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_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:51:24,553 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:51:24,555 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:51:24,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:51:24,570 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:51:24,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:51:24,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:51:24,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:51:24,577 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:51:24,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:51:24,581 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:51:24,581 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:51:24,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:51:24,583 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:51:24,585 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:51:24,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:51:24,586 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:51:24,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:51:24,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:51:24,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:51:24,601 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:51:24,602 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:51:24,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:51:24,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:51:24,610 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:51:24,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:51:24,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:51:24,614 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:51:24,615 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:51:24,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:51:24,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:51:24,620 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:51:24,620 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:51:24,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:51:24,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:51:24,622 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:51:24,625 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 12:51:24,650 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:51:24,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:51:24,651 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:51:24,651 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:51:24,651 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:51:24,651 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:51:24,652 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:51:24,652 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:51:24,652 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:51:24,652 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:51:24,652 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:51:24,653 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:51:24,653 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:51:24,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:51:24,654 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:51:24,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:51:24,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:51:24,654 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:51:24,654 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:51:24,655 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:51:24,655 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:51:24,655 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:51:24,655 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:51:24,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:51:24,656 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:51:24,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:51:24,656 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:51:24,656 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:51:24,656 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:51:24,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:51:24,657 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:51:24,657 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:51:24,657 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:51:24,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:51:24,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:51:24,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:51:24,723 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:51:24,723 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:51:24,724 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-09-10 12:51:25,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55331c62/0a673439887f4cd7a3b93f4e1f39d0f1/FLAG1c3109ee7 [2018-09-10 12:51:25,710 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:51:25,711 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-09-10 12:51:25,756 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55331c62/0a673439887f4cd7a3b93f4e1f39d0f1/FLAG1c3109ee7 [2018-09-10 12:51:25,772 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55331c62/0a673439887f4cd7a3b93f4e1f39d0f1 [2018-09-10 12:51:25,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:51:25,788 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:51:25,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:51:25,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:51:25,796 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:51:25,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:51:25" (1/1) ... [2018-09-10 12:51:25,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed21f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:25, skipping insertion in model container [2018-09-10 12:51:25,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:51:25" (1/1) ... [2018-09-10 12:51:26,322 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:51:27,999 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:51:28,021 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:51:29,193 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:51:29,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29 WrapperNode [2018-09-10 12:51:29,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:51:29,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:51:29,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:51:29,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:51:29,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:30,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:30,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:51:30,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:51:30,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:51:30,309 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:51:31,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:31,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:31,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:31,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:31,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:32,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:32,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (1/1) ... [2018-09-10 12:51:32,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:51:32,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:51:32,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:51:32,226 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:51:32,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (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 12:51:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:51:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:51:32,296 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 12:51:32,296 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 12:51:32,296 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 12:51:32,296 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 12:51:32,296 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 12:51:32,296 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 12:51:32,297 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 12:51:32,297 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 12:51:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:51:32,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:51:32,297 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 12:51:32,297 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 12:51:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:51:32,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:51:32,299 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 12:51:32,300 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 12:51:53,831 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:51:53,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:51:53 BoogieIcfgContainer [2018-09-10 12:51:53,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:51:53,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:51:53,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:51:53,837 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:51:53,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:51:25" (1/3) ... [2018-09-10 12:51:53,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48232ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:51:53, skipping insertion in model container [2018-09-10 12:51:53,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:51:29" (2/3) ... [2018-09-10 12:51:53,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48232ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:51:53, skipping insertion in model container [2018-09-10 12:51:53,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:51:53" (3/3) ... [2018-09-10 12:51:53,840 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-09-10 12:51:53,850 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:51:53,860 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:51:53,931 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:51:53,931 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:51:53,932 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:51:53,932 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:51:53,932 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:51:53,932 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:51:53,932 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:51:53,932 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:51:53,933 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:51:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-10 12:51:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-10 12:51:54,008 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:51:54,010 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:51:54,011 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 12:51:54,016 INFO L82 PathProgramCache]: Analyzing trace with hash 679493504, now seen corresponding path program 1 times [2018-09-10 12:51:54,018 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:51:54,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:51:54,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:51:54,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:51:54,073 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:51:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:51:54,575 WARN L175 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:51:54,696 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 12:51:54,698 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:51:54,699 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 12:51:54,699 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:51:54,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:51:54,721 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:51:54,722 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 12:51:54,724 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-10 12:52:11,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:52:11,989 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-10 12:52:11,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:52:11,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-09-10 12:52:11,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:52:12,044 INFO L225 Difference]: With dead ends: 4998 [2018-09-10 12:52:12,045 INFO L226 Difference]: Without dead ends: 3218 [2018-09-10 12:52:12,058 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 12:52:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-10 12:52:12,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-10 12:52:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-10 12:52:12,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-10 12:52:12,253 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-09-10 12:52:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:52:12,255 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-10 12:52:12,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:52:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-10 12:52:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-10 12:52:12,264 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:52:12,264 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, 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] [2018-09-10 12:52:12,265 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 12:52:12,265 INFO L82 PathProgramCache]: Analyzing trace with hash 189064106, now seen corresponding path program 1 times [2018-09-10 12:52:12,265 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:52:12,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:52:12,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:52:12,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:52:12,267 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:52:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:52:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:52:12,792 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:52:12,792 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:52:12,793 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:52:12,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:52:12,795 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:52:12,796 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:52:12,796 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-10 12:52:46,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:52:46,765 INFO L93 Difference]: Finished difference Result 9683 states and 17692 transitions. [2018-09-10 12:52:46,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:52:46,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-09-10 12:52:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:52:46,812 INFO L225 Difference]: With dead ends: 9683 [2018-09-10 12:52:46,813 INFO L226 Difference]: Without dead ends: 6474 [2018-09-10 12:52:46,824 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 12:52:46,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2018-09-10 12:52:46,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6371. [2018-09-10 12:52:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6371 states. [2018-09-10 12:52:47,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 9959 transitions. [2018-09-10 12:52:47,025 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 9959 transitions. Word has length 135 [2018-09-10 12:52:47,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:52:47,025 INFO L480 AbstractCegarLoop]: Abstraction has 6371 states and 9959 transitions. [2018-09-10 12:52:47,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:52:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 9959 transitions. [2018-09-10 12:52:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-10 12:52:47,037 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:52:47,037 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, 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] [2018-09-10 12:52:47,038 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 12:52:47,038 INFO L82 PathProgramCache]: Analyzing trace with hash 642735413, now seen corresponding path program 1 times [2018-09-10 12:52:47,038 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:52:47,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:52:47,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:52:47,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:52:47,043 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:52:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:52:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:52:47,435 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:52:47,435 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:52:47,435 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:52:47,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:52:47,437 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:52:47,437 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:52:47,437 INFO L87 Difference]: Start difference. First operand 6371 states and 9959 transitions. Second operand 6 states. [2018-09-10 12:53:14,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:53:14,963 INFO L93 Difference]: Finished difference Result 24553 states and 39540 transitions. [2018-09-10 12:53:14,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:53:14,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-09-10 12:53:14,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:53:15,040 INFO L225 Difference]: With dead ends: 24553 [2018-09-10 12:53:15,041 INFO L226 Difference]: Without dead ends: 18188 [2018-09-10 12:53:15,069 INFO L604 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 [2018-09-10 12:53:15,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18188 states. [2018-09-10 12:53:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18188 to 17977. [2018-09-10 12:53:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17977 states. [2018-09-10 12:53:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17977 states to 17977 states and 26506 transitions. [2018-09-10 12:53:15,472 INFO L78 Accepts]: Start accepts. Automaton has 17977 states and 26506 transitions. Word has length 137 [2018-09-10 12:53:15,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:53:15,473 INFO L480 AbstractCegarLoop]: Abstraction has 17977 states and 26506 transitions. [2018-09-10 12:53:15,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:53:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 17977 states and 26506 transitions. [2018-09-10 12:53:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-09-10 12:53:15,478 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:53:15,479 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, 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] [2018-09-10 12:53:15,479 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 12:53:15,479 INFO L82 PathProgramCache]: Analyzing trace with hash -518951826, now seen corresponding path program 1 times [2018-09-10 12:53:15,479 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:53:15,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:15,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:53:15,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:53:15,481 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:53:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:53:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:53:15,879 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:53:15,879 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-10 12:53:15,880 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:53:15,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 12:53:15,880 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 12:53:15,881 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:53:15,881 INFO L87 Difference]: Start difference. First operand 17977 states and 26506 transitions. Second operand 7 states. [2018-09-10 12:54:04,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:54:04,131 INFO L93 Difference]: Finished difference Result 72425 states and 117090 transitions. [2018-09-10 12:54:04,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-10 12:54:04,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187 [2018-09-10 12:54:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:54:04,376 INFO L225 Difference]: With dead ends: 72425 [2018-09-10 12:54:04,376 INFO L226 Difference]: Without dead ends: 54454 [2018-09-10 12:54:04,471 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-10 12:54:04,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54454 states. [2018-09-10 12:54:05,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54454 to 54052. [2018-09-10 12:54:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54052 states. [2018-09-10 12:54:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54052 states to 54052 states and 76329 transitions. [2018-09-10 12:54:05,790 INFO L78 Accepts]: Start accepts. Automaton has 54052 states and 76329 transitions. Word has length 187 [2018-09-10 12:54:05,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:54:05,791 INFO L480 AbstractCegarLoop]: Abstraction has 54052 states and 76329 transitions. [2018-09-10 12:54:05,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 12:54:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 54052 states and 76329 transitions. [2018-09-10 12:54:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-10 12:54:05,797 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:54:05,797 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, 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] [2018-09-10 12:54:05,798 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 12:54:05,798 INFO L82 PathProgramCache]: Analyzing trace with hash 12339429, now seen corresponding path program 1 times [2018-09-10 12:54:05,798 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:54:05,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:54:05,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:54:05,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:54:05,799 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:54:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:54:06,104 WARN L175 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:54:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:54:06,516 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:54:06,516 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 12:54:06,516 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:54:06,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:54:06,517 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:54:06,517 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 12:54:06,518 INFO L87 Difference]: Start difference. First operand 54052 states and 76329 transitions. Second operand 6 states. [2018-09-10 12:54:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:54:34,546 INFO L93 Difference]: Finished difference Result 144850 states and 218668 transitions. [2018-09-10 12:54:34,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:54:34,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-09-10 12:54:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:54:34,828 INFO L225 Difference]: With dead ends: 144850 [2018-09-10 12:54:34,828 INFO L226 Difference]: Without dead ends: 90804 [2018-09-10 12:54:34,990 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-10 12:54:35,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90804 states. [2018-09-10 12:54:36,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90804 to 90119. [2018-09-10 12:54:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90119 states. [2018-09-10 12:54:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90119 states to 90119 states and 127724 transitions. [2018-09-10 12:54:36,800 INFO L78 Accepts]: Start accepts. Automaton has 90119 states and 127724 transitions. Word has length 196 [2018-09-10 12:54:36,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:54:36,801 INFO L480 AbstractCegarLoop]: Abstraction has 90119 states and 127724 transitions. [2018-09-10 12:54:36,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:54:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90119 states and 127724 transitions. [2018-09-10 12:54:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-09-10 12:54:36,821 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:54:36,821 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, 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, 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 12:54:36,821 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 12:54:36,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1484053045, now seen corresponding path program 1 times [2018-09-10 12:54:36,822 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:54:36,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:54:36,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:54:36,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:54:36,823 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:54:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:54:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 112 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 12:54:37,234 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:54:37,234 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 12:54:37,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:54:37,251 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:54:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:54:37,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:54:37,582 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-09-10 12:54:37,583 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:54:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-10 12:54:37,768 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:54:37,769 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-09-10 12:54:37,769 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:54:37,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:54:37,770 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:54:37,770 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:54:37,770 INFO L87 Difference]: Start difference. First operand 90119 states and 127724 transitions. Second operand 3 states. [2018-09-10 12:54:54,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:54:54,448 INFO L93 Difference]: Finished difference Result 209010 states and 312115 transitions. [2018-09-10 12:54:54,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:54:54,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2018-09-10 12:54:54,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:54:55,067 INFO L225 Difference]: With dead ends: 209010 [2018-09-10 12:54:55,067 INFO L226 Difference]: Without dead ends: 118897 [2018-09-10 12:54:55,402 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:54:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118897 states. [2018-09-10 12:54:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118897 to 118843. [2018-09-10 12:54:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118843 states. [2018-09-10 12:54:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118843 states to 118843 states and 167804 transitions. [2018-09-10 12:54:58,460 INFO L78 Accepts]: Start accepts. Automaton has 118843 states and 167804 transitions. Word has length 247 [2018-09-10 12:54:58,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:54:58,460 INFO L480 AbstractCegarLoop]: Abstraction has 118843 states and 167804 transitions. [2018-09-10 12:54:58,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:54:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 118843 states and 167804 transitions. [2018-09-10 12:54:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-09-10 12:54:58,491 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:54:58,492 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 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 12:54:58,492 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 12:54:58,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1731873858, now seen corresponding path program 1 times [2018-09-10 12:54:58,493 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:54:58,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:54:58,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:54:58,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:54:58,494 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:54:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:54:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 168 proven. 145 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-09-10 12:54:58,815 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:54:58,816 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 12:54:58,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:54:58,824 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:54:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:54:58,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:54:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-09-10 12:54:59,056 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:54:59,341 WARN L175 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-10 12:54:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 168 proven. 145 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-09-10 12:54:59,720 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:54:59,720 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-10 12:54:59,720 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:54:59,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:54:59,721 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:54:59,722 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:54:59,722 INFO L87 Difference]: Start difference. First operand 118843 states and 167804 transitions. Second operand 5 states. Received shutdown request... [2018-09-10 12:55:25,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 12:55:25,271 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 12:55:25,277 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 12:55:25,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:55:25 BoogieIcfgContainer [2018-09-10 12:55:25,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:55:25,279 INFO L168 Benchmark]: Toolchain (without parser) took 239493.28 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -258.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-10 12:55:25,280 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 12:55:25,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4194.18 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 201.3 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -123.6 MB). Peak memory consumption was 489.0 MB. Max. memory is 7.1 GB. [2018-09-10 12:55:25,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 324.05 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 12:55:25,282 INFO L168 Benchmark]: Boogie Preprocessor took 1917.22 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 821.0 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -823.1 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. [2018-09-10 12:55:25,283 INFO L168 Benchmark]: RCFGBuilder took 21606.49 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 289.9 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 218.4 MB). Peak memory consumption was 999.4 MB. Max. memory is 7.1 GB. [2018-09-10 12:55:25,284 INFO L168 Benchmark]: TraceAbstraction took 211444.77 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 727.7 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 408.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-10 12:55:25,290 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 4194.18 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 201.3 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -123.6 MB). Peak memory consumption was 489.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 324.05 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 1917.22 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 821.0 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -823.1 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21606.49 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 289.9 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 218.4 MB). Peak memory consumption was 999.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211444.77 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 727.7 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 408.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was constructing difference of abstraction (118843states) and FLOYD_HOARE automaton (currently 8 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (243094 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 211.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 199.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6754 SDtfs, 38207 SDslu, 5477 SDs, 0 SdLazy, 70376 SolverSat, 17066 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 172.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1181 GetRequests, 1133 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118843occurred 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: 6.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 1458 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2390 ConstructedInterpolants, 0 QuantifiedInterpolants, 1453936 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1033 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1633/2006 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_label57_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-55-25-307.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label57_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-55-25-307.csv Completed graceful shutdown