java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem05_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 10:53:30,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 10:53:30,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 10:53:30,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 10:53:30,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 10:53:30,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 10:53:30,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 10:53:30,513 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 10:53:30,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 10:53:30,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 10:53:30,517 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 10:53:30,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 10:53:30,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 10:53:30,519 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 10:53:30,520 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 10:53:30,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 10:53:30,521 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 10:53:30,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 10:53:30,525 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 10:53:30,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 10:53:30,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 10:53:30,529 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 10:53:30,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 10:53:30,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 10:53:30,533 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 10:53:30,534 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 10:53:30,535 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 10:53:30,535 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 10:53:30,536 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 10:53:30,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 10:53:30,538 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 10:53:30,538 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 10:53:30,539 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 10:53:30,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 10:53:30,540 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 10:53:30,541 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 10:53:30,541 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 10:53:30,556 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 10:53:30,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 10:53:30,557 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 10:53:30,562 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 10:53:30,562 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 10:53:30,562 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 10:53:30,562 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 10:53:30,563 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 10:53:30,563 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 10:53:30,563 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 10:53:30,563 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 10:53:30,563 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 10:53:30,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 10:53:30,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 10:53:30,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 10:53:30,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 10:53:30,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 10:53:30,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 10:53:30,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 10:53:30,565 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 10:53:30,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 10:53:30,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 10:53:30,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 10:53:30,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 10:53:30,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 10:53:30,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 10:53:30,568 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 10:53:30,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 10:53:30,569 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 10:53:30,569 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 10:53:30,569 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 10:53:30,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 10:53:30,569 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 10:53:30,570 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 10:53:30,570 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 10:53:30,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 10:53:30,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 10:53:30,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 10:53:30,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 10:53:30,640 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 10:53:30,641 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label27_true-unreach-call.c [2018-07-21 10:53:31,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6bbc5e4/ec161740873545109b46ba44f891a76f/FLAG76526730d [2018-07-21 10:53:31,856 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 10:53:31,857 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label27_true-unreach-call.c [2018-07-21 10:53:31,929 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6bbc5e4/ec161740873545109b46ba44f891a76f/FLAG76526730d [2018-07-21 10:53:31,948 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6bbc5e4/ec161740873545109b46ba44f891a76f [2018-07-21 10:53:31,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 10:53:31,968 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 10:53:31,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 10:53:31,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 10:53:31,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 10:53:31,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:53:31" (1/1) ... [2018-07-21 10:53:31,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e36f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:31, skipping insertion in model container [2018-07-21 10:53:31,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:53:31" (1/1) ... [2018-07-21 10:53:32,496 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 10:53:34,620 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 10:53:34,639 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 10:53:36,274 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 10:53:36,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36 WrapperNode [2018-07-21 10:53:36,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 10:53:36,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 10:53:36,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 10:53:36,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 10:53:36,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:36,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:36,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 10:53:36,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 10:53:36,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 10:53:36,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 10:53:36,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:36,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:36,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:36,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:37,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:37,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:37,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (1/1) ... [2018-07-21 10:53:37,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 10:53:37,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 10:53:37,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 10:53:37,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 10:53:37,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (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 10:53:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 10:53:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 10:53:37,982 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 10:53:37,982 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 10:53:37,982 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 10:53:37,983 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 10:53:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 10:53:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 10:53:37,984 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 10:53:37,984 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 10:53:37,984 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 10:53:37,984 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 10:53:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8 [2018-07-21 10:53:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8 [2018-07-21 10:53:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output7 [2018-07-21 10:53:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output7 [2018-07-21 10:53:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 10:53:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 10:53:37,986 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 10:53:37,986 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 10:53:37,986 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 10:53:37,986 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 10:53:53,954 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 10:53:53,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:53:53 BoogieIcfgContainer [2018-07-21 10:53:53,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 10:53:53,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 10:53:53,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 10:53:53,959 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 10:53:53,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:53:31" (1/3) ... [2018-07-21 10:53:53,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12949799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:53:53, skipping insertion in model container [2018-07-21 10:53:53,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:36" (2/3) ... [2018-07-21 10:53:53,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12949799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:53:53, skipping insertion in model container [2018-07-21 10:53:53,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:53:53" (3/3) ... [2018-07-21 10:53:53,963 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label27_true-unreach-call.c [2018-07-21 10:53:53,971 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 10:53:53,981 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 10:53:54,059 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 10:53:54,059 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 10:53:54,060 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 10:53:54,060 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 10:53:54,060 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 10:53:54,060 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 10:53:54,061 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 10:53:54,061 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 10:53:54,061 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 10:53:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states. [2018-07-21 10:53:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1690 [2018-07-21 10:53:54,275 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 10:53:54,278 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 10:53:54,278 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 10:53:54,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1498604566, now seen corresponding path program 1 times [2018-07-21 10:53:54,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 10:53:54,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:53:54,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 10:53:54,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:53:54,347 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 10:53:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 10:53:57,349 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 10:54:00,231 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 10:54:00,233 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 10:54:00,234 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 10:54:00,234 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 10:54:00,243 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 10:54:00,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 10:54:00,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 10:54:00,257 INFO L87 Difference]: Start difference. First operand 2223 states. Second operand 3 states. [2018-07-21 10:54:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 10:54:11,235 INFO L93 Difference]: Finished difference Result 6273 states and 11802 transitions. [2018-07-21 10:54:11,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 10:54:11,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1689 [2018-07-21 10:54:11,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 10:54:11,327 INFO L225 Difference]: With dead ends: 6273 [2018-07-21 10:54:11,327 INFO L226 Difference]: Without dead ends: 4048 [2018-07-21 10:54:11,343 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 9 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 10:54:11,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2018-07-21 10:54:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 4038. [2018-07-21 10:54:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4038 states. [2018-07-21 10:54:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 4038 states and 7102 transitions. [2018-07-21 10:54:11,611 INFO L78 Accepts]: Start accepts. Automaton has 4038 states and 7102 transitions. Word has length 1689 [2018-07-21 10:54:11,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 10:54:11,620 INFO L471 AbstractCegarLoop]: Abstraction has 4038 states and 7102 transitions. [2018-07-21 10:54:11,620 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 10:54:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4038 states and 7102 transitions. [2018-07-21 10:54:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1706 [2018-07-21 10:54:11,713 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 10:54:11,714 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 10:54:11,714 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 10:54:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1339773627, now seen corresponding path program 1 times [2018-07-21 10:54:11,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 10:54:11,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:54:11,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 10:54:11,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:54:11,718 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 10:54:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 10:54:12,245 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 10:54:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 10:54:13,994 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 10:54:13,995 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 10:54:13,995 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 10:54:13,999 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 10:54:14,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 10:54:14,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 10:54:14,001 INFO L87 Difference]: Start difference. First operand 4038 states and 7102 transitions. Second operand 6 states. [2018-07-21 10:54:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 10:54:27,790 INFO L93 Difference]: Finished difference Result 11778 states and 20982 transitions. [2018-07-21 10:54:27,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 10:54:27,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1705 [2018-07-21 10:54:27,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 10:54:27,851 INFO L225 Difference]: With dead ends: 11778 [2018-07-21 10:54:27,852 INFO L226 Difference]: Without dead ends: 7746 [2018-07-21 10:54:27,864 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 10:54:27,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7746 states. [2018-07-21 10:54:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7746 to 7671. [2018-07-21 10:54:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7671 states. [2018-07-21 10:54:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 12892 transitions. [2018-07-21 10:54:28,166 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 12892 transitions. Word has length 1705 [2018-07-21 10:54:28,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 10:54:28,167 INFO L471 AbstractCegarLoop]: Abstraction has 7671 states and 12892 transitions. [2018-07-21 10:54:28,167 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 10:54:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 12892 transitions. [2018-07-21 10:54:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2018-07-21 10:54:28,240 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 10:54:28,241 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:28,241 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 10:54:28,243 INFO L82 PathProgramCache]: Analyzing trace with hash 2044247753, now seen corresponding path program 1 times [2018-07-21 10:54:28,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 10:54:28,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:54:28,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 10:54:28,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:54:28,247 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 10:54:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 10:54:28,747 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 10:54:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 10:54:30,174 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 10:54:30,242 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 10:54:30,242 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 10:54:30,245 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 10:54:30,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 10:54:30,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 10:54:30,246 INFO L87 Difference]: Start difference. First operand 7671 states and 12892 transitions. Second operand 6 states. [2018-07-21 10:54:39,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 10:54:39,069 INFO L93 Difference]: Finished difference Result 22988 states and 39739 transitions. [2018-07-21 10:54:39,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 10:54:39,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1708 [2018-07-21 10:54:39,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 10:54:39,163 INFO L225 Difference]: With dead ends: 22988 [2018-07-21 10:54:39,164 INFO L226 Difference]: Without dead ends: 15323 [2018-07-21 10:54:39,189 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 10:54:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15323 states. [2018-07-21 10:54:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15323 to 15100. [2018-07-21 10:54:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15100 states. [2018-07-21 10:54:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15100 states to 15100 states and 25139 transitions. [2018-07-21 10:54:39,713 INFO L78 Accepts]: Start accepts. Automaton has 15100 states and 25139 transitions. Word has length 1708 [2018-07-21 10:54:39,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 10:54:39,713 INFO L471 AbstractCegarLoop]: Abstraction has 15100 states and 25139 transitions. [2018-07-21 10:54:39,713 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 10:54:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 15100 states and 25139 transitions. [2018-07-21 10:54:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2018-07-21 10:54:39,785 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 10:54:39,787 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 10:54:39,787 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output8Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 10:54:39,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1952942856, now seen corresponding path program 1 times [2018-07-21 10:54:39,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 10:54:39,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:54:39,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 10:54:39,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 10:54:39,789 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 10:54:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 10:54:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 10:54:41,086 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 10:54:41,086 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 10:54:41,087 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 1733 with the following transitions: [2018-07-21 10:54:41,093 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [32], [36], [47], [51], [55], [59], [63], [67], [71], [75], [79], [83], [87], [98], [102], [106], [110], [114], [118], [129], [133], [137], [141], [145], [156], [160], [164], [168], [172], [176], [187], [191], [195], [199], [203], [207], [211], [215], [219], [223], [227], [231], [235], [239], [243], [247], [251], [255], [259], [263], [274], [278], [282], [286], [290], [294], [298], [302], [306], [310], [314], [318], [322], [326], [330], [341], [345], [349], [353], [357], [361], [365], [369], [380], [391], [395], [399], [403], [407], [411], [415], [419], [423], [427], [431], [435], [439], [443], [447], [451], [455], [459], [463], [467], [471], [482], [486], [490], [494], [498], [502], [513], [517], [521], [532], [536], [540], [544], [548], [552], [556], [560], [571], [575], [579], [583], [587], [591], [595], [599], [603], [614], [618], [629], [633], [637], [641], [645], [649], [653], [657], [661], [665], [669], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [776], [780], [784], [788], [792], [796], [800], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [886], [890], [894], [898], [902], [906], [910], [914], [925], [929], [933], [937], [948], [959], [963], [967], [971], [975], [986], [990], [994], [1005], [1016], [1020], [1024], [1028], [1039], [1043], [1047], [1051], [1062], [1066], [1070], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], 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[8190], [8194], [8198], [8202], [8206], [8217], [8228], [8232], [8236], [8240], [8244], [8248], [8252], [8256], [8260], [8271], [8275], [8279], [8283], [8287], [8298], [8302], [8306], [8310], [8314], [8318], [8322], [8326], [8337], [8341], [8345], [8349], [8353], [8357], [8368], [8372], [8383], [8387], [8391], [8395], [8406], [8410], [8414], [8418], [8422], [8426], [8430], [8441], [8452], [8456], [8460], [8464], [8468], [8472], [8476], [8480], [8484], [8488], [8492], [8496], [8500], [8504], [8508], [8512], [8516], [8519], [8520], [8522], [8524], [8526], [8528], [8530], [8531], [8532], [8534], [8535], [8536], [8538] [2018-07-21 10:54:41,279 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 10:54:41,280 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-21 10:57:23,652 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 10:57:23,652 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 10:57:23,653 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 10:57:23,653 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 10:57:23,654 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 10:57:23,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 10:57:23,663 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 10:57:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 10:57:24,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 10:57:24,416 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 10:57:24,618 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 10:57:24,618 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 10:57:24,624 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 10:57:24,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:57:24 BoogieIcfgContainer [2018-07-21 10:57:24,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 10:57:24,625 INFO L168 Benchmark]: Toolchain (without parser) took 232663.55 ms. Allocated memory was 309.3 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 224.2 MB in the beginning and 375.8 MB in the end (delta: -151.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. [2018-07-21 10:57:24,626 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 10:57:24,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4550.20 ms. Allocated memory was 309.3 MB in the beginning and 394.3 MB in the end (delta: 84.9 MB). Free memory was 222.2 MB in the beginning and 208.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 207.5 MB. Max. memory is 5.3 GB. [2018-07-21 10:57:24,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.72 ms. Allocated memory is still 394.3 MB. Free memory was 208.3 MB in the beginning and 197.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. [2018-07-21 10:57:24,629 INFO L168 Benchmark]: Boogie Preprocessor took 1205.24 ms. Allocated memory was 394.3 MB in the beginning and 601.9 MB in the end (delta: 207.6 MB). Free memory was 197.0 MB in the beginning and 464.0 MB in the end (delta: -267.0 MB). Peak memory consumption was 48.4 MB. Max. memory is 5.3 GB. [2018-07-21 10:57:24,629 INFO L168 Benchmark]: RCFGBuilder took 16049.39 ms. Allocated memory was 601.9 MB in the beginning and 993.5 MB in the end (delta: 391.6 MB). Free memory was 464.0 MB in the beginning and 797.8 MB in the end (delta: -333.8 MB). Peak memory consumption was 456.7 MB. Max. memory is 5.3 GB. [2018-07-21 10:57:24,630 INFO L168 Benchmark]: TraceAbstraction took 210668.55 ms. Allocated memory was 993.5 MB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 797.8 MB in the beginning and 375.8 MB in the end (delta: 422.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. [2018-07-21 10:57:24,635 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 4550.20 ms. Allocated memory was 309.3 MB in the beginning and 394.3 MB in the end (delta: 84.9 MB). Free memory was 222.2 MB in the beginning and 208.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 207.5 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 175.72 ms. Allocated memory is still 394.3 MB. Free memory was 208.3 MB in the beginning and 197.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 1205.24 ms. Allocated memory was 394.3 MB in the beginning and 601.9 MB in the end (delta: 207.6 MB). Free memory was 197.0 MB in the beginning and 464.0 MB in the end (delta: -267.0 MB). Peak memory consumption was 48.4 MB. Max. memory is 5.3 GB. * RCFGBuilder took 16049.39 ms. Allocated memory was 601.9 MB in the beginning and 993.5 MB in the end (delta: 391.6 MB). Free memory was 464.0 MB in the beginning and 797.8 MB in the end (delta: -333.8 MB). Peak memory consumption was 456.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 210668.55 ms. Allocated memory was 993.5 MB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 797.8 MB in the beginning and 375.8 MB in the end (delta: 422.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 11048]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 11048). Cancelled while BasicCegarLoop was analyzing trace of length 1733 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 2223 locations, 1 error locations. TIMEOUT Result, 210.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 33.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2841 SDtfs, 16402 SDslu, 2221 SDs, 0 SdLazy, 25676 SolverSat, 8741 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 11 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15100occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 162.5s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 308 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 5102 NumberOfCodeBlocks, 5102 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5099 ConstructedInterpolants, 0 QuantifiedInterpolants, 17465656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem05_label27_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_10-57-24-657.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem05_label27_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_10-57-24-657.csv Completed graceful shutdown