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_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 15:15:04,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 15:15:04,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 15:15:04,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 15:15:05,000 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 15:15:05,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 15:15:05,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 15:15:05,005 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 15:15:05,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 15:15:05,010 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 15:15:05,011 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 15:15:05,011 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 15:15:05,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 15:15:05,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 15:15:05,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 15:15:05,023 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 15:15:05,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 15:15:05,026 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 15:15:05,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 15:15:05,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 15:15:05,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 15:15:05,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 15:15:05,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 15:15:05,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 15:15:05,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 15:15:05,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 15:15:05,045 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 15:15:05,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 15:15:05,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 15:15:05,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 15:15:05,050 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 15:15:05,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 15:15:05,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 15:15:05,051 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 15:15:05,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 15:15:05,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 15:15:05,053 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 15:15:05,081 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 15:15:05,081 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 15:15:05,082 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 15:15:05,082 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 15:15:05,083 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 15:15:05,083 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 15:15:05,083 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 15:15:05,084 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 15:15:05,084 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 15:15:05,084 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 15:15:05,084 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 15:15:05,085 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 15:15:05,085 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 15:15:05,085 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 15:15:05,086 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 15:15:05,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 15:15:05,086 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 15:15:05,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 15:15:05,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 15:15:05,087 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 15:15:05,087 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 15:15:05,087 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 15:15:05,087 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 15:15:05,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:15:05,088 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 15:15:05,088 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 15:15:05,088 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 15:15:05,088 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 15:15:05,089 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 15:15:05,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 15:15:05,089 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 15:15:05,089 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 15:15:05,089 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 15:15:05,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 15:15:05,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 15:15:05,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 15:15:05,166 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 15:15:05,166 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 15:15:05,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-07-24 15:15:05,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5b9dc6e/6a6923de1c6b48fb855eaa4566fb950c/FLAG048e9b5e9 [2018-07-24 15:15:06,174 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 15:15:06,175 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-07-24 15:15:06,231 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5b9dc6e/6a6923de1c6b48fb855eaa4566fb950c/FLAG048e9b5e9 [2018-07-24 15:15:06,251 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5b9dc6e/6a6923de1c6b48fb855eaa4566fb950c [2018-07-24 15:15:06,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 15:15:06,267 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 15:15:06,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 15:15:06,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 15:15:06,278 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 15:15:06,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:15:06" (1/1) ... [2018-07-24 15:15:06,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cca5ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:06, skipping insertion in model container [2018-07-24 15:15:06,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:15:06" (1/1) ... [2018-07-24 15:15:06,748 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 15:15:08,392 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:15:08,409 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 15:15:09,649 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:15:10,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10 WrapperNode [2018-07-24 15:15:10,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 15:15:10,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 15:15:10,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 15:15:10,427 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 15:15:10,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:10,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:10,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 15:15:10,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 15:15:10,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 15:15:10,774 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 15:15:12,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:12,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:12,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:12,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:12,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:12,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:12,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (1/1) ... [2018-07-24 15:15:13,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 15:15:13,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 15:15:13,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 15:15:13,238 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 15:15:13,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (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 15:15:13,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 15:15:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 15:15:13,311 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-24 15:15:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-24 15:15:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 15:15:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 15:15:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-07-24 15:15:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-07-24 15:15:13,312 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 15:15:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 15:15:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 15:15:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 15:15:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 15:15:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 15:15:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 15:15:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 15:15:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 15:15:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 15:15:35,447 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 15:15:35,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:15:35 BoogieIcfgContainer [2018-07-24 15:15:35,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 15:15:35,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 15:15:35,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 15:15:35,455 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 15:15:35,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:15:06" (1/3) ... [2018-07-24 15:15:35,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560aa9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:15:35, skipping insertion in model container [2018-07-24 15:15:35,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:10" (2/3) ... [2018-07-24 15:15:35,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560aa9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:15:35, skipping insertion in model container [2018-07-24 15:15:35,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:15:35" (3/3) ... [2018-07-24 15:15:35,462 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label52_true-unreach-call.c [2018-07-24 15:15:35,474 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 15:15:35,485 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 15:15:35,550 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 15:15:35,551 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 15:15:35,551 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 15:15:35,551 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 15:15:35,552 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 15:15:35,552 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 15:15:35,552 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 15:15:35,552 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 15:15:35,552 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 15:15:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 15:15:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-24 15:15:35,619 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:15:35,620 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:15:35,620 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:15:35,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1640649018, now seen corresponding path program 1 times [2018-07-24 15:15:35,627 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:15:35,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:35,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:15:35,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:35,680 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:15:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:15:36,163 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 15:15:36,165 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:15:36,165 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 15:15:36,165 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:15:36,171 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:15:36,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:15:36,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:15:36,190 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 15:15:53,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:15:53,176 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-07-24 15:15:53,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:15:53,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-07-24 15:15:53,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:15:53,233 INFO L225 Difference]: With dead ends: 4998 [2018-07-24 15:15:53,233 INFO L226 Difference]: Without dead ends: 3218 [2018-07-24 15:15:53,245 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:15:53,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-07-24 15:15:53,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-07-24 15:15:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-07-24 15:15:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-07-24 15:15:53,428 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 62 [2018-07-24 15:15:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:15:53,429 INFO L471 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-07-24 15:15:53,429 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:15:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-07-24 15:15:53,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-24 15:15:53,443 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:15:53,443 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:15:53,444 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:15:53,444 INFO L82 PathProgramCache]: Analyzing trace with hash 34068091, now seen corresponding path program 1 times [2018-07-24 15:15:53,444 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:15:53,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:53,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:15:53,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:53,446 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:15:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:15:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:15:54,033 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:15:54,033 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:15:54,033 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:15:54,036 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:15:54,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:15:54,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:15:54,037 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-07-24 15:16:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:16:29,592 INFO L93 Difference]: Finished difference Result 9683 states and 17692 transitions. [2018-07-24 15:16:29,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:16:29,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-07-24 15:16:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:16:29,644 INFO L225 Difference]: With dead ends: 9683 [2018-07-24 15:16:29,645 INFO L226 Difference]: Without dead ends: 6474 [2018-07-24 15:16:29,656 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:16:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2018-07-24 15:16:29,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6371. [2018-07-24 15:16:29,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6371 states. [2018-07-24 15:16:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 9959 transitions. [2018-07-24 15:16:29,845 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 9959 transitions. Word has length 134 [2018-07-24 15:16:29,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:16:29,846 INFO L471 AbstractCegarLoop]: Abstraction has 6371 states and 9959 transitions. [2018-07-24 15:16:29,846 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:16:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 9959 transitions. [2018-07-24 15:16:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-24 15:16:29,850 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:16:29,850 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:16:29,850 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:16:29,850 INFO L82 PathProgramCache]: Analyzing trace with hash -671566896, now seen corresponding path program 1 times [2018-07-24 15:16:29,851 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:16:29,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:29,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:16:29,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:29,854 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:16:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:16:30,186 WARN L169 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:16:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:16:30,567 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:16:30,568 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:16:30,568 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:16:30,569 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:16:30,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:16:30,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:16:30,570 INFO L87 Difference]: Start difference. First operand 6371 states and 9959 transitions. Second operand 6 states. [2018-07-24 15:17:03,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:17:03,005 INFO L93 Difference]: Finished difference Result 24553 states and 39540 transitions. [2018-07-24 15:17:03,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:17:03,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-07-24 15:17:03,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:17:03,091 INFO L225 Difference]: With dead ends: 24553 [2018-07-24 15:17:03,092 INFO L226 Difference]: Without dead ends: 18188 [2018-07-24 15:17:03,118 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 15:17:03,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18188 states. [2018-07-24 15:17:03,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18188 to 17977. [2018-07-24 15:17:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17977 states. [2018-07-24 15:17:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17977 states to 17977 states and 26506 transitions. [2018-07-24 15:17:03,546 INFO L78 Accepts]: Start accepts. Automaton has 17977 states and 26506 transitions. Word has length 136 [2018-07-24 15:17:03,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:17:03,547 INFO L471 AbstractCegarLoop]: Abstraction has 17977 states and 26506 transitions. [2018-07-24 15:17:03,547 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:17:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 17977 states and 26506 transitions. [2018-07-24 15:17:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-24 15:17:03,552 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:17:03,553 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:17:03,553 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:17:03,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1062853705, now seen corresponding path program 1 times [2018-07-24 15:17:03,557 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:17:03,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:17:03,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:17:03,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:17:03,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:17:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:17:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:17:03,927 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:17:03,927 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-24 15:17:03,927 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:17:03,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 15:17:03,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 15:17:03,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-24 15:17:03,929 INFO L87 Difference]: Start difference. First operand 17977 states and 26506 transitions. Second operand 7 states. [2018-07-24 15:18:00,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:18:00,322 INFO L93 Difference]: Finished difference Result 72431 states and 117118 transitions. [2018-07-24 15:18:00,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:18:00,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2018-07-24 15:18:00,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:18:00,562 INFO L225 Difference]: With dead ends: 72431 [2018-07-24 15:18:00,563 INFO L226 Difference]: Without dead ends: 54460 [2018-07-24 15:18:00,689 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:18:00,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54460 states. [2018-07-24 15:18:01,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54460 to 54058. [2018-07-24 15:18:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54058 states. [2018-07-24 15:18:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54058 states to 54058 states and 76377 transitions. [2018-07-24 15:18:02,108 INFO L78 Accepts]: Start accepts. Automaton has 54058 states and 76377 transitions. Word has length 186 [2018-07-24 15:18:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:18:02,109 INFO L471 AbstractCegarLoop]: Abstraction has 54058 states and 76377 transitions. [2018-07-24 15:18:02,109 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 15:18:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 54058 states and 76377 transitions. [2018-07-24 15:18:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-24 15:18:02,115 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:18:02,116 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:18:02,116 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:18:02,116 INFO L82 PathProgramCache]: Analyzing trace with hash -754872318, now seen corresponding path program 1 times [2018-07-24 15:18:02,117 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:18:02,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:02,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:18:02,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:02,118 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:18:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:18:02,402 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:18:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:18:02,837 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:18:02,837 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:18:02,837 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:18:02,838 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:18:02,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:18:02,838 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:18:02,839 INFO L87 Difference]: Start difference. First operand 54058 states and 76377 transitions. Second operand 6 states. [2018-07-24 15:18:32,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:18:32,368 INFO L93 Difference]: Finished difference Result 144864 states and 218817 transitions. [2018-07-24 15:18:32,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:18:32,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-07-24 15:18:32,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:18:32,681 INFO L225 Difference]: With dead ends: 144864 [2018-07-24 15:18:32,681 INFO L226 Difference]: Without dead ends: 90812 [2018-07-24 15:18:32,813 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 15:18:32,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90812 states. [2018-07-24 15:18:34,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90812 to 90138. [2018-07-24 15:18:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90138 states. [2018-07-24 15:18:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90138 states to 90138 states and 127830 transitions. [2018-07-24 15:18:34,707 INFO L78 Accepts]: Start accepts. Automaton has 90138 states and 127830 transitions. Word has length 195 [2018-07-24 15:18:34,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:18:34,708 INFO L471 AbstractCegarLoop]: Abstraction has 90138 states and 127830 transitions. [2018-07-24 15:18:34,708 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:18:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 90138 states and 127830 transitions. [2018-07-24 15:18:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-24 15:18:34,725 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:18:34,725 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, 3, 3, 3, 3, 3, 3, 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, 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 15:18:34,726 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:18:34,726 INFO L82 PathProgramCache]: Analyzing trace with hash 979623087, now seen corresponding path program 1 times [2018-07-24 15:18:34,726 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:18:34,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:34,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:18:34,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:34,727 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:18:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:18:35,134 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 110 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:18:35,134 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:18:35,134 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 15:18:35,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:18:35,144 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:18:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:18:35,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:18:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-07-24 15:18:35,372 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:18:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-07-24 15:18:35,536 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 15:18:35,537 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-07-24 15:18:35,537 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:18:35,538 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:18:35,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:18:35,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-24 15:18:35,541 INFO L87 Difference]: Start difference. First operand 90138 states and 127830 transitions. Second operand 3 states. [2018-07-24 15:18:57,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:18:57,607 INFO L93 Difference]: Finished difference Result 209048 states and 312361 transitions. [2018-07-24 15:18:57,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:18:57,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2018-07-24 15:18:57,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:18:58,131 INFO L225 Difference]: With dead ends: 209048 [2018-07-24 15:18:58,132 INFO L226 Difference]: Without dead ends: 118916 [2018-07-24 15:18:58,321 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-24 15:18:58,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118916 states. [2018-07-24 15:19:01,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118916 to 118862. [2018-07-24 15:19:01,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118862 states. [2018-07-24 15:19:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118862 states to 118862 states and 167909 transitions. [2018-07-24 15:19:01,611 INFO L78 Accepts]: Start accepts. Automaton has 118862 states and 167909 transitions. Word has length 246 [2018-07-24 15:19:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:19:01,612 INFO L471 AbstractCegarLoop]: Abstraction has 118862 states and 167909 transitions. [2018-07-24 15:19:01,612 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:19:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 118862 states and 167909 transitions. [2018-07-24 15:19:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-07-24 15:19:01,643 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:19:01,644 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 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 15:19:01,644 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:19:01,644 INFO L82 PathProgramCache]: Analyzing trace with hash 682734885, now seen corresponding path program 1 times [2018-07-24 15:19:01,644 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:19:01,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:19:01,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:19:01,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:19:01,646 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:19:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:19:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 165 proven. 145 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-07-24 15:19:01,912 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:19:01,912 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 15:19:01,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:19:01,919 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:19:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:19:02,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:19:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-07-24 15:19:02,149 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:19:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 165 proven. 145 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-07-24 15:19:02,379 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 15:19:02,380 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-07-24 15:19:02,380 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:19:02,381 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:19:02,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:19:02,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:19:02,381 INFO L87 Difference]: Start difference. First operand 118862 states and 167909 transitions. Second operand 5 states. Received shutdown request... [2018-07-24 15:19:06,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:19:06,411 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 15:19:06,416 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 15:19:06,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:19:06 BoogieIcfgContainer [2018-07-24 15:19:06,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 15:19:06,418 INFO L168 Benchmark]: Toolchain (without parser) took 240152.63 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -96.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-07-24 15:19:06,419 INFO L168 Benchmark]: CDTParser took 0.50 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 15:19:06,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4158.60 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 215.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -132.0 MB). Peak memory consumption was 490.7 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:06,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 346.04 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:06,421 INFO L168 Benchmark]: Boogie Preprocessor took 2463.84 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 826.3 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -831.7 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:06,422 INFO L168 Benchmark]: RCFGBuilder took 22210.55 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 313.0 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 216.0 MB). Peak memory consumption was 997.1 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:06,423 INFO L168 Benchmark]: TraceAbstraction took 210968.02 ms. Allocated memory was 2.9 GB in the beginning and 3.8 GB in the end (delta: 933.2 MB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 587.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-07-24 15:19:06,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 4158.60 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 215.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -132.0 MB). Peak memory consumption was 490.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 346.04 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2463.84 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 826.3 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -831.7 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 22210.55 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 313.0 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 216.0 MB). Peak memory consumption was 997.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210968.02 ms. Allocated memory was 2.9 GB in the beginning and 3.8 GB in the end (delta: 933.2 MB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 587.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 181). Cancelled while BasicCegarLoop was constructing difference of abstraction (118862states) and interpolant automaton (currently 8 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (37114 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 210.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 198.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6493 SDtfs, 32182 SDslu, 5008 SDs, 0 SdLazy, 64375 SolverSat, 16082 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 174.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1177 GetRequests, 1129 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118862occurred in iteration=6, 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: 7.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1447 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1831 NumberOfCodeBlocks, 1831 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2379 ConstructedInterpolants, 0 QuantifiedInterpolants, 1444955 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1033 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1614/1987 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_label52_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_15-19-06-461.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label52_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_15-19-06-461.csv Completed graceful shutdown