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_label44_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 21:22:08,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 21:22:08,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 21:22:08,815 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 21:22:08,815 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 21:22:08,816 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 21:22:08,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 21:22:08,823 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 21:22:08,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 21:22:08,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 21:22:08,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 21:22:08,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 21:22:08,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 21:22:08,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 21:22:08,834 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 21:22:08,835 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 21:22:08,835 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 21:22:08,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 21:22:08,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 21:22:08,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 21:22:08,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 21:22:08,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 21:22:08,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 21:22:08,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 21:22:08,855 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 21:22:08,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 21:22:08,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 21:22:08,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 21:22:08,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 21:22:08,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 21:22:08,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 21:22:08,865 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 21:22:08,865 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 21:22:08,865 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 21:22:08,866 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 21:22:08,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 21:22:08,867 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 21:22:08,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 21:22:08,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 21:22:08,892 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 21:22:08,893 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 21:22:08,893 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 21:22:08,893 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 21:22:08,893 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 21:22:08,893 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 21:22:08,893 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 21:22:08,894 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 21:22:08,894 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 21:22:08,895 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 21:22:08,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 21:22:08,895 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 21:22:08,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 21:22:08,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 21:22:08,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 21:22:08,896 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 21:22:08,896 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 21:22:08,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 21:22:08,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 21:22:08,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 21:22:08,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 21:22:08,897 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 21:22:08,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 21:22:08,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 21:22:08,899 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 21:22:08,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 21:22:08,900 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 21:22:08,900 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 21:22:08,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 21:22:08,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 21:22:08,900 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 21:22:08,901 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 21:22:08,901 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 21:22:08,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 21:22:08,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 21:22:08,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 21:22:08,973 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 21:22:08,974 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 21:22:08,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label44_true-unreach-call.c [2018-07-21 21:22:09,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/5b692078d/f3dd7b2d75c2422aa287f7337d725f66/FLAGc7f4a5855 [2018-07-21 21:22:10,043 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 21:22:10,044 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label44_true-unreach-call.c [2018-07-21 21:22:10,103 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/5b692078d/f3dd7b2d75c2422aa287f7337d725f66/FLAGc7f4a5855 [2018-07-21 21:22:10,122 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/5b692078d/f3dd7b2d75c2422aa287f7337d725f66 [2018-07-21 21:22:10,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 21:22:10,140 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 21:22:10,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 21:22:10,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 21:22:10,151 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 21:22:10,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:10" (1/1) ... [2018-07-21 21:22:10,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4424207d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:10, skipping insertion in model container [2018-07-21 21:22:10,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:22:10" (1/1) ... [2018-07-21 21:22:10,688 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 21:22:12,914 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:22:12,939 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 21:22:14,414 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:22:14,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14 WrapperNode [2018-07-21 21:22:14,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 21:22:14,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 21:22:14,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 21:22:14,799 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 21:22:14,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:14,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:16,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 21:22:16,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 21:22:16,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 21:22:16,344 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 21:22:16,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:16,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:16,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:16,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:16,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:16,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:16,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (1/1) ... [2018-07-21 21:22:17,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 21:22:17,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 21:22:17,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 21:22:17,084 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 21:22:17,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (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 21:22:17,163 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 21:22:17,163 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 21:22:17,163 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 21:22:17,163 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 21:22:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 21:22:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 21:22:17,164 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 21:22:17,164 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 21:22:17,164 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 21:22:17,164 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 21:22:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 21:22:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 21:22:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 21:22:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 21:22:17,166 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 21:22:17,166 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 21:22:17,166 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 21:22:17,166 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 21:22:37,391 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 21:22:37,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:37 BoogieIcfgContainer [2018-07-21 21:22:37,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 21:22:37,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 21:22:37,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 21:22:37,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 21:22:37,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:22:10" (1/3) ... [2018-07-21 21:22:37,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f779694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:37, skipping insertion in model container [2018-07-21 21:22:37,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:14" (2/3) ... [2018-07-21 21:22:37,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f779694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:37, skipping insertion in model container [2018-07-21 21:22:37,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:37" (3/3) ... [2018-07-21 21:22:37,403 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label44_true-unreach-call.c [2018-07-21 21:22:37,412 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 21:22:37,421 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 21:22:37,500 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 21:22:37,501 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 21:22:37,501 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 21:22:37,501 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 21:22:37,501 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 21:22:37,501 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 21:22:37,501 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 21:22:37,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 21:22:37,504 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 21:22:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-21 21:22:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-21 21:22:37,583 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:22:37,584 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] [2018-07-21 21:22:37,584 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 21:22:37,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1663731910, now seen corresponding path program 1 times [2018-07-21 21:22:37,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:22:37,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:22:37,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:22:37,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:22:37,815 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:22:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:22:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:22:38,298 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:22:38,298 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 21:22:38,298 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:22:38,302 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 21:22:38,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 21:22:38,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 21:22:38,323 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-07-21 21:22:58,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:22:58,232 INFO L93 Difference]: Finished difference Result 6465 states and 12332 transitions. [2018-07-21 21:22:58,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 21:22:58,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-07-21 21:22:58,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:22:58,295 INFO L225 Difference]: With dead ends: 6465 [2018-07-21 21:22:58,295 INFO L226 Difference]: Without dead ends: 4681 [2018-07-21 21:22:58,318 INFO L578 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 [2018-07-21 21:22:58,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-07-21 21:22:58,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 3200. [2018-07-21 21:22:58,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3200 states. [2018-07-21 21:22:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5132 transitions. [2018-07-21 21:22:58,586 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5132 transitions. Word has length 41 [2018-07-21 21:22:58,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:22:58,587 INFO L471 AbstractCegarLoop]: Abstraction has 3200 states and 5132 transitions. [2018-07-21 21:22:58,587 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 21:22:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5132 transitions. [2018-07-21 21:22:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-21 21:22:58,596 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:22:58,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:58,597 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 21:22:58,597 INFO L82 PathProgramCache]: Analyzing trace with hash 2065482628, now seen corresponding path program 1 times [2018-07-21 21:22:58,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:22:58,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:22:58,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:22:58,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:22:58,602 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:22:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:22:58,973 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 21:22:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:22:59,376 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:22:59,377 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 21:22:59,377 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:22:59,379 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 21:22:59,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 21:22:59,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:22:59,380 INFO L87 Difference]: Start difference. First operand 3200 states and 5132 transitions. Second operand 6 states. [2018-07-21 21:23:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:23:26,558 INFO L93 Difference]: Finished difference Result 12097 states and 19723 transitions. [2018-07-21 21:23:26,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 21:23:26,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-07-21 21:23:26,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:23:26,610 INFO L225 Difference]: With dead ends: 12097 [2018-07-21 21:23:26,610 INFO L226 Difference]: Without dead ends: 8903 [2018-07-21 21:23:26,625 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 21:23:26,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8903 states. [2018-07-21 21:23:26,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8903 to 8846. [2018-07-21 21:23:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2018-07-21 21:23:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 12708 transitions. [2018-07-21 21:23:26,945 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 12708 transitions. Word has length 113 [2018-07-21 21:23:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:23:26,946 INFO L471 AbstractCegarLoop]: Abstraction has 8846 states and 12708 transitions. [2018-07-21 21:23:26,946 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 21:23:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 12708 transitions. [2018-07-21 21:23:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-21 21:23:26,953 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:23:26,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:26,953 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 21:23:26,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1771241843, now seen corresponding path program 1 times [2018-07-21 21:23:26,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:23:26,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:23:26,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:23:26,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:23:26,960 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:23:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:23:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:23:27,262 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:23:27,262 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 21:23:27,263 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:23:27,263 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 21:23:27,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 21:23:27,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:23:27,264 INFO L87 Difference]: Start difference. First operand 8846 states and 12708 transitions. Second operand 6 states. [2018-07-21 21:23:49,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:23:49,392 INFO L93 Difference]: Finished difference Result 29431 states and 43425 transitions. [2018-07-21 21:23:49,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 21:23:49,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-07-21 21:23:49,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:23:49,498 INFO L225 Difference]: With dead ends: 29431 [2018-07-21 21:23:49,498 INFO L226 Difference]: Without dead ends: 20591 [2018-07-21 21:23:49,537 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 21:23:49,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20591 states. [2018-07-21 21:23:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20591 to 20435. [2018-07-21 21:23:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20435 states. [2018-07-21 21:23:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20435 states to 20435 states and 28676 transitions. [2018-07-21 21:23:50,480 INFO L78 Accepts]: Start accepts. Automaton has 20435 states and 28676 transitions. Word has length 115 [2018-07-21 21:23:50,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:23:50,481 INFO L471 AbstractCegarLoop]: Abstraction has 20435 states and 28676 transitions. [2018-07-21 21:23:50,481 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 21:23:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 20435 states and 28676 transitions. [2018-07-21 21:23:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-21 21:23:50,487 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:23:50,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:50,488 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 21:23:50,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1713684884, now seen corresponding path program 1 times [2018-07-21 21:23:50,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:23:50,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:23:50,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:23:50,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:23:50,495 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:23:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:23:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:23:51,054 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:23:51,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 21:23:51,055 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:23:51,056 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 21:23:51,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 21:23:51,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:23:51,057 INFO L87 Difference]: Start difference. First operand 20435 states and 28676 transitions. Second operand 6 states. [2018-07-21 21:24:22,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:24:22,916 INFO L93 Difference]: Finished difference Result 68536 states and 104791 transitions. [2018-07-21 21:24:22,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 21:24:22,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-07-21 21:24:22,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:24:23,115 INFO L225 Difference]: With dead ends: 68536 [2018-07-21 21:24:23,115 INFO L226 Difference]: Without dead ends: 48107 [2018-07-21 21:24:23,194 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 21:24:23,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48107 states. [2018-07-21 21:24:24,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48107 to 47833. [2018-07-21 21:24:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47833 states. [2018-07-21 21:24:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47833 states to 47833 states and 63995 transitions. [2018-07-21 21:24:24,704 INFO L78 Accepts]: Start accepts. Automaton has 47833 states and 63995 transitions. Word has length 146 [2018-07-21 21:24:24,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:24:24,705 INFO L471 AbstractCegarLoop]: Abstraction has 47833 states and 63995 transitions. [2018-07-21 21:24:24,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 21:24:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 47833 states and 63995 transitions. [2018-07-21 21:24:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-21 21:24:24,715 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:24:24,715 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-21 21:24:24,715 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 21:24:24,715 INFO L82 PathProgramCache]: Analyzing trace with hash 623897949, now seen corresponding path program 1 times [2018-07-21 21:24:24,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 21:24:24,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:24:24,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:24:24,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:24:24,717 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 21:24:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:24:25,021 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 21:24:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 21:24:25,391 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 21:24:25,392 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 21:24:25,393 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-07-21 21:24:25,395 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], [5478], [5480], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5723], [5731], [5739], [5751], [5755], [5758], [5763], [5765], [5766], [5770], [5774], [5778], [5782], [5786], [5790], [5793], [6826], [6833], [6834], [6835], [6837], [6838] [2018-07-21 21:24:25,475 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 21:24:25,475 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 21:24:34,251 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 21:24:34,253 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-21 21:24:34,266 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 21:24:43,327 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 75.56% of their original sizes. [2018-07-21 21:24:43,327 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 21:24:44,094 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 21:24:44,095 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 21:24:44,096 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-21 21:24:44,096 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 21:24:44,096 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 21:24:44,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 21:24:44,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 21:24:44,097 INFO L87 Difference]: Start difference. First operand 47833 states and 63995 transitions. Second operand 7 states. [2018-07-21 21:24:56,103 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 21:25:32,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 21:25:32,520 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 21:25:32,524 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 21:25:32,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:25:32 BoogieIcfgContainer [2018-07-21 21:25:32,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 21:25:32,526 INFO L168 Benchmark]: Toolchain (without parser) took 202392.09 ms. Allocated memory was 309.3 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 229.6 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 574.7 MB. Max. memory is 5.3 GB. [2018-07-21 21:25:32,527 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 21:25:32,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4656.05 ms. Allocated memory was 309.3 MB in the beginning and 399.0 MB in the end (delta: 89.7 MB). Free memory was 228.6 MB in the beginning and 140.2 MB in the end (delta: 88.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 5.3 GB. [2018-07-21 21:25:32,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 1545.49 ms. Allocated memory was 399.0 MB in the beginning and 697.8 MB in the end (delta: 298.8 MB). Free memory was 140.2 MB in the beginning and 548.3 MB in the end (delta: -408.1 MB). Peak memory consumption was 125.3 MB. Max. memory is 5.3 GB. [2018-07-21 21:25:32,529 INFO L168 Benchmark]: Boogie Preprocessor took 739.60 ms. Allocated memory is still 697.8 MB. Free memory was 548.3 MB in the beginning and 452.5 MB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 5.3 GB. [2018-07-21 21:25:32,529 INFO L168 Benchmark]: RCFGBuilder took 20308.18 ms. Allocated memory was 697.8 MB in the beginning and 966.3 MB in the end (delta: 268.4 MB). Free memory was 452.5 MB in the beginning and 377.4 MB in the end (delta: 75.1 MB). Peak memory consumption was 354.4 MB. Max. memory is 5.3 GB. [2018-07-21 21:25:32,530 INFO L168 Benchmark]: TraceAbstraction took 175131.88 ms. Allocated memory was 966.3 MB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 377.4 MB in the beginning and 2.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 65.6 MB. Max. memory is 5.3 GB. [2018-07-21 21:25:32,537 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 4656.05 ms. Allocated memory was 309.3 MB in the beginning and 399.0 MB in the end (delta: 89.7 MB). Free memory was 228.6 MB in the beginning and 140.2 MB in the end (delta: 88.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 1545.49 ms. Allocated memory was 399.0 MB in the beginning and 697.8 MB in the end (delta: 298.8 MB). Free memory was 140.2 MB in the beginning and 548.3 MB in the end (delta: -408.1 MB). Peak memory consumption was 125.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 739.60 ms. Allocated memory is still 697.8 MB. Free memory was 548.3 MB in the beginning and 452.5 MB in the end (delta: 95.7 MB). Peak memory consumption was 95.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 20308.18 ms. Allocated memory was 697.8 MB in the beginning and 966.3 MB in the end (delta: 268.4 MB). Free memory was 452.5 MB in the beginning and 377.4 MB in the end (delta: 75.1 MB). Peak memory consumption was 354.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 175131.88 ms. Allocated memory was 966.3 MB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 377.4 MB in the beginning and 2.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 65.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 118). Cancelled while BasicCegarLoop was constructing difference of abstraction (47833states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (3012 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 175.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 150.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3330 SDtfs, 26823 SDslu, 3319 SDs, 0 SdLazy, 46128 SolverSat, 11832 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 126.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 231 GetRequests, 199 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47833occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.995185332801913 AbsIntWeakeningRatio, 0.14507772020725387 AbsIntAvgWeakeningVarsNumRemoved, 48.880829015544045 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1968 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 282814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 175/242 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_label44_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_21-25-32-553.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label44_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_21-25-32-553.csv Completed graceful shutdown