java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:26:40,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:26:40,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:26:40,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:26:40,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:26:40,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:26:40,609 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:26:40,610 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:26:40,612 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:26:40,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:26:40,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:26:40,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:26:40,615 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:26:40,616 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:26:40,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:26:40,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:26:40,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:26:40,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:26:40,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:26:40,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:26:40,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:26:40,626 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:26:40,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:26:40,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:26:40,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:26:40,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:26:40,631 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:26:40,632 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:26:40,633 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:26:40,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:26:40,634 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:26:40,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 19:26:40,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 19:26:40,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 19:26:40,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 19:26:40,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 19:26:40,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 19:26:40,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:26:40,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:26:40,668 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:26:40,669 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:26:40,669 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:26:40,669 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:26:40,669 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:26:40,670 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:26:40,670 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:26:40,670 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:26:40,671 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:26:40,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:26:40,672 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:26:40,672 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:26:40,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:26:40,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:26:40,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:26:40,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:26:40,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:26:40,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:26:40,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:26:40,675 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:26:40,675 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:26:40,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:26:40,676 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:26:40,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:26:40,677 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:26:40,677 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:26:40,677 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:26:40,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:26:40,678 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:26:40,678 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:26:40,678 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:26:40,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:26:40,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:26:40,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:26:40,768 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:26:40,768 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:26:40,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c [2018-07-23 19:26:41,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f82c8641/98556203e02c47fd91dfb122fdafed48/FLAG642b3583c [2018-07-23 19:26:41,655 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:26:41,657 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c [2018-07-23 19:26:41,708 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f82c8641/98556203e02c47fd91dfb122fdafed48/FLAG642b3583c [2018-07-23 19:26:41,729 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f82c8641/98556203e02c47fd91dfb122fdafed48 [2018-07-23 19:26:41,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:26:41,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:26:41,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:26:41,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:26:41,759 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:26:41,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:26:41" (1/1) ... [2018-07-23 19:26:41,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bdf07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:41, skipping insertion in model container [2018-07-23 19:26:41,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:26:41" (1/1) ... [2018-07-23 19:26:42,198 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:26:43,500 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:26:43,525 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:26:44,332 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:26:44,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44 WrapperNode [2018-07-23 19:26:44,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:26:44,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:26:44,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:26:44,684 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:26:44,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:44,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:45,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:26:45,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:26:45,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:26:45,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:26:45,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:45,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:46,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:46,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:46,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:46,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:46,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... [2018-07-23 19:26:46,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:26:46,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:26:46,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:26:46,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:26:46,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:26:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:26:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:26:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 19:26:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 19:26:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:26:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:26:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:26:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:26:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:26:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:26:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 19:26:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 19:26:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:26:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:27:02,550 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:27:02,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:27:02 BoogieIcfgContainer [2018-07-23 19:27:02,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:27:02,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:27:02,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:27:02,558 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:27:02,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:26:41" (1/3) ... [2018-07-23 19:27:02,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a955d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:27:02, skipping insertion in model container [2018-07-23 19:27:02,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:26:44" (2/3) ... [2018-07-23 19:27:02,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a955d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:27:02, skipping insertion in model container [2018-07-23 19:27:02,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:27:02" (3/3) ... [2018-07-23 19:27:02,562 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label04_false-unreach-call.c [2018-07-23 19:27:02,574 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:27:02,585 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:27:02,655 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:27:02,656 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:27:02,657 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:27:02,657 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:27:02,657 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:27:02,657 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:27:02,657 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:27:02,657 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:27:02,657 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:27:02,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-07-23 19:27:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 19:27:02,709 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:27:02,710 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:27:02,711 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:27:02,718 INFO L82 PathProgramCache]: Analyzing trace with hash 61225483, now seen corresponding path program 1 times [2018-07-23 19:27:02,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:27:02,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:02,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:27:02,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:02,779 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:27:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:27:03,210 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:27:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:27:03,330 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:27:03,331 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 19:27:03,331 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:27:03,338 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 19:27:03,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 19:27:03,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:27:03,360 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-07-23 19:27:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:27:13,199 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-07-23 19:27:13,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 19:27:13,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-07-23 19:27:13,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:27:13,239 INFO L225 Difference]: With dead ends: 3097 [2018-07-23 19:27:13,239 INFO L226 Difference]: Without dead ends: 1975 [2018-07-23 19:27:13,251 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:27:13,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-07-23 19:27:13,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-07-23 19:27:13,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-07-23 19:27:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-07-23 19:27:13,409 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 23 [2018-07-23 19:27:13,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:27:13,410 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-07-23 19:27:13,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 19:27:13,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-07-23 19:27:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 19:27:13,420 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:27:13,421 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:27:13,421 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:27:13,423 INFO L82 PathProgramCache]: Analyzing trace with hash 511124282, now seen corresponding path program 1 times [2018-07-23 19:27:13,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:27:13,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:13,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:27:13,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:13,425 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:27:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:27:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:27:13,732 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:27:13,732 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 19:27:13,733 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:27:13,734 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 19:27:13,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 19:27:13,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 19:27:13,739 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-07-23 19:27:37,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:27:37,581 INFO L93 Difference]: Finished difference Result 5736 states and 9691 transitions. [2018-07-23 19:27:37,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 19:27:37,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-07-23 19:27:37,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:27:37,614 INFO L225 Difference]: With dead ends: 5736 [2018-07-23 19:27:37,614 INFO L226 Difference]: Without dead ends: 3768 [2018-07-23 19:27:37,622 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 19:27:37,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-07-23 19:27:37,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3686. [2018-07-23 19:27:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2018-07-23 19:27:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5661 transitions. [2018-07-23 19:27:37,765 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5661 transitions. Word has length 99 [2018-07-23 19:27:37,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:27:37,766 INFO L471 AbstractCegarLoop]: Abstraction has 3686 states and 5661 transitions. [2018-07-23 19:27:37,766 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 19:27:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5661 transitions. [2018-07-23 19:27:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 19:27:37,777 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:27:37,777 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:27:37,778 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:27:37,778 INFO L82 PathProgramCache]: Analyzing trace with hash -933882474, now seen corresponding path program 1 times [2018-07-23 19:27:37,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:27:37,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:37,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:27:37,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:37,781 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:27:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:27:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:27:38,154 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:27:38,154 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:27:38,154 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:27:38,155 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:27:38,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:27:38,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:27:38,155 INFO L87 Difference]: Start difference. First operand 3686 states and 5661 transitions. Second operand 6 states. [2018-07-23 19:27:47,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:27:47,992 INFO L93 Difference]: Finished difference Result 10872 states and 17252 transitions. [2018-07-23 19:27:47,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:27:47,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-07-23 19:27:47,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:27:48,036 INFO L225 Difference]: With dead ends: 10872 [2018-07-23 19:27:48,036 INFO L226 Difference]: Without dead ends: 7192 [2018-07-23 19:27:48,050 INFO L573 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 [2018-07-23 19:27:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7192 states. [2018-07-23 19:27:48,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7192 to 7143. [2018-07-23 19:27:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7143 states. [2018-07-23 19:27:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7143 states to 7143 states and 10341 transitions. [2018-07-23 19:27:48,248 INFO L78 Accepts]: Start accepts. Automaton has 7143 states and 10341 transitions. Word has length 113 [2018-07-23 19:27:48,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:27:48,249 INFO L471 AbstractCegarLoop]: Abstraction has 7143 states and 10341 transitions. [2018-07-23 19:27:48,249 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:27:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 7143 states and 10341 transitions. [2018-07-23 19:27:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 19:27:48,252 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:27:48,252 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:27:48,252 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:27:48,252 INFO L82 PathProgramCache]: Analyzing trace with hash -2060584010, now seen corresponding path program 1 times [2018-07-23 19:27:48,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:27:48,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:48,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:27:48,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:27:48,259 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:27:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:27:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:27:48,525 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:27:48,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:27:48,525 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:27:48,525 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:27:48,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:27:48,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:27:48,526 INFO L87 Difference]: Start difference. First operand 7143 states and 10341 transitions. Second operand 6 states. [2018-07-23 19:28:03,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:28:03,888 INFO L93 Difference]: Finished difference Result 24015 states and 36823 transitions. [2018-07-23 19:28:03,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:28:03,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-07-23 19:28:03,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:28:04,011 INFO L225 Difference]: With dead ends: 24015 [2018-07-23 19:28:04,012 INFO L226 Difference]: Without dead ends: 16878 [2018-07-23 19:28:04,067 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 19:28:04,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16878 states. [2018-07-23 19:28:04,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16878 to 16671. [2018-07-23 19:28:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16671 states. [2018-07-23 19:28:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16671 states to 16671 states and 23896 transitions. [2018-07-23 19:28:04,577 INFO L78 Accepts]: Start accepts. Automaton has 16671 states and 23896 transitions. Word has length 129 [2018-07-23 19:28:04,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:28:04,578 INFO L471 AbstractCegarLoop]: Abstraction has 16671 states and 23896 transitions. [2018-07-23 19:28:04,578 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:28:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 16671 states and 23896 transitions. [2018-07-23 19:28:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 19:28:04,584 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:28:04,585 INFO L353 BasicCegarLoop]: trace histogram [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, 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] [2018-07-23 19:28:04,585 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:28:04,588 INFO L82 PathProgramCache]: Analyzing trace with hash 2126015213, now seen corresponding path program 1 times [2018-07-23 19:28:04,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:28:04,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:04,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:28:04,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:28:04,590 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:28:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:28:04,892 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:28:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 32 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 19:28:05,188 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:28:05,188 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:28:05,189 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-07-23 19:28:05,191 INFO L201 CegarAbsIntRunner]: [0], [1], [303], [307], [313], [317], [319], [2652], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2735], [2737], [2740], [2748], [2756], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3124], [3132], [3140], [3145], [3149], [3153], [3157], [3161], [3172], [3175], [3176], [3180], [3183], [4262], [4263], [4264], [4265], [4267], [4268] [2018-07-23 19:28:05,258 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:28:05,258 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:28:11,364 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:28:11,365 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-23 19:28:11,407 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:28:16,432 INFO L232 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 70.92% of their original sizes. [2018-07-23 19:28:16,432 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:28:16,998 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:28:17,000 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:28:17,000 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 19:28:17,000 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:28:17,001 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 19:28:17,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 19:28:17,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 19:28:17,002 INFO L87 Difference]: Start difference. First operand 16671 states and 23896 transitions. Second operand 7 states. [2018-07-23 19:28:49,518 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 19:30:21,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:30:21,208 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:30:21,214 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:30:21,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:30:21 BoogieIcfgContainer [2018-07-23 19:30:21,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:30:21,216 INFO L168 Benchmark]: Toolchain (without parser) took 219473.33 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 975.5 MB. Max. memory is 7.1 GB. [2018-07-23 19:30:21,218 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 19:30:21,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2934.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-07-23 19:30:21,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 415.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-23 19:30:21,222 INFO L168 Benchmark]: Boogie Preprocessor took 1305.89 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 982.0 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.2 MB. Max. memory is 7.1 GB. [2018-07-23 19:30:21,224 INFO L168 Benchmark]: RCFGBuilder took 16145.41 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 180.9 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 39.4 MB). Peak memory consumption was 762.2 MB. Max. memory is 7.1 GB. [2018-07-23 19:30:21,225 INFO L168 Benchmark]: TraceAbstraction took 198661.09 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: -823.3 MB). Peak memory consumption was 685.6 MB. Max. memory is 7.1 GB. [2018-07-23 19:30:21,233 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2934.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 415.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1305.89 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 982.0 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16145.41 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 180.9 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 39.4 MB). Peak memory consumption was 762.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 198661.09 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: -823.3 MB). Peak memory consumption was 685.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 60). Cancelled while BasicCegarLoop was constructing difference of abstraction (16671states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (7846 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 198.5s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 183.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2418 SDtfs, 13170 SDslu, 2252 SDs, 0 SdLazy, 20117 SolverSat, 5285 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 150.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 212 GetRequests, 181 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16671occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9944930069930069 AbsIntWeakeningRatio, 0.1534090909090909 AbsIntAvgWeakeningVarsNumRemoved, 1004.0113636363636 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 339 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 536 ConstructedInterpolants, 0 QuantifiedInterpolants, 300732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 85/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label04_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-30-21-250.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label04_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-30-21-250.csv Completed graceful shutdown