transitions. [2018-07-23 19:29:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 19:29:12,557 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:29:12,557 INFO L353 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:29:12,557 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:29:12,558 INFO L82 PathProgramCache]: Analyzing trace with hash 119678087, now seen corresponding path program 1 times [2018-07-23 19:29:12,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:29:12,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:29:12,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:29:12,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:29:12,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:29:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:29:12,901 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:29:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:29:13,319 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:29:13,319 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:29:13,319 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:29:13,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:29:13,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:29:13,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:29:13,320 INFO L87 Difference]: Start difference. First operand 16534 states and 22694 transitions. Second operand 6 states. [2018-07-23 19:29:26,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:29:26,174 INFO L93 Difference]: Finished difference Result 38569 states and 54779 transitions. [2018-07-23 19:29:26,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:29:26,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2018-07-23 19:29:26,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:29:26,265 INFO L225 Difference]: With dead ends: 38569 [2018-07-23 19:29:26,265 INFO L226 Difference]: Without dead ends: 22041 [2018-07-23 19:29:26,304 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 19:29:26,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22041 states. [2018-07-23 19:29:26,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22041 to 21853. [2018-07-23 19:29:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21853 states. [2018-07-23 19:29:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21853 states to 21853 states and 28900 transitions. [2018-07-23 19:29:26,801 INFO L78 Accepts]: Start accepts. Automaton has 21853 states and 28900 transitions. Word has length 197 [2018-07-23 19:29:26,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:29:26,802 INFO L471 AbstractCegarLoop]: Abstraction has 21853 states and 28900 transitions. [2018-07-23 19:29:26,802 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:29:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21853 states and 28900 transitions. [2018-07-23 19:29:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-23 19:29:26,811 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:29:26,812 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-07-23 19:29:26,812 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:29:26,812 INFO L82 PathProgramCache]: Analyzing trace with hash 465427368, now seen corresponding path program 1 times [2018-07-23 19:29:26,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:29:26,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:29:26,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:29:26,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:29:26,813 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:29:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:29:27,117 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:29:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 18 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 19:29:27,839 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:29:27,839 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:29:27,840 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-07-23 19:29:27,845 INFO L201 CegarAbsIntRunner]: [0], [1], [303], [307], [313], [317], [319], [2652], [2659], [2667], [2675], [2679], [2681], [2684], [2692], [2700], [2708], [2716], [2724], [2732], [2740], [2748], [2756], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3124], [3132], [3140], [3145], [3149], [3153], [3157], [3161], [3172], [3176], [3180], [3184], [3188], [3192], [3203], [3207], [3211], [3215], [3219], [3223], [3227], [3231], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3281], [3282], [3286], [3290], [3294], [3298], [3302], [3306], [3309], [4262], [4263], [4264], [4265], [4267], [4268] [2018-07-23 19:29:27,930 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:29:27,931 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:29:38,739 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:29:38,741 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-23 19:29:38,750 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:29:47,703 INFO L232 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 70.77% of their original sizes. [2018-07-23 19:29:47,704 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:29:48,455 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:29:48,456 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:29:48,457 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-07-23 19:29:48,457 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:29:48,457 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 19:29:48,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 19:29:48,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-23 19:29:48,458 INFO L87 Difference]: Start difference. First operand 21853 states and 28900 transitions. Second operand 8 states. [2018-07-23 19:30:20,857 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 19:31:03,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 19:31:03,175 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:31:03,182 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:31:03,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:31:03 BoogieIcfgContainer [2018-07-23 19:31:03,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:31:03,186 INFO L168 Benchmark]: Toolchain (without parser) took 214298.63 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 518.9 MB. Max. memory is 7.1 GB. [2018-07-23 19:31:03,192 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 19:31:03,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2846.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. [2018-07-23 19:31:03,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 319.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 19:31:03,194 INFO L168 Benchmark]: Boogie Preprocessor took 1363.61 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 982.5 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 184.9 MB. Max. memory is 7.1 GB. [2018-07-23 19:31:03,195 INFO L168 Benchmark]: RCFGBuilder took 21005.21 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 165.2 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.7 MB). Peak memory consumption was 764.6 MB. Max. memory is 7.1 GB. [2018-07-23 19:31:03,197 INFO L168 Benchmark]: TraceAbstraction took 188758.75 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 242.5 MB. Max. memory is 7.1 GB. [2018-07-23 19:31:03,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2846.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 319.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1363.61 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 982.5 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 184.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21005.21 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 165.2 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.7 MB). Peak memory consumption was 764.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 188758.75 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 242.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 39). Cancelled while BasicCegarLoop was constructing difference of abstraction (21853states) and interpolant automaton (currently 8 states, 8 states before enhancement), while ReachableStatesComputation was computing reachable states (5438 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 188.6s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 161.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2898 SDtfs, 23952 SDslu, 3080 SDs, 0 SdLazy, 31084 SolverSat, 8429 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 135.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 276 GetRequests, 227 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21853occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9955944055944055 AbsIntWeakeningRatio, 0.12272727272727273 AbsIntAvgWeakeningVarsNumRemoved, 1016.55 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 589 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 958 ConstructedInterpolants, 0 QuantifiedInterpolants, 839795 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 68/162 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/Problem13_label12_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-31-03-216.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label12_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-31-03-216.csv Completed graceful shutdown