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_label59_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:42:34,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:42:34,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:42:34,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:42:34,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:42:34,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:42:34,184 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:42:34,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:42:34,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:42:34,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:42:34,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:42:34,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:42:34,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:42:34,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:42:34,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:42:34,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:42:34,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:42:34,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:42:34,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:42:34,200 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:42:34,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:42:34,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:42:34,205 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 12:42:34,205 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 12:42:34,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 12:42:34,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 12:42:34,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 12:42:34,208 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 12:42:34,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 12:42:34,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 12:42:34,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 12:42:34,211 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 12:42:34,211 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:42:34,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:42:34,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:42:34,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:42:34,214 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 12:42:34,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:42:34,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:42:34,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:42:34,245 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:42:34,246 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:42:34,246 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:42:34,247 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:42:34,247 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:42:34,247 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:42:34,247 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:42:34,248 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:42:34,248 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:42:34,249 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:42:34,249 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:42:34,249 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:42:34,249 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:42:34,249 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:42:34,250 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:42:34,250 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:42:34,250 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:42:34,250 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:42:34,251 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:42:34,252 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:42:34,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:42:34,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:42:34,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:42:34,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:42:34,253 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:42:34,253 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:42:34,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:42:34,253 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:42:34,254 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:42:34,254 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:42:34,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:42:34,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:42:34,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:42:34,343 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:42:34,343 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:42:34,344 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label59_false-unreach-call.c [2018-07-24 12:42:34,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3f940a9/9152f7a5c4ed4f129044de466fbd27da/FLAG0ecd0ea13 [2018-07-24 12:42:35,335 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:42:35,336 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label59_false-unreach-call.c [2018-07-24 12:42:35,393 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3f940a9/9152f7a5c4ed4f129044de466fbd27da/FLAG0ecd0ea13 [2018-07-24 12:42:35,416 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3f940a9/9152f7a5c4ed4f129044de466fbd27da [2018-07-24 12:42:35,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:42:35,433 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:42:35,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:42:35,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:42:35,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:42:35,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:42:35" (1/1) ... [2018-07-24 12:42:35,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342c2a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:35, skipping insertion in model container [2018-07-24 12:42:35,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:42:35" (1/1) ... [2018-07-24 12:42:35,899 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:42:37,636 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:42:37,663 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:42:39,176 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:42:39,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39 WrapperNode [2018-07-24 12:42:39,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:42:39,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:42:39,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:42:39,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:42:39,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:39,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:40,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:42:40,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:42:40,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:42:40,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:42:41,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:41,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:41,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:41,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:41,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:41,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:41,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... [2018-07-24 12:42:41,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:42:41,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:42:41,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:42:41,870 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:42:41,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:42:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:42:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:42:41,933 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 12:42:41,933 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 12:42:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:42:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:42:41,934 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 12:42:41,934 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 12:42:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:42:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:42:41,934 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 12:42:41,935 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 12:42:41,935 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 12:42:41,935 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 12:42:41,935 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 12:42:41,935 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 12:42:41,936 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 12:42:41,936 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 12:43:00,562 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:43:00,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:43:00 BoogieIcfgContainer [2018-07-24 12:43:00,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:43:00,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:43:00,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:43:00,568 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:43:00,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:42:35" (1/3) ... [2018-07-24 12:43:00,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c138d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:43:00, skipping insertion in model container [2018-07-24 12:43:00,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:42:39" (2/3) ... [2018-07-24 12:43:00,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c138d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:43:00, skipping insertion in model container [2018-07-24 12:43:00,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:43:00" (3/3) ... [2018-07-24 12:43:00,571 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label59_false-unreach-call.c [2018-07-24 12:43:00,581 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:43:00,592 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:43:00,660 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:43:00,661 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:43:00,661 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:43:00,661 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:43:00,661 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:43:00,661 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:43:00,662 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:43:00,662 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:43:00,662 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:43:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 12:43:00,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-24 12:43:00,725 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:43:00,726 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:43:00,726 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 12:43:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1607267278, now seen corresponding path program 1 times [2018-07-24 12:43:00,733 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:43:00,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:43:00,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:43:00,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:43:00,782 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:43:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:43:01,182 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:43:01,295 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 12:43:01,298 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:43:01,298 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:43:01,298 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:43:01,304 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:43:01,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:43:01,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:43:01,323 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 12:43:19,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:43:19,125 INFO L93 Difference]: Finished difference Result 5049 states and 9513 transitions. [2018-07-24 12:43:19,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:43:19,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-07-24 12:43:19,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:43:19,177 INFO L225 Difference]: With dead ends: 5049 [2018-07-24 12:43:19,177 INFO L226 Difference]: Without dead ends: 3269 [2018-07-24 12:43:19,190 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 12:43:19,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2018-07-24 12:43:19,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3218. [2018-07-24 12:43:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3218 states. [2018-07-24 12:43:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 5997 transitions. [2018-07-24 12:43:19,389 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 5997 transitions. Word has length 32 [2018-07-24 12:43:19,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:43:19,390 INFO L471 AbstractCegarLoop]: Abstraction has 3218 states and 5997 transitions. [2018-07-24 12:43:19,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:43:19,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 5997 transitions. [2018-07-24 12:43:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-24 12:43:19,400 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:43:19,400 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:19,402 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 12:43:19,403 INFO L82 PathProgramCache]: Analyzing trace with hash -859975709, now seen corresponding path program 1 times [2018-07-24 12:43:19,403 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:43:19,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:43:19,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:43:19,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:43:19,405 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:43:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:43:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:43:19,804 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:43:19,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:43:19,804 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:43:19,806 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:43:19,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:43:19,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:43:19,807 INFO L87 Difference]: Start difference. First operand 3218 states and 5997 transitions. Second operand 6 states. [2018-07-24 12:43:51,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:43:51,573 INFO L93 Difference]: Finished difference Result 12149 states and 23162 transitions. [2018-07-24 12:43:51,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:43:51,573 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-07-24 12:43:51,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:43:51,623 INFO L225 Difference]: With dead ends: 12149 [2018-07-24 12:43:51,623 INFO L226 Difference]: Without dead ends: 8937 [2018-07-24 12:43:51,638 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 [2018-07-24 12:43:51,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8937 states. [2018-07-24 12:43:51,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8937 to 8871. [2018-07-24 12:43:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8871 states. [2018-07-24 12:43:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8871 states to 8871 states and 14418 transitions. [2018-07-24 12:43:51,897 INFO L78 Accepts]: Start accepts. Automaton has 8871 states and 14418 transitions. Word has length 104 [2018-07-24 12:43:51,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:43:51,898 INFO L471 AbstractCegarLoop]: Abstraction has 8871 states and 14418 transitions. [2018-07-24 12:43:51,898 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:43:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 8871 states and 14418 transitions. [2018-07-24 12:43:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-24 12:43:51,903 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:43:51,904 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:51,904 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 12:43:51,904 INFO L82 PathProgramCache]: Analyzing trace with hash 303441969, now seen corresponding path program 1 times [2018-07-24 12:43:51,904 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:43:51,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:43:51,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:43:51,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:43:51,906 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:43:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:43:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:43:52,094 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:43:52,094 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 12:43:52,094 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:43:52,095 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:43:52,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:43:52,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 12:43:52,096 INFO L87 Difference]: Start difference. First operand 8871 states and 14418 transitions. Second operand 5 states. [2018-07-24 12:44:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:44:23,986 INFO L93 Difference]: Finished difference Result 26960 states and 44553 transitions. [2018-07-24 12:44:23,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:44:23,987 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2018-07-24 12:44:23,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:44:24,083 INFO L225 Difference]: With dead ends: 26960 [2018-07-24 12:44:24,083 INFO L226 Difference]: Without dead ends: 18095 [2018-07-24 12:44:24,112 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 12:44:24,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18095 states. [2018-07-24 12:44:24,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18095 to 17800. [2018-07-24 12:44:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17800 states. [2018-07-24 12:44:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17800 states to 17800 states and 25681 transitions. [2018-07-24 12:44:24,580 INFO L78 Accepts]: Start accepts. Automaton has 17800 states and 25681 transitions. Word has length 106 [2018-07-24 12:44:24,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:44:24,581 INFO L471 AbstractCegarLoop]: Abstraction has 17800 states and 25681 transitions. [2018-07-24 12:44:24,581 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:44:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 17800 states and 25681 transitions. [2018-07-24 12:44:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-24 12:44:24,587 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:44:24,588 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:24,588 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 12:44:24,588 INFO L82 PathProgramCache]: Analyzing trace with hash -372172997, now seen corresponding path program 1 times [2018-07-24 12:44:24,589 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:44:24,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:44:24,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:44:24,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:44:24,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:44:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:44:24,915 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:44:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:44:25,325 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:44:25,325 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:44:25,325 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:44:25,326 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:44:25,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:44:25,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:44:25,326 INFO L87 Difference]: Start difference. First operand 17800 states and 25681 transitions. Second operand 6 states. [2018-07-24 12:44:54,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:44:54,056 INFO L93 Difference]: Finished difference Result 49556 states and 73366 transitions. [2018-07-24 12:44:54,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:44:54,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-07-24 12:44:54,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:44:54,192 INFO L225 Difference]: With dead ends: 49556 [2018-07-24 12:44:54,192 INFO L226 Difference]: Without dead ends: 31762 [2018-07-24 12:44:54,262 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 [2018-07-24 12:44:54,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31762 states. [2018-07-24 12:44:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31762 to 31461. [2018-07-24 12:44:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31461 states. [2018-07-24 12:44:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31461 states to 31461 states and 44346 transitions. [2018-07-24 12:44:54,957 INFO L78 Accepts]: Start accepts. Automaton has 31461 states and 44346 transitions. Word has length 111 [2018-07-24 12:44:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:44:54,958 INFO L471 AbstractCegarLoop]: Abstraction has 31461 states and 44346 transitions. [2018-07-24 12:44:54,958 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:44:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 31461 states and 44346 transitions. [2018-07-24 12:44:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-24 12:44:54,960 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:44:54,960 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:54,960 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 12:44:54,961 INFO L82 PathProgramCache]: Analyzing trace with hash -315078419, now seen corresponding path program 1 times [2018-07-24 12:44:54,961 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:44:54,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:44:54,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:44:54,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:44:54,965 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:44:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:44:55,239 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:44:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:44:55,635 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:44:55,635 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:44:55,635 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:44:55,636 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:44:55,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:44:55,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:44:55,636 INFO L87 Difference]: Start difference. First operand 31461 states and 44346 transitions. Second operand 6 states. [2018-07-24 12:45:21,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:21,392 INFO L93 Difference]: Finished difference Result 81048 states and 119855 transitions. [2018-07-24 12:45:21,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:45:21,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-07-24 12:45:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:21,582 INFO L225 Difference]: With dead ends: 81048 [2018-07-24 12:45:21,583 INFO L226 Difference]: Without dead ends: 49593 [2018-07-24 12:45:21,663 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 [2018-07-24 12:45:21,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49593 states. [2018-07-24 12:45:22,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49593 to 49282. [2018-07-24 12:45:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49282 states. [2018-07-24 12:45:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49282 states to 49282 states and 67279 transitions. [2018-07-24 12:45:23,074 INFO L78 Accepts]: Start accepts. Automaton has 49282 states and 67279 transitions. Word has length 119 [2018-07-24 12:45:23,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:23,074 INFO L471 AbstractCegarLoop]: Abstraction has 49282 states and 67279 transitions. [2018-07-24 12:45:23,074 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:45:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 49282 states and 67279 transitions. [2018-07-24 12:45:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-24 12:45:23,076 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:23,076 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:45:23,077 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 12:45:23,077 INFO L82 PathProgramCache]: Analyzing trace with hash 670441891, now seen corresponding path program 1 times [2018-07-24 12:45:23,077 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:23,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:23,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:23,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:23,078 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:23,354 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:45:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:23,415 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:45:23,416 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:45:23,416 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:45:23,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:45:23,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:45:23,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:45:23,417 INFO L87 Difference]: Start difference. First operand 49282 states and 67279 transitions. Second operand 6 states. [2018-07-24 12:45:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:45:43,545 INFO L93 Difference]: Finished difference Result 109554 states and 155491 transitions. [2018-07-24 12:45:43,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:45:43,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-07-24 12:45:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:45:43,772 INFO L225 Difference]: With dead ends: 109554 [2018-07-24 12:45:43,772 INFO L226 Difference]: Without dead ends: 60278 [2018-07-24 12:45:43,856 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 12:45:43,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60278 states. [2018-07-24 12:45:45,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60278 to 59991. [2018-07-24 12:45:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59991 states. [2018-07-24 12:45:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59991 states to 59991 states and 81051 transitions. [2018-07-24 12:45:45,705 INFO L78 Accepts]: Start accepts. Automaton has 59991 states and 81051 transitions. Word has length 122 [2018-07-24 12:45:45,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:45:45,707 INFO L471 AbstractCegarLoop]: Abstraction has 59991 states and 81051 transitions. [2018-07-24 12:45:45,707 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:45:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 59991 states and 81051 transitions. [2018-07-24 12:45:45,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-24 12:45:45,711 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:45:45,711 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:45:45,716 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 12:45:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1532286349, now seen corresponding path program 1 times [2018-07-24 12:45:45,717 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:45:45,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:45,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:45:45,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:45:45,718 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:45:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:45:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:45:46,043 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:45:46,043 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 12:45:46,043 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:45:46,044 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:45:46,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:45:46,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 12:45:46,044 INFO L87 Difference]: Start difference. First operand 59991 states and 81051 transitions. Second operand 5 states. [2018-07-24 12:46:35,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:46:35,252 INFO L93 Difference]: Finished difference Result 201004 states and 286919 transitions. [2018-07-24 12:46:35,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:46:35,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-07-24 12:46:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:46:35,727 INFO L225 Difference]: With dead ends: 201004 [2018-07-24 12:46:35,728 INFO L226 Difference]: Without dead ends: 141019 [2018-07-24 12:46:35,869 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 12:46:35,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141019 states. [2018-07-24 12:46:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141019 to 139687. [2018-07-24 12:46:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139687 states. [2018-07-24 12:46:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139687 states to 139687 states and 181674 transitions. [2018-07-24 12:46:38,904 INFO L78 Accepts]: Start accepts. Automaton has 139687 states and 181674 transitions. Word has length 146 [2018-07-24 12:46:38,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:46:38,904 INFO L471 AbstractCegarLoop]: Abstraction has 139687 states and 181674 transitions. [2018-07-24 12:46:38,904 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:46:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 139687 states and 181674 transitions. [2018-07-24 12:46:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-24 12:46:38,911 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:46:38,911 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:46:38,911 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 12:46:38,912 INFO L82 PathProgramCache]: Analyzing trace with hash 578416390, now seen corresponding path program 1 times [2018-07-24 12:46:38,912 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:46:38,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:46:38,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:46:38,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:46:38,913 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:46:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:46:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:46:39,254 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:46:39,254 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 12:46:39,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:46:39,270 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:46:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:46:39,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:46:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-07-24 12:46:39,644 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:46:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 12:46:40,212 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 12:46:40,212 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-07-24 12:46:40,213 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:46:40,214 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:46:40,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:46:40,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-24 12:46:40,215 INFO L87 Difference]: Start difference. First operand 139687 states and 181674 transitions. Second operand 5 states. Received shutdown request... [2018-07-24 12:46:40,372 WARN L177 SmtUtils]: Removed 3 from assertion stack [2018-07-24 12:46:40,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:46:40,373 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 12:46:40,380 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 12:46:40,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:46:40 BoogieIcfgContainer [2018-07-24 12:46:40,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 12:46:40,382 INFO L168 Benchmark]: Toolchain (without parser) took 244950.15 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -126.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-24 12:46:40,385 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 12:46:40,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4306.73 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 164.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -89.2 MB). Peak memory consumption was 464.8 MB. Max. memory is 7.1 GB. [2018-07-24 12:46:40,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 349.69 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2018-07-24 12:46:40,392 INFO L168 Benchmark]: Boogie Preprocessor took 1778.00 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 891.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -894.3 MB). Peak memory consumption was 133.8 MB. Max. memory is 7.1 GB. [2018-07-24 12:46:40,399 INFO L168 Benchmark]: RCFGBuilder took 18693.97 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 209.7 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 320.7 MB). Peak memory consumption was 994.8 MB. Max. memory is 7.1 GB. [2018-07-24 12:46:40,400 INFO L168 Benchmark]: TraceAbstraction took 219816.47 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 813.2 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 490.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-24 12:46:40,410 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4306.73 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 164.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -89.2 MB). Peak memory consumption was 464.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 349.69 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1778.00 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 891.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -894.3 MB). Peak memory consumption was 133.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18693.97 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 209.7 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 320.7 MB). Peak memory consumption was 994.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219816.47 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 813.2 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 490.0 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: 91]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 91). Cancelled while BasicCegarLoop was constructing difference of abstraction (139687states) and interpolant automaton (currently 4 states, 5 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 8. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 219.7s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 207.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4098 SDtfs, 48967 SDslu, 4603 SDs, 0 SdLazy, 71958 SolverSat, 20526 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 181.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 471 SyntacticMatches, 7 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139687occurred 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: 7.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 2643 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1196 NumberOfCodeBlocks, 1196 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1414 ConstructedInterpolants, 0 QuantifiedInterpolants, 759906 SizeOfPredicates, 1 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 392/546 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_label59_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_12-46-40-442.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label59_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_12-46-40-442.csv Completed graceful shutdown