java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 23:21:06,308 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 23:21:06,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 23:21:06,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 23:21:06,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 23:21:06,324 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 23:21:06,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 23:21:06,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 23:21:06,328 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 23:21:06,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 23:21:06,330 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 23:21:06,330 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 23:21:06,331 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 23:21:06,332 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 23:21:06,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 23:21:06,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 23:21:06,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 23:21:06,340 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 23:21:06,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 23:21:06,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 23:21:06,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 23:21:06,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 23:21:06,358 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 23:21:06,359 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 23:21:06,359 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 23:21:06,360 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 23:21:06,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 23:21:06,363 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 23:21:06,365 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 23:21:06,368 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 23:21:06,369 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 23:21:06,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 23:21:06,370 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 23:21:06,370 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 23:21:06,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 23:21:06,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 23:21:06,373 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 23:21:06,394 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 23:21:06,395 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 23:21:06,395 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 23:21:06,395 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 23:21:06,396 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 23:21:06,396 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 23:21:06,396 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 23:21:06,396 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 23:21:06,397 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 23:21:06,397 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 23:21:06,397 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 23:21:06,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 23:21:06,398 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 23:21:06,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 23:21:06,398 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 23:21:06,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 23:21:06,399 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 23:21:06,399 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 23:21:06,399 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 23:21:06,399 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 23:21:06,399 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 23:21:06,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 23:21:06,400 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 23:21:06,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 23:21:06,400 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 23:21:06,400 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 23:21:06,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 23:21:06,401 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 23:21:06,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 23:21:06,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 23:21:06,401 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 23:21:06,402 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 23:21:06,402 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 23:21:06,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 23:21:06,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 23:21:06,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 23:21:06,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 23:21:06,480 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 23:21:06,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label38_true-unreach-call.c [2018-07-23 23:21:06,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36f459be2/5b96dc70762845b49779e40dcf00abdc/FLAG6dd0d6741 [2018-07-23 23:21:07,466 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 23:21:07,467 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label38_true-unreach-call.c [2018-07-23 23:21:07,515 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36f459be2/5b96dc70762845b49779e40dcf00abdc/FLAG6dd0d6741 [2018-07-23 23:21:07,539 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36f459be2/5b96dc70762845b49779e40dcf00abdc [2018-07-23 23:21:07,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 23:21:07,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 23:21:07,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 23:21:07,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 23:21:07,565 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 23:21:07,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:21:07" (1/1) ... [2018-07-23 23:21:07,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3036c7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:07, skipping insertion in model container [2018-07-23 23:21:07,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:21:07" (1/1) ... [2018-07-23 23:21:08,039 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 23:21:09,765 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 23:21:09,783 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 23:21:11,126 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 23:21:11,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11 WrapperNode [2018-07-23 23:21:11,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 23:21:11,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 23:21:11,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 23:21:11,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 23:21:11,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:12,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:12,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 23:21:12,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 23:21:12,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 23:21:12,226 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 23:21:13,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:13,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:13,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:13,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:13,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:13,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:13,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... [2018-07-23 23:21:14,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 23:21:14,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 23:21:14,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 23:21:14,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 23:21:14,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 23:21:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 23:21:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 23:21:14,223 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 [2018-07-23 23:21:14,223 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 [2018-07-23 23:21:14,223 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 [2018-07-23 23:21:14,224 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 [2018-07-23 23:21:14,224 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 [2018-07-23 23:21:14,225 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 [2018-07-23 23:21:14,225 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 [2018-07-23 23:21:14,225 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 [2018-07-23 23:21:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 23:21:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 23:21:14,225 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 [2018-07-23 23:21:14,226 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 [2018-07-23 23:21:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 23:21:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 23:21:14,227 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 [2018-07-23 23:21:14,227 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 [2018-07-23 23:21:35,210 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 23:21:35,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:21:35 BoogieIcfgContainer [2018-07-23 23:21:35,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 23:21:35,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 23:21:35,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 23:21:35,216 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 23:21:35,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 11:21:07" (1/3) ... [2018-07-23 23:21:35,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be822bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:21:35, skipping insertion in model container [2018-07-23 23:21:35,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:21:11" (2/3) ... [2018-07-23 23:21:35,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be822bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:21:35, skipping insertion in model container [2018-07-23 23:21:35,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:21:35" (3/3) ... [2018-07-23 23:21:35,220 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label38_true-unreach-call.c [2018-07-23 23:21:35,229 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 23:21:35,239 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 23:21:35,309 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 23:21:35,310 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 23:21:35,310 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 23:21:35,310 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 23:21:35,310 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 23:21:35,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 23:21:35,310 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 23:21:35,311 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 23:21:35,311 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 23:21:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-23 23:21:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 23:21:35,374 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:21:35,375 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, 1, 1, 1, 1] [2018-07-23 23:21:35,376 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]=== [2018-07-23 23:21:35,381 INFO L82 PathProgramCache]: Analyzing trace with hash 615591254, now seen corresponding path program 1 times [2018-07-23 23:21:35,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:21:35,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:21:35,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:21:35,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:21:35,441 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:21:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:21:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:21:35,971 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:21:35,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 23:21:35,971 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:21:35,979 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 23:21:35,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 23:21:35,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 23:21:35,998 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-07-23 23:22:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:22:04,399 INFO L93 Difference]: Finished difference Result 6513 states and 12383 transitions. [2018-07-23 23:22:04,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 23:22:04,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-07-23 23:22:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:22:04,462 INFO L225 Difference]: With dead ends: 6513 [2018-07-23 23:22:04,462 INFO L226 Difference]: Without dead ends: 4729 [2018-07-23 23:22:04,475 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 23:22:04,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2018-07-23 23:22:04,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4693. [2018-07-23 23:22:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-07-23 23:22:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7735 transitions. [2018-07-23 23:22:04,705 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7735 transitions. Word has length 66 [2018-07-23 23:22:04,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:22:04,706 INFO L471 AbstractCegarLoop]: Abstraction has 4693 states and 7735 transitions. [2018-07-23 23:22:04,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 23:22:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7735 transitions. [2018-07-23 23:22:04,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 23:22:04,714 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:22:04,715 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, 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] [2018-07-23 23:22:04,715 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]=== [2018-07-23 23:22:04,716 INFO L82 PathProgramCache]: Analyzing trace with hash -277263797, now seen corresponding path program 1 times [2018-07-23 23:22:04,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:22:04,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:22:04,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:22:04,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:22:04,718 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:22:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:22:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:22:05,226 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:22:05,226 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 23:22:05,226 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:22:05,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 23:22:05,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 23:22:05,229 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 23:22:05,229 INFO L87 Difference]: Start difference. First operand 4693 states and 7735 transitions. Second operand 6 states. [2018-07-23 23:22:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:22:35,396 INFO L93 Difference]: Finished difference Result 14148 states and 23586 transitions. [2018-07-23 23:22:35,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 23:22:35,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-07-23 23:22:35,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:22:35,456 INFO L225 Difference]: With dead ends: 14148 [2018-07-23 23:22:35,456 INFO L226 Difference]: Without dead ends: 9461 [2018-07-23 23:22:35,470 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 23:22:35,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9461 states. [2018-07-23 23:22:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9461 to 9319. [2018-07-23 23:22:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9319 states. [2018-07-23 23:22:35,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9319 states to 9319 states and 13567 transitions. [2018-07-23 23:22:35,735 INFO L78 Accepts]: Start accepts. Automaton has 9319 states and 13567 transitions. Word has length 138 [2018-07-23 23:22:35,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:22:35,735 INFO L471 AbstractCegarLoop]: Abstraction has 9319 states and 13567 transitions. [2018-07-23 23:22:35,736 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 23:22:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 9319 states and 13567 transitions. [2018-07-23 23:22:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 23:22:35,745 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:22:35,746 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, 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] [2018-07-23 23:22:35,746 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]=== [2018-07-23 23:22:35,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1399890935, now seen corresponding path program 1 times [2018-07-23 23:22:35,750 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:22:35,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:22:35,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:22:35,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:22:35,752 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:22:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:22:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:22:36,152 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:22:36,152 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 23:22:36,152 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:22:36,153 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 23:22:36,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 23:22:36,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 23:22:36,154 INFO L87 Difference]: Start difference. First operand 9319 states and 13567 transitions. Second operand 5 states. [2018-07-23 23:23:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:23:00,174 INFO L93 Difference]: Finished difference Result 28121 states and 41644 transitions. [2018-07-23 23:23:00,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 23:23:00,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-07-23 23:23:00,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:23:00,265 INFO L225 Difference]: With dead ends: 28121 [2018-07-23 23:23:00,265 INFO L226 Difference]: Without dead ends: 18808 [2018-07-23 23:23:00,293 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 23:23:00,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18808 states. [2018-07-23 23:23:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18808 to 18488. [2018-07-23 23:23:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18488 states. [2018-07-23 23:23:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18488 states to 18488 states and 26073 transitions. [2018-07-23 23:23:00,693 INFO L78 Accepts]: Start accepts. Automaton has 18488 states and 26073 transitions. Word has length 148 [2018-07-23 23:23:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:23:00,693 INFO L471 AbstractCegarLoop]: Abstraction has 18488 states and 26073 transitions. [2018-07-23 23:23:00,694 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 23:23:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 18488 states and 26073 transitions. [2018-07-23 23:23:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-07-23 23:23:00,702 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:23:00,702 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, 3, 3, 3, 3, 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] [2018-07-23 23:23:00,702 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]=== [2018-07-23 23:23:00,703 INFO L82 PathProgramCache]: Analyzing trace with hash 216941298, now seen corresponding path program 1 times [2018-07-23 23:23:00,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:23:00,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:23:00,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:23:00,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:23:00,704 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:23:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:23:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 118 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 23:23:01,008 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:23:01,009 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 23:23:01,009 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-07-23 23:23:01,011 INFO L201 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1498], [1502], [1504], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1567], [1570], [1574], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1725], [2650], [5775], [5779], [5785], [5789], [5791], [6833], [6834], [6835], [6839], [6840] [2018-07-23 23:23:01,080 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 23:23:01,080 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 23:23:06,786 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 23:23:06,787 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-23 23:23:06,800 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 23:23:10,196 INFO L232 lantSequenceWeakener]: Weakened 227 states. On average, predicates are now at 75.91% of their original sizes. [2018-07-23 23:23:10,196 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 23:23:10,667 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 23:23:10,668 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 23:23:10,668 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 23:23:10,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:23:10,669 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 23:23:10,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 23:23:10,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 23:23:10,670 INFO L87 Difference]: Start difference. First operand 18488 states and 26073 transitions. Second operand 7 states. [2018-07-23 23:24:30,761 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 23:24:34,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 23:24:34,710 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 23:24:34,716 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 23:24:34,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 11:24:34 BoogieIcfgContainer [2018-07-23 23:24:34,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 23:24:34,718 INFO L168 Benchmark]: Toolchain (without parser) took 207162.44 ms. Allocated memory was 1.5 GB in the beginning and 5.5 GB in the end (delta: 4.0 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-07-23 23:24:34,720 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-07-23 23:24:34,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4329.19 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 209.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -140.1 MB). Peak memory consumption was 478.1 MB. Max. memory is 7.1 GB. [2018-07-23 23:24:34,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 337.68 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2018-07-23 23:24:34,722 INFO L168 Benchmark]: Boogie Preprocessor took 1923.94 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 823.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -830.5 MB). Peak memory consumption was 127.2 MB. Max. memory is 7.1 GB. [2018-07-23 23:24:34,723 INFO L168 Benchmark]: RCFGBuilder took 21061.91 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 293.6 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 222.6 MB). Peak memory consumption was 999.6 MB. Max. memory is 7.1 GB. [2018-07-23 23:24:34,724 INFO L168 Benchmark]: TraceAbstraction took 179504.49 ms. Allocated memory was 2.9 GB in the beginning and 5.5 GB in the end (delta: 2.6 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -607.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-23 23:24:34,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 4329.19 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 209.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -140.1 MB). Peak memory consumption was 478.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 337.68 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1923.94 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 823.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -830.5 MB). Peak memory consumption was 127.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21061.91 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 293.6 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 222.6 MB). Peak memory consumption was 999.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 179504.49 ms. Allocated memory was 2.9 GB in the beginning and 5.5 GB in the end (delta: 2.6 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -607.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 193]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 193). Cancelled while BasicCegarLoop was constructing difference of abstraction (18488states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (1859 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 179.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 166.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2318 SDtfs, 18269 SDslu, 2541 SDs, 0 SdLazy, 27880 SolverSat, 5933 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 147.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 261 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18488occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9960625814863102 AbsIntWeakeningRatio, 0.11864406779661017 AbsIntAvgWeakeningVarsNumRemoved, 1041.656779661017 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 498 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 317371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 241/306 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_label38_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_23-24-34-744.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label38_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_23-24-34-744.csv Completed graceful shutdown