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/Problem19_label29_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:39:13,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:39:13,627 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:39:13,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:39:13,639 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:39:13,641 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:39:13,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:39:13,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:39:13,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:39:13,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:39:13,652 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:39:13,652 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:39:13,653 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:39:13,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:39:13,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:39:13,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:39:13,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:39:13,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:39:13,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:39:13,675 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:39:13,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:39:13,680 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:39:13,683 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 12:39:13,683 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 12:39:13,683 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 12:39:13,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 12:39:13,687 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 12:39:13,688 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 12:39:13,688 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 12:39:13,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 12:39:13,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 12:39:13,690 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 12:39:13,690 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:39:13,691 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:39:13,691 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:39:13,692 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:39:13,692 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 12:39:13,707 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:39:13,707 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:39:13,708 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:39:13,708 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:39:13,708 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:39:13,709 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:39:13,709 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:39:13,709 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:39:13,709 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:39:13,709 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:39:13,710 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:39:13,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:39:13,710 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:39:13,711 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:39:13,711 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:39:13,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:39:13,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:39:13,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:39:13,711 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:39:13,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:39:13,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:39:13,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:39:13,712 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:39:13,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:39:13,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:39:13,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:39:13,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:39:13,713 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:39:13,713 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:39:13,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:39:13,714 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:39:13,714 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:39:13,714 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:39:13,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:39:13,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:39:13,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:39:13,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:39:13,775 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:39:13,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c [2018-07-24 12:39:14,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57bf8c57f/cd5890445a004cab94f1fb2a4097a32b/FLAG9cd31bae7 [2018-07-24 12:39:14,654 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:39:14,657 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c [2018-07-24 12:39:14,711 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57bf8c57f/cd5890445a004cab94f1fb2a4097a32b/FLAG9cd31bae7 [2018-07-24 12:39:14,730 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57bf8c57f/cd5890445a004cab94f1fb2a4097a32b [2018-07-24 12:39:14,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:39:14,747 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:39:14,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:39:14,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:39:14,757 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:39:14,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:39:14" (1/1) ... [2018-07-24 12:39:14,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8b2370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:14, skipping insertion in model container [2018-07-24 12:39:14,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:39:14" (1/1) ... [2018-07-24 12:39:15,271 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:39:16,908 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:39:16,928 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:39:18,158 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:39:18,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18 WrapperNode [2018-07-24 12:39:18,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:39:18,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:39:18,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:39:18,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:39:18,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:18,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:19,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:39:19,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:39:19,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:39:19,097 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:39:20,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:20,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:20,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:20,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:20,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:20,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:20,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (1/1) ... [2018-07-24 12:39:20,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:39:20,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:39:20,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:39:20,828 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:39:20,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (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 12:39:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:39:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:39:20,898 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 [2018-07-24 12:39:20,898 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 [2018-07-24 12:39:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:39:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:39:20,898 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_output5 [2018-07-24 12:39:20,899 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_output5 [2018-07-24 12:39:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:39:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:39:20,899 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 [2018-07-24 12:39:20,899 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 [2018-07-24 12:39:20,899 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 [2018-07-24 12:39:20,900 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 [2018-07-24 12:39:20,901 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_output6 [2018-07-24 12:39:20,901 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_output6 [2018-07-24 12:39:20,901 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 [2018-07-24 12:39:20,901 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 [2018-07-24 12:39:39,116 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:39:39,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:39:39 BoogieIcfgContainer [2018-07-24 12:39:39,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:39:39,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:39:39,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:39:39,121 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:39:39,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:39:14" (1/3) ... [2018-07-24 12:39:39,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76055411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:39:39, skipping insertion in model container [2018-07-24 12:39:39,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:39:18" (2/3) ... [2018-07-24 12:39:39,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76055411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:39:39, skipping insertion in model container [2018-07-24 12:39:39,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:39:39" (3/3) ... [2018-07-24 12:39:39,125 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label29_false-unreach-call.c [2018-07-24 12:39:39,133 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:39:39,142 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:39:39,204 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:39:39,205 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:39:39,205 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:39:39,206 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:39:39,206 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:39:39,206 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:39:39,206 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:39:39,206 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:39:39,206 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:39:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 12:39:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-24 12:39:39,269 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:39:39,270 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] [2018-07-24 12:39:39,271 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]=== [2018-07-24 12:39:39,276 INFO L82 PathProgramCache]: Analyzing trace with hash -522870466, now seen corresponding path program 1 times [2018-07-24 12:39:39,279 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:39:39,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:39,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:39:39,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:39,331 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:39:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:39:39,767 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 12:39:39,770 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:39:39,770 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:39:39,770 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:39:39,777 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:39:39,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:39:39,798 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:39:39,800 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 12:39:55,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:39:55,864 INFO L93 Difference]: Finished difference Result 5049 states and 9513 transitions. [2018-07-24 12:39:55,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:39:55,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-07-24 12:39:55,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:39:55,924 INFO L225 Difference]: With dead ends: 5049 [2018-07-24 12:39:55,924 INFO L226 Difference]: Without dead ends: 3269 [2018-07-24 12:39:55,941 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:39:55,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2018-07-24 12:39:56,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3218. [2018-07-24 12:39:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3218 states. [2018-07-24 12:39:56,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 5997 transitions. [2018-07-24 12:39:56,152 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 5997 transitions. Word has length 28 [2018-07-24 12:39:56,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:39:56,153 INFO L471 AbstractCegarLoop]: Abstraction has 3218 states and 5997 transitions. [2018-07-24 12:39:56,153 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:39:56,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 5997 transitions. [2018-07-24 12:39:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-24 12:39:56,160 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:39:56,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:39:56,161 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]=== [2018-07-24 12:39:56,162 INFO L82 PathProgramCache]: Analyzing trace with hash -431155181, now seen corresponding path program 1 times [2018-07-24 12:39:56,162 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:39:56,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:56,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:39:56,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:56,163 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:39:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:39:56,554 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:39:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:39:56,939 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:39:56,939 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:39:56,939 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:39:56,942 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:39:56,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:39:56,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:39:56,943 INFO L87 Difference]: Start difference. First operand 3218 states and 5997 transitions. Second operand 6 states. [2018-07-24 12:40:27,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:40:27,062 INFO L93 Difference]: Finished difference Result 12137 states and 23144 transitions. [2018-07-24 12:40:27,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:40:27,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-07-24 12:40:27,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:40:27,115 INFO L225 Difference]: With dead ends: 12137 [2018-07-24 12:40:27,116 INFO L226 Difference]: Without dead ends: 8925 [2018-07-24 12:40:27,131 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:40:27,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8925 states. [2018-07-24 12:40:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8925 to 8862. [2018-07-24 12:40:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8862 states. [2018-07-24 12:40:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 14404 transitions. [2018-07-24 12:40:27,376 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 14404 transitions. Word has length 100 [2018-07-24 12:40:27,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:40:27,377 INFO L471 AbstractCegarLoop]: Abstraction has 8862 states and 14404 transitions. [2018-07-24 12:40:27,377 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:40:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 14404 transitions. [2018-07-24 12:40:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-24 12:40:27,381 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:40:27,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:27,381 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]=== [2018-07-24 12:40:27,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1939388257, now seen corresponding path program 1 times [2018-07-24 12:40:27,382 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:40:27,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:27,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:40:27,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:27,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:40:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:40:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:40:27,684 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:40:27,684 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 12:40:27,684 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:40:27,685 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:40:27,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:40:27,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 12:40:27,687 INFO L87 Difference]: Start difference. First operand 8862 states and 14404 transitions. Second operand 5 states. [2018-07-24 12:40:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:40:56,811 INFO L93 Difference]: Finished difference Result 26942 states and 44517 transitions. [2018-07-24 12:40:56,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:40:56,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-07-24 12:40:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:40:56,905 INFO L225 Difference]: With dead ends: 26942 [2018-07-24 12:40:56,906 INFO L226 Difference]: Without dead ends: 18086 [2018-07-24 12:40:56,931 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 12:40:56,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18086 states. [2018-07-24 12:40:57,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18086 to 17791. [2018-07-24 12:40:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17791 states. [2018-07-24 12:40:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17791 states to 17791 states and 25667 transitions. [2018-07-24 12:40:57,380 INFO L78 Accepts]: Start accepts. Automaton has 17791 states and 25667 transitions. Word has length 102 [2018-07-24 12:40:57,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:40:57,381 INFO L471 AbstractCegarLoop]: Abstraction has 17791 states and 25667 transitions. [2018-07-24 12:40:57,381 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:40:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 17791 states and 25667 transitions. [2018-07-24 12:40:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-24 12:40:57,383 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:40:57,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:57,384 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]=== [2018-07-24 12:40:57,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2118290709, now seen corresponding path program 1 times [2018-07-24 12:40:57,384 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:40:57,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:57,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:40:57,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:57,386 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:40:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:40:57,643 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:40:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:40:57,933 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:40:57,933 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:40:57,933 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:40:57,934 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:40:57,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:40:57,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:40:57,934 INFO L87 Difference]: Start difference. First operand 17791 states and 25667 transitions. Second operand 6 states. [2018-07-24 12:41:26,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:41:26,932 INFO L93 Difference]: Finished difference Result 48119 states and 71190 transitions. [2018-07-24 12:41:26,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:41:26,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-07-24 12:41:26,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:41:27,040 INFO L225 Difference]: With dead ends: 48119 [2018-07-24 12:41:27,041 INFO L226 Difference]: Without dead ends: 30334 [2018-07-24 12:41:27,086 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:41:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30334 states. [2018-07-24 12:41:27,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30334 to 30030. [2018-07-24 12:41:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30030 states. [2018-07-24 12:41:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30030 states to 30030 states and 42244 transitions. [2018-07-24 12:41:27,768 INFO L78 Accepts]: Start accepts. Automaton has 30030 states and 42244 transitions. Word has length 107 [2018-07-24 12:41:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:41:27,769 INFO L471 AbstractCegarLoop]: Abstraction has 30030 states and 42244 transitions. [2018-07-24 12:41:27,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:41:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 30030 states and 42244 transitions. [2018-07-24 12:41:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-24 12:41:27,775 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:41:27,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:27,775 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]=== [2018-07-24 12:41:27,776 INFO L82 PathProgramCache]: Analyzing trace with hash -3568227, now seen corresponding path program 1 times [2018-07-24 12:41:27,776 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:41:27,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:27,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:41:27,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:27,777 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:41:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:41:28,073 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:41:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:41:28,451 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:41:28,451 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:41:28,451 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:41:28,452 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:41:28,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:41:28,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:41:28,453 INFO L87 Difference]: Start difference. First operand 30030 states and 42244 transitions. Second operand 6 states. [2018-07-24 12:41:57,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:41:57,598 INFO L93 Difference]: Finished difference Result 79593 states and 117521 transitions. [2018-07-24 12:41:57,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:41:57,598 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-07-24 12:41:57,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:41:57,771 INFO L225 Difference]: With dead ends: 79593 [2018-07-24 12:41:57,772 INFO L226 Difference]: Without dead ends: 49569 [2018-07-24 12:41:57,832 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 [2018-07-24 12:41:57,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49569 states. [2018-07-24 12:41:59,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49569 to 49266. [2018-07-24 12:41:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49266 states. [2018-07-24 12:41:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49266 states to 49266 states and 67327 transitions. [2018-07-24 12:41:59,222 INFO L78 Accepts]: Start accepts. Automaton has 49266 states and 67327 transitions. Word has length 115 [2018-07-24 12:41:59,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:41:59,223 INFO L471 AbstractCegarLoop]: Abstraction has 49266 states and 67327 transitions. [2018-07-24 12:41:59,223 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:41:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 49266 states and 67327 transitions. [2018-07-24 12:41:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-24 12:41:59,225 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:41:59,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:59,225 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]=== [2018-07-24 12:41:59,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1330297299, now seen corresponding path program 1 times [2018-07-24 12:41:59,225 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:41:59,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:59,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:41:59,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:59,227 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:41:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:41:59,517 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:41:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:41:59,711 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:41:59,711 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:41:59,711 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:41:59,711 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:41:59,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:41:59,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:41:59,712 INFO L87 Difference]: Start difference. First operand 49266 states and 67327 transitions. Second operand 6 states. [2018-07-24 12:42:18,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:42:18,323 INFO L93 Difference]: Finished difference Result 108110 states and 153342 transitions. [2018-07-24 12:42:18,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:42:18,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-07-24 12:42:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:42:18,532 INFO L225 Difference]: With dead ends: 108110 [2018-07-24 12:42:18,532 INFO L226 Difference]: Without dead ends: 58850 [2018-07-24 12:42:18,655 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 [2018-07-24 12:42:18,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58850 states. [2018-07-24 12:42:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58850 to 58568. [2018-07-24 12:42:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58568 states. [2018-07-24 12:42:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58568 states to 58568 states and 79154 transitions. [2018-07-24 12:42:20,407 INFO L78 Accepts]: Start accepts. Automaton has 58568 states and 79154 transitions. Word has length 118 [2018-07-24 12:42:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:42:20,408 INFO L471 AbstractCegarLoop]: Abstraction has 58568 states and 79154 transitions. [2018-07-24 12:42:20,408 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:42:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 58568 states and 79154 transitions. [2018-07-24 12:42:20,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-24 12:42:20,414 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:42:20,414 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:42:20,414 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]=== [2018-07-24 12:42:20,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1929605932, now seen corresponding path program 1 times [2018-07-24 12:42:20,415 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:42:20,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:42:20,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:42:20,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:42:20,416 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:42:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:42:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 42 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:42:20,740 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:42:20,741 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 12:42:20,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:42:20,759 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:42:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:42:20,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:42:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-07-24 12:42:21,290 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:42:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 42 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:42:21,658 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 12:42:21,659 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 9 [2018-07-24 12:42:21,659 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:42:21,659 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:42:21,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:42:21,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:42:21,660 INFO L87 Difference]: Start difference. First operand 58568 states and 79154 transitions. Second operand 5 states. [2018-07-24 12:42:46,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:42:46,696 INFO L93 Difference]: Finished difference Result 128205 states and 179617 transitions. [2018-07-24 12:42:46,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:42:46,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2018-07-24 12:42:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:42:47,022 INFO L225 Difference]: With dead ends: 128205 [2018-07-24 12:42:47,022 INFO L226 Difference]: Without dead ends: 69643 [2018-07-24 12:42:47,200 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 409 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-07-24 12:42:47,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69643 states. [2018-07-24 12:42:48,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69643 to 69259. [2018-07-24 12:42:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69259 states. [2018-07-24 12:42:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69259 states to 69259 states and 94642 transitions. [2018-07-24 12:42:49,120 INFO L78 Accepts]: Start accepts. Automaton has 69259 states and 94642 transitions. Word has length 207 [2018-07-24 12:42:49,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:42:49,120 INFO L471 AbstractCegarLoop]: Abstraction has 69259 states and 94642 transitions. [2018-07-24 12:42:49,121 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:42:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 69259 states and 94642 transitions. [2018-07-24 12:42:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-24 12:42:49,130 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:42:49,130 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:42:49,130 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:42:49,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2033934668, now seen corresponding path program 1 times [2018-07-24 12:42:49,131 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:42:49,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:42:49,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:42:49,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:42:49,132 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:42:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:42:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 42 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:42:49,646 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:42:49,646 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:42:49,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:42:49,657 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:42:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:42:49,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:42:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-07-24 12:42:50,246 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:42:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 42 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:42:50,602 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 12:42:50,602 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-07-24 12:42:50,602 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:42:50,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:42:50,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:42:50,603 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-07-24 12:42:50,603 INFO L87 Difference]: Start difference. First operand 69259 states and 94642 transitions. Second operand 5 states. Received shutdown request... [2018-07-24 12:43:08,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:43:08,109 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 12:43:08,114 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 12:43:08,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:43:08 BoogieIcfgContainer [2018-07-24 12:43:08,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 12:43:08,116 INFO L168 Benchmark]: Toolchain (without parser) took 233372.42 ms. Allocated memory was 1.6 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -248.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-07-24 12:43:08,118 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 12:43:08,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4015.46 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 183.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -96.3 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. [2018-07-24 12:43:08,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 332.06 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 7.1 GB. [2018-07-24 12:43:08,120 INFO L168 Benchmark]: Boogie Preprocessor took 1730.92 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 906.0 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -933.6 MB). Peak memory consumption was 128.2 MB. Max. memory is 7.1 GB. [2018-07-24 12:43:08,125 INFO L168 Benchmark]: RCFGBuilder took 18289.06 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 231.2 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 303.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 12:43:08,126 INFO L168 Benchmark]: TraceAbstraction took 208997.13 ms. Allocated memory was 2.9 GB in the beginning and 3.7 GB in the end (delta: 850.9 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 417.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-24 12:43:08,132 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4015.46 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 183.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -96.3 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 332.06 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1730.92 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 906.0 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -933.6 MB). Peak memory consumption was 128.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18289.06 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 231.2 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 303.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 208997.13 ms. Allocated memory was 2.9 GB in the beginning and 3.7 GB in the end (delta: 850.9 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 417.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 79). Cancelled while BasicCegarLoop was constructing difference of abstraction (69259states) and interpolant automaton (currently 8 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (148505 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 208.9s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 196.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4581 SDtfs, 54824 SDslu, 5121 SDs, 0 SdLazy, 74488 SolverSat, 20153 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 169.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 932 GetRequests, 865 SyntacticMatches, 10 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69259occurred in iteration=7, 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: 6.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 1682 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1430 NumberOfCodeBlocks, 1430 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1848 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162274 SizeOfPredicates, 2 NumberOfNonLiveVariables, 855 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 547/867 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/Problem19_label29_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_12-43-08-148.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label29_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_12-43-08-148.csv Completed graceful shutdown