java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem05_label36_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 23:44:07,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 23:44:07,180 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 23:44:07,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 23:44:07,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 23:44:07,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 23:44:07,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 23:44:07,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 23:44:07,211 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 23:44:07,212 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 23:44:07,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 23:44:07,213 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 23:44:07,221 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 23:44:07,222 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 23:44:07,223 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 23:44:07,224 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 23:44:07,225 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 23:44:07,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 23:44:07,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 23:44:07,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 23:44:07,236 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 23:44:07,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 23:44:07,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-20 23:44:07,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-20 23:44:07,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-20 23:44:07,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-20 23:44:07,247 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-20 23:44:07,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-20 23:44:07,248 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-20 23:44:07,249 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-20 23:44:07,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-20 23:44:07,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-20 23:44:07,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-20 23:44:07,254 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-20 23:44:07,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-20 23:44:07,256 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-20 23:44:07,256 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-20 23:44:07,286 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 23:44:07,286 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 23:44:07,287 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 23:44:07,287 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 23:44:07,287 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 23:44:07,288 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 23:44:07,288 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 23:44:07,288 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 23:44:07,288 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 23:44:07,288 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 23:44:07,288 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 23:44:07,289 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 23:44:07,290 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 23:44:07,290 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 23:44:07,290 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 23:44:07,291 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 23:44:07,291 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 23:44:07,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 23:44:07,291 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 23:44:07,291 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 23:44:07,292 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 23:44:07,292 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 23:44:07,292 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 23:44:07,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 23:44:07,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 23:44:07,292 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 23:44:07,293 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 23:44:07,293 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 23:44:07,293 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 23:44:07,293 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 23:44:07,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 23:44:07,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 23:44:07,294 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 23:44:07,294 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 23:44:07,294 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 23:44:07,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 23:44:07,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 23:44:07,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 23:44:07,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 23:44:07,376 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 23:44:07,377 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label36_false-unreach-call.c [2018-07-20 23:44:07,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/97179d2d0/216f3c11b1c84c2d946e62f74149789d/FLAG203b42fa3 [2018-07-20 23:44:08,553 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 23:44:08,553 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label36_false-unreach-call.c [2018-07-20 23:44:08,612 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/97179d2d0/216f3c11b1c84c2d946e62f74149789d/FLAG203b42fa3 [2018-07-20 23:44:08,636 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/97179d2d0/216f3c11b1c84c2d946e62f74149789d [2018-07-20 23:44:08,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 23:44:08,657 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 23:44:08,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 23:44:08,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 23:44:08,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 23:44:08,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:44:08" (1/1) ... [2018-07-20 23:44:08,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18723aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:08, skipping insertion in model container [2018-07-20 23:44:08,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:44:08" (1/1) ... [2018-07-20 23:44:09,208 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 23:44:11,416 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 23:44:11,438 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 23:44:13,122 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 23:44:13,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13 WrapperNode [2018-07-20 23:44:13,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 23:44:13,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 23:44:13,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 23:44:13,384 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 23:44:13,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:13,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:13,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 23:44:13,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 23:44:13,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 23:44:13,588 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 23:44:13,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:13,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:13,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:13,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:13,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:13,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:14,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... [2018-07-20 23:44:14,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 23:44:14,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 23:44:14,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 23:44:14,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 23:44:14,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (1/1) ... No working directory specified, using /storage/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 [2018-07-20 23:44:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output8 [2018-07-20 23:44:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output8 [2018-07-20 23:44:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output7 [2018-07-20 23:44:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output7 [2018-07-20 23:44:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-20 23:44:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-20 23:44:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-20 23:44:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-20 23:44:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-20 23:44:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-20 23:44:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 23:44:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 23:44:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-20 23:44:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-20 23:44:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 23:44:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 23:44:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-20 23:44:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-20 23:44:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 23:44:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 23:44:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-20 23:44:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-20 23:44:29,320 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 23:44:29,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:44:29 BoogieIcfgContainer [2018-07-20 23:44:29,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 23:44:29,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 23:44:29,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 23:44:29,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 23:44:29,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:44:08" (1/3) ... [2018-07-20 23:44:29,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2fa23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:44:29, skipping insertion in model container [2018-07-20 23:44:29,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:44:13" (2/3) ... [2018-07-20 23:44:29,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2fa23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:44:29, skipping insertion in model container [2018-07-20 23:44:29,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:44:29" (3/3) ... [2018-07-20 23:44:29,339 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label36_false-unreach-call.c [2018-07-20 23:44:29,349 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 23:44:29,359 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 23:44:29,440 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 23:44:29,441 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 23:44:29,441 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 23:44:29,442 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 23:44:29,442 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 23:44:29,442 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 23:44:29,442 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 23:44:29,442 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 23:44:29,442 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 23:44:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states. [2018-07-20 23:44:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1674 [2018-07-20 23:44:29,653 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 23:44:29,657 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 23:44:29,657 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-20 23:44:29,664 INFO L82 PathProgramCache]: Analyzing trace with hash 946516163, now seen corresponding path program 1 times [2018-07-20 23:44:29,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 23:44:29,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:44:29,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 23:44:29,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:44:29,714 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 23:44:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 23:44:32,641 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-20 23:44:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 23:44:35,917 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 23:44:35,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 23:44:35,917 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 23:44:35,927 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 23:44:35,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 23:44:35,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 23:44:35,940 INFO L87 Difference]: Start difference. First operand 2223 states. Second operand 3 states. [2018-07-20 23:44:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 23:44:46,940 INFO L93 Difference]: Finished difference Result 6331 states and 11927 transitions. [2018-07-20 23:44:46,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 23:44:46,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1673 [2018-07-20 23:44:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 23:44:47,011 INFO L225 Difference]: With dead ends: 6331 [2018-07-20 23:44:47,011 INFO L226 Difference]: Without dead ends: 4106 [2018-07-20 23:44:47,027 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 9 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 23:44:47,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4106 states. [2018-07-20 23:44:47,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4106 to 4031. [2018-07-20 23:44:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4031 states. [2018-07-20 23:44:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 4031 states and 7494 transitions. [2018-07-20 23:44:47,301 INFO L78 Accepts]: Start accepts. Automaton has 4031 states and 7494 transitions. Word has length 1673 [2018-07-20 23:44:47,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 23:44:47,309 INFO L471 AbstractCegarLoop]: Abstraction has 4031 states and 7494 transitions. [2018-07-20 23:44:47,309 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 23:44:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 4031 states and 7494 transitions. [2018-07-20 23:44:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1684 [2018-07-20 23:44:47,458 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 23:44:47,459 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 23:44:47,459 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-20 23:44:47,461 INFO L82 PathProgramCache]: Analyzing trace with hash -988049599, now seen corresponding path program 1 times [2018-07-20 23:44:47,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 23:44:47,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:44:47,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 23:44:47,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:44:47,463 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 23:44:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 23:44:47,953 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-20 23:44:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 23:44:49,250 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 23:44:49,250 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-20 23:44:49,250 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 23:44:49,254 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 23:44:49,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 23:44:49,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-20 23:44:49,255 INFO L87 Difference]: Start difference. First operand 4031 states and 7494 transitions. Second operand 5 states. [2018-07-20 23:45:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 23:45:01,939 INFO L93 Difference]: Finished difference Result 11768 states and 22171 transitions. [2018-07-20 23:45:01,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-20 23:45:01,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1683 [2018-07-20 23:45:01,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 23:45:01,994 INFO L225 Difference]: With dead ends: 11768 [2018-07-20 23:45:01,995 INFO L226 Difference]: Without dead ends: 7743 [2018-07-20 23:45:02,009 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-20 23:45:02,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7743 states. [2018-07-20 23:45:02,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7743 to 7662. [2018-07-20 23:45:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7662 states. [2018-07-20 23:45:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7662 states to 7662 states and 13552 transitions. [2018-07-20 23:45:02,338 INFO L78 Accepts]: Start accepts. Automaton has 7662 states and 13552 transitions. Word has length 1683 [2018-07-20 23:45:02,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 23:45:02,338 INFO L471 AbstractCegarLoop]: Abstraction has 7662 states and 13552 transitions. [2018-07-20 23:45:02,338 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 23:45:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 7662 states and 13552 transitions. [2018-07-20 23:45:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1690 [2018-07-20 23:45:02,413 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 23:45:02,415 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 23:45:02,415 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-20 23:45:02,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1132857811, now seen corresponding path program 1 times [2018-07-20 23:45:02,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 23:45:02,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:45:02,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 23:45:02,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:45:02,419 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 23:45:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 23:45:02,879 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-20 23:45:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 23:45:04,332 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 23:45:04,332 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-20 23:45:04,332 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 23:45:04,334 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 23:45:04,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 23:45:04,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-20 23:45:04,335 INFO L87 Difference]: Start difference. First operand 7662 states and 13552 transitions. Second operand 5 states. [2018-07-20 23:45:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 23:45:13,583 INFO L93 Difference]: Finished difference Result 22968 states and 41688 transitions. [2018-07-20 23:45:13,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-20 23:45:13,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1689 [2018-07-20 23:45:13,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 23:45:13,668 INFO L225 Difference]: With dead ends: 22968 [2018-07-20 23:45:13,669 INFO L226 Difference]: Without dead ends: 15312 [2018-07-20 23:45:13,699 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-20 23:45:13,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15312 states. [2018-07-20 23:45:14,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15312 to 15095. [2018-07-20 23:45:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15095 states. [2018-07-20 23:45:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15095 states to 15095 states and 26431 transitions. [2018-07-20 23:45:14,227 INFO L78 Accepts]: Start accepts. Automaton has 15095 states and 26431 transitions. Word has length 1689 [2018-07-20 23:45:14,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 23:45:14,227 INFO L471 AbstractCegarLoop]: Abstraction has 15095 states and 26431 transitions. [2018-07-20 23:45:14,228 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 23:45:14,228 INFO L276 IsEmpty]: Start isEmpty. Operand 15095 states and 26431 transitions. [2018-07-20 23:45:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1713 [2018-07-20 23:45:14,308 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 23:45:14,310 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 23:45:14,310 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-20 23:45:14,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1213238015, now seen corresponding path program 1 times [2018-07-20 23:45:14,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 23:45:14,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:45:14,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 23:45:14,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 23:45:14,313 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 23:45:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 23:45:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 23:45:16,396 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 23:45:16,396 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 23:45:16,398 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 1713 with the following transitions: [2018-07-20 23:45:16,408 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [117], [121], [125], [129], [140], [144], [148], [152], [156], [160], [164], [175], [179], [183], [187], [191], [195], [199], [203], [207], [211], [215], [219], [223], [227], [231], [235], [239], [243], [247], [251], [255], [259], [263], [267], [271], [275], [279], [290], [294], [298], [309], [313], [317], [328], [332], [336], [340], [344], [348], [352], [356], [360], [364], [368], [372], [376], [380], [384], [388], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], 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[8217], [8228], [8232], [8236], [8240], [8244], [8248], [8252], [8256], [8260], [8271], [8275], [8279], [8283], [8287], [8298], [8302], [8306], [8310], [8314], [8318], [8322], [8326], [8337], [8341], [8345], [8349], [8353], [8357], [8368], [8372], [8383], [8387], [8391], [8395], [8406], [8410], [8414], [8418], [8422], [8426], [8430], [8441], [8452], [8456], [8460], [8464], [8468], [8472], [8476], [8480], [8484], [8488], [8492], [8496], [8500], [8504], [8508], [8512], [8516], [8519], [8520], [8522], [8524], [8526], [8528], [8530], [8531], [8532], [8534], [8536], [8537], [8538] [2018-07-20 23:45:16,575 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 23:45:16,576 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-20 23:48:00,566 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-20 23:48:00,566 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-20 23:48:00,567 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-20 23:48:00,568 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 23:48:00,568 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-07-20 23:48:00,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 23:48:00,577 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-20 23:48:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 23:48:01,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 23:48:01,270 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-20 23:48:01,472 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 23:48:01,473 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-20 23:48:01,477 WARN L202 ceAbstractionStarter]: Timeout [2018-07-20 23:48:01,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:48:01 BoogieIcfgContainer [2018-07-20 23:48:01,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 23:48:01,478 INFO L168 Benchmark]: Toolchain (without parser) took 232828.01 ms. Allocated memory was 308.8 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 223.9 MB in the beginning and 410.1 MB in the end (delta: -186.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. [2018-07-20 23:48:01,479 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 23:48:01,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4724.33 ms. Allocated memory was 308.8 MB in the beginning and 399.5 MB in the end (delta: 90.7 MB). Free memory was 222.9 MB in the beginning and 218.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 209.1 MB. Max. memory is 5.3 GB. [2018-07-20 23:48:01,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.52 ms. Allocated memory is still 399.5 MB. Free memory was 218.0 MB in the beginning and 201.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 5.3 GB. [2018-07-20 23:48:01,481 INFO L168 Benchmark]: Boogie Preprocessor took 501.26 ms. Allocated memory is still 399.5 MB. Free memory was 201.6 MB in the beginning and 144.1 MB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 5.3 GB. [2018-07-20 23:48:01,481 INFO L168 Benchmark]: RCFGBuilder took 15230.96 ms. Allocated memory was 399.5 MB in the beginning and 952.1 MB in the end (delta: 552.6 MB). Free memory was 144.1 MB in the beginning and 650.7 MB in the end (delta: -506.5 MB). Peak memory consumption was 302.0 MB. Max. memory is 5.3 GB. [2018-07-20 23:48:01,482 INFO L168 Benchmark]: TraceAbstraction took 212146.42 ms. Allocated memory was 952.1 MB in the beginning and 2.4 GB in the end (delta: 1.5 GB). Free memory was 650.4 MB in the beginning and 410.1 MB in the end (delta: 240.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-20 23:48:01,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 4724.33 ms. Allocated memory was 308.8 MB in the beginning and 399.5 MB in the end (delta: 90.7 MB). Free memory was 222.9 MB in the beginning and 218.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 209.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 204.52 ms. Allocated memory is still 399.5 MB. Free memory was 218.0 MB in the beginning and 201.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 501.26 ms. Allocated memory is still 399.5 MB. Free memory was 201.6 MB in the beginning and 144.1 MB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 5.3 GB. * RCFGBuilder took 15230.96 ms. Allocated memory was 399.5 MB in the beginning and 952.1 MB in the end (delta: 552.6 MB). Free memory was 144.1 MB in the beginning and 650.7 MB in the end (delta: -506.5 MB). Peak memory consumption was 302.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 212146.42 ms. Allocated memory was 952.1 MB in the beginning and 2.4 GB in the end (delta: 1.5 GB). Free memory was 650.4 MB in the beginning and 410.1 MB in the end (delta: 240.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 11000]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 11000). Cancelled while BasicCegarLoop was analyzing trace of length 1713 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 2223 locations, 1 error locations. TIMEOUT Result, 212.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 33.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2440 SDtfs, 16498 SDslu, 2237 SDs, 0 SdLazy, 25261 SolverSat, 9323 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 11 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15095occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 164.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 373 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 5045 NumberOfCodeBlocks, 5045 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5042 ConstructedInterpolants, 0 QuantifiedInterpolants, 16985608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 18/18 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem05_label36_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_23-48-01-511.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem05_label36_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_23-48-01-511.csv Completed graceful shutdown