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/Problem19_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 21:28:53,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 21:28:53,110 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 21:28:53,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 21:28:53,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 21:28:53,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 21:28:53,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 21:28:53,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 21:28:53,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 21:28:53,134 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 21:28:53,134 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 21:28:53,135 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 21:28:53,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 21:28:53,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 21:28:53,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 21:28:53,141 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 21:28:53,142 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 21:28:53,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 21:28:53,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 21:28:53,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 21:28:53,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 21:28:53,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 21:28:53,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 21:28:53,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 21:28:53,168 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 21:28:53,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 21:28:53,169 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 21:28:53,170 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 21:28:53,173 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 21:28:53,175 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 21:28:53,175 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 21:28:53,175 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 21:28:53,176 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 21:28:53,176 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 21:28:53,177 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 21:28:53,179 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 21:28:53,179 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 21:28:53,199 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 21:28:53,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 21:28:53,200 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 21:28:53,200 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 21:28:53,201 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 21:28:53,201 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 21:28:53,201 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 21:28:53,201 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 21:28:53,201 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 21:28:53,202 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 21:28:53,202 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 21:28:53,202 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 21:28:53,203 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 21:28:53,204 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 21:28:53,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 21:28:53,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 21:28:53,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 21:28:53,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 21:28:53,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 21:28:53,205 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 21:28:53,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 21:28:53,205 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 21:28:53,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 21:28:53,206 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 21:28:53,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 21:28:53,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 21:28:53,206 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 21:28:53,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 21:28:53,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 21:28:53,208 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 21:28:53,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 21:28:53,209 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 21:28:53,209 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 21:28:53,209 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 21:28:53,209 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 21:28:53,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 21:28:53,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 21:28:53,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 21:28:53,285 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 21:28:53,285 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 21:28:53,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-07-21 21:28:53,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/788d2cc76/fbd510cf98a843deb031438fed89725f/FLAG1b173f51c [2018-07-21 21:28:54,338 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 21:28:54,339 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label52_true-unreach-call.c [2018-07-21 21:28:54,407 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/788d2cc76/fbd510cf98a843deb031438fed89725f/FLAG1b173f51c [2018-07-21 21:28:54,425 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/788d2cc76/fbd510cf98a843deb031438fed89725f [2018-07-21 21:28:54,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 21:28:54,444 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 21:28:54,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 21:28:54,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 21:28:54,456 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 21:28:54,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:28:54" (1/1) ... [2018-07-21 21:28:54,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58713257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:54, skipping insertion in model container [2018-07-21 21:28:54,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:28:54" (1/1) ... [2018-07-21 21:28:55,007 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 21:28:56,812 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:28:56,828 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 21:28:58,071 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:28:58,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58 WrapperNode [2018-07-21 21:28:58,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 21:28:58,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 21:28:58,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 21:28:58,752 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 21:28:58,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:28:58,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:00,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 21:29:00,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 21:29:00,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 21:29:00,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 21:29:00,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:00,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:00,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:00,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:00,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:00,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:00,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (1/1) ... [2018-07-21 21:29:01,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 21:29:01,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 21:29:01,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 21:29:01,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 21:29:01,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (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 [2018-07-21 21:29:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-07-21 21:29:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-07-21 21:29:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-21 21:29:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-21 21:29:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 21:29:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 21:29:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-21 21:29:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-21 21:29:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-21 21:29:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-21 21:29:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 21:29:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 21:29:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 21:29:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 21:29:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 21:29:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 21:29:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 21:29:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 21:29:18,124 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 21:29:18,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:29:18 BoogieIcfgContainer [2018-07-21 21:29:18,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 21:29:18,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 21:29:18,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 21:29:18,129 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 21:29:18,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:28:54" (1/3) ... [2018-07-21 21:29:18,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104df3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:29:18, skipping insertion in model container [2018-07-21 21:29:18,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:28:58" (2/3) ... [2018-07-21 21:29:18,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104df3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:29:18, skipping insertion in model container [2018-07-21 21:29:18,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:29:18" (3/3) ... [2018-07-21 21:29:18,142 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label52_true-unreach-call.c [2018-07-21 21:29:18,151 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 21:29:18,162 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 21:29:18,242 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 21:29:18,243 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 21:29:18,243 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 21:29:18,243 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 21:29:18,243 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 21:29:18,243 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 21:29:18,243 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 21:29:18,244 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 21:29:18,244 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 21:29:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-21 21:29:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-21 21:29:18,322 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:29:18,323 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] [2018-07-21 21:29:18,324 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:29:18,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1018288380, now seen corresponding path program 1 times [2018-07-21 21:29:18,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:29:18,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:29:18,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:29:18,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:29:18,383 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:29:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:29:18,781 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 21:29:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:29:18,943 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:29:18,944 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 21:29:18,944 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:29:18,947 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 21:29:18,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 21:29:18,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 21:29:18,967 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-21 21:29:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:29:34,827 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-07-21 21:29:34,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 21:29:34,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-07-21 21:29:34,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:29:34,878 INFO L225 Difference]: With dead ends: 4998 [2018-07-21 21:29:34,878 INFO L226 Difference]: Without dead ends: 3218 [2018-07-21 21:29:34,891 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 21:29:34,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-07-21 21:29:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-07-21 21:29:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-07-21 21:29:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-07-21 21:29:35,165 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 62 [2018-07-21 21:29:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:29:35,166 INFO L471 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-07-21 21:29:35,167 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 21:29:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-07-21 21:29:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-21 21:29:35,177 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:29:35,177 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:29:35,178 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:29:35,178 INFO L82 PathProgramCache]: Analyzing trace with hash -139230343, now seen corresponding path program 1 times [2018-07-21 21:29:35,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:29:35,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:29:35,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:29:35,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:29:35,187 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:29:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:29:35,615 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 21:29:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:29:36,023 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:29:36,024 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 21:29:36,024 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:29:36,026 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 21:29:36,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 21:29:36,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:29:36,026 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-07-21 21:29:59,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:29:59,797 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-07-21 21:29:59,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 21:29:59,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-07-21 21:29:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:29:59,842 INFO L225 Difference]: With dead ends: 9340 [2018-07-21 21:29:59,842 INFO L226 Difference]: Without dead ends: 6131 [2018-07-21 21:29:59,855 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 21:29:59,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-07-21 21:30:00,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-07-21 21:30:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-07-21 21:30:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-07-21 21:30:00,087 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 134 [2018-07-21 21:30:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:30:00,088 INFO L471 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-07-21 21:30:00,088 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 21:30:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-07-21 21:30:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-21 21:30:00,095 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:30:00,095 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:30:00,095 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:30:00,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1950690482, now seen corresponding path program 1 times [2018-07-21 21:30:00,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:30:00,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:30:00,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:30:00,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:30:00,097 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:30:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:30:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:30:00,577 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:30:00,579 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 21:30:00,579 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:30:00,580 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 21:30:00,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 21:30:00,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:30:00,581 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-07-21 21:30:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:30:21,850 INFO L93 Difference]: Finished difference Result 21103 states and 34241 transitions. [2018-07-21 21:30:21,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 21:30:21,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-07-21 21:30:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:30:21,943 INFO L225 Difference]: With dead ends: 21103 [2018-07-21 21:30:21,943 INFO L226 Difference]: Without dead ends: 15018 [2018-07-21 21:30:21,976 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 21:30:21,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15018 states. [2018-07-21 21:30:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15018 to 14826. [2018-07-21 21:30:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14826 states. [2018-07-21 21:30:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14826 states to 14826 states and 22435 transitions. [2018-07-21 21:30:22,423 INFO L78 Accepts]: Start accepts. Automaton has 14826 states and 22435 transitions. Word has length 136 [2018-07-21 21:30:22,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:30:22,423 INFO L471 AbstractCegarLoop]: Abstraction has 14826 states and 22435 transitions. [2018-07-21 21:30:22,424 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 21:30:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 14826 states and 22435 transitions. [2018-07-21 21:30:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-21 21:30:22,430 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:30:22,430 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:30:22,431 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:30:22,431 INFO L82 PathProgramCache]: Analyzing trace with hash 115976813, now seen corresponding path program 1 times [2018-07-21 21:30:22,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:30:22,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:30:22,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:30:22,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:30:22,434 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:30:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:30:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:30:22,998 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:30:22,998 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 21:30:22,998 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:30:22,999 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 21:30:22,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 21:30:22,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:30:22,999 INFO L87 Difference]: Start difference. First operand 14826 states and 22435 transitions. Second operand 6 states. [2018-07-21 21:30:59,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:30:59,236 INFO L93 Difference]: Finished difference Result 58701 states and 93402 transitions. [2018-07-21 21:30:59,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 21:30:59,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-07-21 21:30:59,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:30:59,436 INFO L225 Difference]: With dead ends: 58701 [2018-07-21 21:30:59,436 INFO L226 Difference]: Without dead ends: 43881 [2018-07-21 21:30:59,509 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-21 21:30:59,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43881 states. [2018-07-21 21:31:00,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43881 to 43780. [2018-07-21 21:31:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43780 states. [2018-07-21 21:31:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43780 states to 43780 states and 63271 transitions. [2018-07-21 21:31:00,891 INFO L78 Accepts]: Start accepts. Automaton has 43780 states and 63271 transitions. Word has length 158 [2018-07-21 21:31:00,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:31:00,891 INFO L471 AbstractCegarLoop]: Abstraction has 43780 states and 63271 transitions. [2018-07-21 21:31:00,892 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 21:31:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 43780 states and 63271 transitions. [2018-07-21 21:31:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-21 21:31:00,899 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:31:00,900 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:31:00,900 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:31:00,901 INFO L82 PathProgramCache]: Analyzing trace with hash -853735309, now seen corresponding path program 1 times [2018-07-21 21:31:00,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:31:00,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:31:00,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:31:00,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:31:00,905 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:31:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:31:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:31:01,419 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:31:01,419 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 21:31:01,419 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:31:01,420 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 21:31:01,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 21:31:01,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:31:01,421 INFO L87 Difference]: Start difference. First operand 43780 states and 63271 transitions. Second operand 6 states. [2018-07-21 21:31:31,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:31:31,108 INFO L93 Difference]: Finished difference Result 143516 states and 242064 transitions. [2018-07-21 21:31:31,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 21:31:31,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2018-07-21 21:31:31,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:31:31,518 INFO L225 Difference]: With dead ends: 143516 [2018-07-21 21:31:31,518 INFO L226 Difference]: Without dead ends: 99742 [2018-07-21 21:31:31,619 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-21 21:31:31,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99742 states. [2018-07-21 21:31:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99742 to 99140. [2018-07-21 21:31:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99140 states. [2018-07-21 21:31:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99140 states to 99140 states and 143883 transitions. [2018-07-21 21:31:38,340 INFO L78 Accepts]: Start accepts. Automaton has 99140 states and 143883 transitions. Word has length 167 [2018-07-21 21:31:38,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:31:38,341 INFO L471 AbstractCegarLoop]: Abstraction has 99140 states and 143883 transitions. [2018-07-21 21:31:38,341 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 21:31:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 99140 states and 143883 transitions. [2018-07-21 21:31:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-21 21:31:38,352 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:31:38,352 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:31:38,352 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:31:38,352 INFO L82 PathProgramCache]: Analyzing trace with hash -638335596, now seen corresponding path program 1 times [2018-07-21 21:31:38,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:31:38,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:31:38,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:31:38,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:31:38,354 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:31:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:31:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:31:38,733 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:31:38,734 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 21:31:38,734 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:31:38,735 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 21:31:38,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 21:31:38,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 21:31:38,736 INFO L87 Difference]: Start difference. First operand 99140 states and 143883 transitions. Second operand 5 states. [2018-07-21 21:32:01,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:32:01,016 INFO L93 Difference]: Finished difference Result 293586 states and 454513 transitions. [2018-07-21 21:32:01,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 21:32:01,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2018-07-21 21:32:01,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:32:01,672 INFO L225 Difference]: With dead ends: 293586 [2018-07-21 21:32:01,672 INFO L226 Difference]: Without dead ends: 194452 [2018-07-21 21:32:01,847 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-21 21:32:01,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194452 states. [2018-07-21 21:32:11,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194452 to 193646. [2018-07-21 21:32:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193646 states. [2018-07-21 21:32:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193646 states to 193646 states and 279603 transitions. [2018-07-21 21:32:11,982 INFO L78 Accepts]: Start accepts. Automaton has 193646 states and 279603 transitions. Word has length 195 [2018-07-21 21:32:11,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:32:11,983 INFO L471 AbstractCegarLoop]: Abstraction has 193646 states and 279603 transitions. [2018-07-21 21:32:11,983 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 21:32:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand 193646 states and 279603 transitions. [2018-07-21 21:32:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-07-21 21:32:11,993 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:32:11,993 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:32:11,993 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:32:11,993 INFO L82 PathProgramCache]: Analyzing trace with hash 416803636, now seen corresponding path program 1 times [2018-07-21 21:32:11,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:32:11,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:32:11,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:32:11,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:32:11,995 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:32:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:32:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 110 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 21:32:12,215 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 21:32:12,215 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 21:32:12,216 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-07-21 21:32:12,218 INFO L201 CegarAbsIntRunner]: [2006], [2007], [4199], [4203], [4209], [4213], [4215], [5251], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5646], [5648], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5723], [5731], [5739], [5743], [5746], [5750], [5751], [5755], [5766], [5770], [5774], [5778], [5782], [5786], [5790], [5794], [5798], [5802], [5806], [5810], [5821], [5832], [5843], [5847], [5851], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5901], [6826], [6833], [6834], [6835], [6837], [6838] [2018-07-21 21:32:12,299 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 21:32:12,299 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 21:32:24,995 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 21:32:25,038 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 21:32:25,040 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-21 21:32:25,084 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-07-21 21:32:36,027 INFO L232 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 75.85% of their original sizes. [2018-07-21 21:32:36,027 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 21:32:36,124 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 21:32:36,129 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 21:32:36,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:32:36 BoogieIcfgContainer [2018-07-21 21:32:36,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 21:32:36,132 INFO L168 Benchmark]: Toolchain (without parser) took 221693.79 ms. Allocated memory was 308.8 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 228.5 MB in the beginning and 655.6 MB in the end (delta: -427.1 MB). Peak memory consumption was 2.5 GB. Max. memory is 5.3 GB. [2018-07-21 21:32:36,133 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 308.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 21:32:36,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4302.43 ms. Allocated memory was 308.8 MB in the beginning and 405.8 MB in the end (delta: 97.0 MB). Free memory was 227.5 MB in the beginning and 147.4 MB in the end (delta: 80.1 MB). Peak memory consumption was 223.6 MB. Max. memory is 5.3 GB. [2018-07-21 21:32:36,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 1560.93 ms. Allocated memory was 405.8 MB in the beginning and 703.1 MB in the end (delta: 297.3 MB). Free memory was 147.4 MB in the beginning and 558.1 MB in the end (delta: -410.8 MB). Peak memory consumption was 128.2 MB. Max. memory is 5.3 GB. [2018-07-21 21:32:36,137 INFO L168 Benchmark]: Boogie Preprocessor took 767.27 ms. Allocated memory is still 703.1 MB. Free memory was 558.1 MB in the beginning and 458.8 MB in the end (delta: 99.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 5.3 GB. [2018-07-21 21:32:36,138 INFO L168 Benchmark]: RCFGBuilder took 17044.51 ms. Allocated memory was 703.1 MB in the beginning and 1.0 GB in the end (delta: 339.2 MB). Free memory was 458.8 MB in the beginning and 821.5 MB in the end (delta: -362.7 MB). Peak memory consumption was 357.3 MB. Max. memory is 5.3 GB. [2018-07-21 21:32:36,138 INFO L168 Benchmark]: TraceAbstraction took 198004.14 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 821.5 MB in the beginning and 655.6 MB in the end (delta: 165.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 5.3 GB. [2018-07-21 21:32:36,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 308.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 4302.43 ms. Allocated memory was 308.8 MB in the beginning and 405.8 MB in the end (delta: 97.0 MB). Free memory was 227.5 MB in the beginning and 147.4 MB in the end (delta: 80.1 MB). Peak memory consumption was 223.6 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 1560.93 ms. Allocated memory was 405.8 MB in the beginning and 703.1 MB in the end (delta: 297.3 MB). Free memory was 147.4 MB in the beginning and 558.1 MB in the end (delta: -410.8 MB). Peak memory consumption was 128.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 767.27 ms. Allocated memory is still 703.1 MB. Free memory was 558.1 MB in the beginning and 458.8 MB in the end (delta: 99.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 17044.51 ms. Allocated memory was 703.1 MB in the beginning and 1.0 GB in the end (delta: 339.2 MB). Free memory was 458.8 MB in the beginning and 821.5 MB in the end (delta: -362.7 MB). Peak memory consumption was 357.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 198004.14 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 821.5 MB in the beginning and 655.6 MB in the end (delta: 165.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 181). Cancelled while BasicCegarLoop was analyzing trace of length 234 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 197.9s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 150.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3506 SDtfs, 41856 SDslu, 4335 SDs, 0 SdLazy, 65696 SolverSat, 14581 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 130.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 16 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193646occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9959946949602121 AbsIntWeakeningRatio, 0.1206896551724138 AbsIntAvgWeakeningVarsNumRemoved, 35.775862068965516 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 19.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1744 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 846 ConstructedInterpolants, 0 QuantifiedInterpolants, 497368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 275/275 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/Problem19_label52_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_21-32-36-155.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label52_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_21-32-36-155.csv Completed graceful shutdown