java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label30_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:46:51,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:46:51,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:46:51,562 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:46:51,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:46:51,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:46:51,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:46:51,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:46:51,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:46:51,569 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:46:51,570 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:46:51,570 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:46:51,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:46:51,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:46:51,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:46:51,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:46:51,575 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:46:51,577 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:46:51,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:46:51,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:46:51,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:46:51,584 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:46:51,587 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:46:51,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:46:51,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:46:51,591 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:46:51,592 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:46:51,593 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:46:51,594 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:46:51,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:46:51,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:46:51,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:46:51,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:46:51,599 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:46:51,601 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:46:51,601 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:46:51,602 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-10 12:46:51,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:46:51,629 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:46:51,630 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:46:51,631 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:46:51,631 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:46:51,631 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:46:51,631 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:46:51,632 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:46:51,632 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:46:51,632 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:46:51,632 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:46:51,633 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:46:51,633 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:46:51,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:46:51,634 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:46:51,634 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:46:51,634 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:46:51,634 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:46:51,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:46:51,635 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:46:51,635 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:46:51,635 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:46:51,636 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:46:51,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:46:51,636 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:46:51,636 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:46:51,636 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:46:51,637 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:46:51,637 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:46:51,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:46:51,637 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:46:51,637 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:46:51,638 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:46:51,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:46:51,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:46:51,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:46:51,704 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:46:51,704 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:46:51,705 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label30_true-unreach-call.c [2018-09-10 12:46:52,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9320376/dbb4dd3f72f54be885d4483dc4ea153a/FLAG210023d30 [2018-09-10 12:46:52,610 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:46:52,611 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label30_true-unreach-call.c [2018-09-10 12:46:52,665 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9320376/dbb4dd3f72f54be885d4483dc4ea153a/FLAG210023d30 [2018-09-10 12:46:52,687 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9320376/dbb4dd3f72f54be885d4483dc4ea153a [2018-09-10 12:46:52,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:46:52,704 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:46:52,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:46:52,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:46:52,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:46:52,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:46:52" (1/1) ... [2018-09-10 12:46:52,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67aa432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:52, skipping insertion in model container [2018-09-10 12:46:52,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:46:52" (1/1) ... [2018-09-10 12:46:53,169 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:46:54,881 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:46:54,901 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:46:56,119 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:46:56,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56 WrapperNode [2018-09-10 12:46:56,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:46:56,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:46:56,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:46:56,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:46:56,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:57,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:57,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:46:57,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:46:57,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:46:57,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:46:58,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:58,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:58,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:58,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:58,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:59,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:59,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (1/1) ... [2018-09-10 12:46:59,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:46:59,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:46:59,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:46:59,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:46:59,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (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 [2018-09-10 12:46:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:46:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:46:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-10 12:46:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-10 12:46:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 12:46:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-10 12:46:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-10 12:46:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-10 12:46:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-09-10 12:46:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-09-10 12:46:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:46:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:46:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-09-10 12:46:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-09-10 12:46:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:46:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:46:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-10 12:46:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-10 12:47:20,956 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:47:20,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:47:20 BoogieIcfgContainer [2018-09-10 12:47:20,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:47:20,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:47:20,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:47:20,961 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:47:20,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:46:52" (1/3) ... [2018-09-10 12:47:20,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ce29ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:47:20, skipping insertion in model container [2018-09-10 12:47:20,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:46:56" (2/3) ... [2018-09-10 12:47:20,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ce29ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:47:20, skipping insertion in model container [2018-09-10 12:47:20,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:47:20" (3/3) ... [2018-09-10 12:47:20,965 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label30_true-unreach-call.c [2018-09-10 12:47:20,975 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:47:20,986 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:47:21,059 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:47:21,060 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:47:21,060 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:47:21,060 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:47:21,060 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:47:21,060 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:47:21,061 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:47:21,062 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:47:21,062 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:47:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-10 12:47:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-10 12:47:21,134 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:47:21,135 INFO L376 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] [2018-09-10 12:47:21,136 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:47:21,141 INFO L82 PathProgramCache]: Analyzing trace with hash 854055008, now seen corresponding path program 1 times [2018-09-10 12:47:21,143 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:47:21,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:47:21,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:47:21,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:47:21,199 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:47:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:47:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:47:21,746 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:47:21,746 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 12:47:21,746 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:47:21,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:47:21,771 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:47:21,771 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 12:47:21,774 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-10 12:47:43,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:47:43,858 INFO L93 Difference]: Finished difference Result 4999 states and 9420 transitions. [2018-09-10 12:47:43,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:47:43,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-09-10 12:47:43,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:47:43,918 INFO L225 Difference]: With dead ends: 4999 [2018-09-10 12:47:43,918 INFO L226 Difference]: Without dead ends: 3219 [2018-09-10 12:47:43,936 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 12:47:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-09-10 12:47:44,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3215. [2018-09-10 12:47:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-10 12:47:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5845 transitions. [2018-09-10 12:47:44,144 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5845 transitions. Word has length 55 [2018-09-10 12:47:44,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:47:44,145 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5845 transitions. [2018-09-10 12:47:44,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:47:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5845 transitions. [2018-09-10 12:47:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-10 12:47:44,152 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:47:44,152 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:47:44,153 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:47:44,153 INFO L82 PathProgramCache]: Analyzing trace with hash -800328632, now seen corresponding path program 1 times [2018-09-10 12:47:44,153 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:47:44,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:47:44,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:47:44,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:47:44,155 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:47:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:47:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:47:44,758 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:47:44,759 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:47:44,759 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:47:44,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:47:44,761 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:47:44,762 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:47:44,762 INFO L87 Difference]: Start difference. First operand 3215 states and 5845 transitions. Second operand 6 states. [2018-09-10 12:48:24,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:48:24,670 INFO L93 Difference]: Finished difference Result 9676 states and 17669 transitions. [2018-09-10 12:48:24,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:48:24,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-09-10 12:48:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:48:24,717 INFO L225 Difference]: With dead ends: 9676 [2018-09-10 12:48:24,717 INFO L226 Difference]: Without dead ends: 6467 [2018-09-10 12:48:24,729 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:48:24,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6467 states. [2018-09-10 12:48:24,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6467 to 6359. [2018-09-10 12:48:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6359 states. [2018-09-10 12:48:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 9930 transitions. [2018-09-10 12:48:24,928 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 9930 transitions. Word has length 127 [2018-09-10 12:48:24,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:48:24,929 INFO L480 AbstractCegarLoop]: Abstraction has 6359 states and 9930 transitions. [2018-09-10 12:48:24,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:48:24,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 9930 transitions. [2018-09-10 12:48:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-10 12:48:24,933 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:48:24,933 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:48:24,934 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:48:24,934 INFO L82 PathProgramCache]: Analyzing trace with hash 46837464, now seen corresponding path program 1 times [2018-09-10 12:48:24,934 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:48:24,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:48:24,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:48:24,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:48:24,936 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:48:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:48:25,217 WARN L175 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:48:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:48:25,303 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:48:25,304 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:48:25,304 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:48:25,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:48:25,305 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:48:25,305 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:48:25,305 INFO L87 Difference]: Start difference. First operand 6359 states and 9930 transitions. Second operand 6 states. [2018-09-10 12:48:48,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:48:48,552 INFO L93 Difference]: Finished difference Result 20119 states and 31376 transitions. [2018-09-10 12:48:48,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:48:48,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-09-10 12:48:48,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:48:48,607 INFO L225 Difference]: With dead ends: 20119 [2018-09-10 12:48:48,607 INFO L226 Difference]: Without dead ends: 13766 [2018-09-10 12:48:48,627 INFO L604 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 [2018-09-10 12:48:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13766 states. [2018-09-10 12:48:48,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13766 to 13657. [2018-09-10 12:48:48,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13657 states. [2018-09-10 12:48:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13657 states to 13657 states and 19188 transitions. [2018-09-10 12:48:48,942 INFO L78 Accepts]: Start accepts. Automaton has 13657 states and 19188 transitions. Word has length 128 [2018-09-10 12:48:48,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:48:48,943 INFO L480 AbstractCegarLoop]: Abstraction has 13657 states and 19188 transitions. [2018-09-10 12:48:48,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:48:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 13657 states and 19188 transitions. [2018-09-10 12:48:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-10 12:48:48,946 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:48:48,947 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:48:48,947 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:48:48,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1343909258, now seen corresponding path program 1 times [2018-09-10 12:48:48,947 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:48:48,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:48:48,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:48:48,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:48:48,949 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:48:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:48:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:48:49,291 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:48:49,291 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:48:49,291 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:48:49,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:48:49,292 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:48:49,292 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:48:49,293 INFO L87 Difference]: Start difference. First operand 13657 states and 19188 transitions. Second operand 6 states. [2018-09-10 12:49:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:49:36,857 INFO L93 Difference]: Finished difference Result 52355 states and 80216 transitions. [2018-09-10 12:49:36,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-10 12:49:36,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-09-10 12:49:36,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:49:37,001 INFO L225 Difference]: With dead ends: 52355 [2018-09-10 12:49:37,001 INFO L226 Difference]: Without dead ends: 38704 [2018-09-10 12:49:37,074 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-10 12:49:37,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38704 states. [2018-09-10 12:49:37,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38704 to 38362. [2018-09-10 12:49:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38362 states. [2018-09-10 12:49:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38362 states to 38362 states and 51845 transitions. [2018-09-10 12:49:38,036 INFO L78 Accepts]: Start accepts. Automaton has 38362 states and 51845 transitions. Word has length 145 [2018-09-10 12:49:38,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:49:38,037 INFO L480 AbstractCegarLoop]: Abstraction has 38362 states and 51845 transitions. [2018-09-10 12:49:38,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:49:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38362 states and 51845 transitions. [2018-09-10 12:49:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-09-10 12:49:38,046 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:49:38,046 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:49:38,046 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:49:38,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1294758764, now seen corresponding path program 1 times [2018-09-10 12:49:38,047 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:49:38,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:49:38,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:49:38,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:49:38,048 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:49:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:49:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 96 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:49:38,373 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:49:38,374 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/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 [2018-09-10 12:49:38,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:49:38,396 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:49:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:49:38,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:49:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-09-10 12:49:38,757 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:49:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 96 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:49:39,737 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:49:39,737 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-10 12:49:39,737 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:49:39,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:49:39,738 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:49:39,739 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:49:39,739 INFO L87 Difference]: Start difference. First operand 38362 states and 51845 transitions. Second operand 5 states. [2018-09-10 12:50:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:50:04,086 INFO L93 Difference]: Finished difference Result 116537 states and 165966 transitions. [2018-09-10 12:50:04,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:50:04,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2018-09-10 12:50:04,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:50:04,439 INFO L225 Difference]: With dead ends: 116537 [2018-09-10 12:50:04,439 INFO L226 Difference]: Without dead ends: 78181 [2018-09-10 12:50:04,590 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-09-10 12:50:04,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78181 states. [2018-09-10 12:50:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78181 to 76608. [2018-09-10 12:50:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76608 states. [2018-09-10 12:50:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76608 states to 76608 states and 101863 transitions. [2018-09-10 12:50:06,375 INFO L78 Accepts]: Start accepts. Automaton has 76608 states and 101863 transitions. Word has length 210 [2018-09-10 12:50:06,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:50:06,376 INFO L480 AbstractCegarLoop]: Abstraction has 76608 states and 101863 transitions. [2018-09-10 12:50:06,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:50:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 76608 states and 101863 transitions. [2018-09-10 12:50:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-09-10 12:50:06,387 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:50:06,388 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:50:06,388 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:50:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1521608414, now seen corresponding path program 1 times [2018-09-10 12:50:06,389 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:50:06,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:50:06,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:50:06,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:50:06,390 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:50:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:50:06,652 WARN L175 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:50:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 96 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:50:07,077 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:50:07,077 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 12:50:07,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:50:07,616 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:50:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:50:07,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:50:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-09-10 12:50:08,206 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:50:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 96 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:50:08,618 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:50:08,618 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-10 12:50:08,618 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:50:08,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:50:08,619 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:50:08,620 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-10 12:50:08,620 INFO L87 Difference]: Start difference. First operand 76608 states and 101863 transitions. Second operand 5 states. [2018-09-10 12:50:27,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:50:27,920 INFO L93 Difference]: Finished difference Result 170626 states and 240708 transitions. [2018-09-10 12:50:27,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:50:27,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2018-09-10 12:50:27,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:50:28,211 INFO L225 Difference]: With dead ends: 170626 [2018-09-10 12:50:28,211 INFO L226 Difference]: Without dead ends: 94024 [2018-09-10 12:50:28,345 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 446 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-10 12:50:28,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94024 states. [2018-09-10 12:50:29,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94024 to 92622. [2018-09-10 12:50:29,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92622 states. [2018-09-10 12:50:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92622 states to 92622 states and 120806 transitions. [2018-09-10 12:50:30,233 INFO L78 Accepts]: Start accepts. Automaton has 92622 states and 120806 transitions. Word has length 226 [2018-09-10 12:50:30,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:50:30,233 INFO L480 AbstractCegarLoop]: Abstraction has 92622 states and 120806 transitions. [2018-09-10 12:50:30,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:50:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 92622 states and 120806 transitions. [2018-09-10 12:50:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2018-09-10 12:50:30,260 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:50:30,261 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:50:30,261 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 12:50:30,261 INFO L82 PathProgramCache]: Analyzing trace with hash -101199784, now seen corresponding path program 1 times [2018-09-10 12:50:30,261 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:50:30,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:50:30,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:50:30,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:50:30,263 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:50:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:50:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-09-10 12:50:31,195 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:50:31,195 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:50:31,195 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:50:31,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:50:31,197 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:50:31,197 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:50:31,197 INFO L87 Difference]: Start difference. First operand 92622 states and 120806 transitions. Second operand 4 states. Received shutdown request... [2018-09-10 12:50:49,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:50:49,068 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 12:50:49,074 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 12:50:49,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:50:49 BoogieIcfgContainer [2018-09-10 12:50:49,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:50:49,075 INFO L168 Benchmark]: Toolchain (without parser) took 236374.52 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -592.0 kB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-10 12:50:49,076 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-10 12:50:49,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4135.71 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 195.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -116.4 MB). Peak memory consumption was 489.9 MB. Max. memory is 7.1 GB. [2018-09-10 12:50:49,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 348.03 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. [2018-09-10 12:50:49,081 INFO L168 Benchmark]: Boogie Preprocessor took 2203.17 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 831.5 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -835.2 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. [2018-09-10 12:50:49,082 INFO L168 Benchmark]: RCFGBuilder took 21564.47 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 271.6 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 235.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-10 12:50:49,084 INFO L168 Benchmark]: TraceAbstraction took 208116.34 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 931.7 MB). Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 652.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-10 12:50:49,091 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 4135.71 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 195.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -116.4 MB). Peak memory consumption was 489.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 348.03 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2203.17 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 831.5 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -835.2 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21564.47 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 271.6 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 235.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 208116.34 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 931.7 MB). Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 652.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 160). Cancelled while BasicCegarLoop was constructing difference of abstraction (92622states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement), while ReachableStatesComputation was computing reachable states (198858 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 208.0s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 195.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5794 SDtfs, 41906 SDslu, 4612 SDs, 0 SdLazy, 63941 SolverSat, 18253 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 171.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 929 GetRequests, 877 SyntacticMatches, 8 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92622occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 3538 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 2066 NumberOfCodeBlocks, 2066 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2491 ConstructedInterpolants, 0 QuantifiedInterpolants, 1745786 SizeOfPredicates, 2 NumberOfNonLiveVariables, 860 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1069/1335 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label30_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-50-49-111.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label30_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-50-49-111.csv Completed graceful shutdown