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-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label44_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 23:37:05,750 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 23:37:05,752 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 23:37:05,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 23:37:05,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 23:37:05,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 23:37:05,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 23:37:05,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 23:37:05,772 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 23:37:05,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 23:37:05,773 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 23:37:05,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 23:37:05,775 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 23:37:05,776 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 23:37:05,777 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 23:37:05,777 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 23:37:05,778 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 23:37:05,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 23:37:05,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 23:37:05,784 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 23:37:05,785 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 23:37:05,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 23:37:05,789 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 23:37:05,789 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 23:37:05,789 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 23:37:05,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 23:37:05,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 23:37:05,792 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 23:37:05,793 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 23:37:05,794 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 23:37:05,794 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 23:37:05,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 23:37:05,795 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 23:37:05,795 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 23:37:05,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 23:37:05,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 23:37:05,797 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-11 23:37:05,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 23:37:05,814 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 23:37:05,818 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 23:37:05,818 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 23:37:05,818 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 23:37:05,818 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 23:37:05,818 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-11 23:37:05,819 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 23:37:05,819 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-11 23:37:05,819 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 23:37:05,819 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 23:37:05,821 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 23:37:05,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 23:37:05,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 23:37:05,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 23:37:05,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 23:37:05,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 23:37:05,823 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 23:37:05,823 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 23:37:05,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 23:37:05,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 23:37:05,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 23:37:05,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 23:37:05,826 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 23:37:05,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 23:37:05,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 23:37:05,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 23:37:05,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 23:37:05,827 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 23:37:05,827 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 23:37:05,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 23:37:05,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 23:37:05,828 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 23:37:05,828 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 23:37:05,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 23:37:05,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 23:37:05,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 23:37:05,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 23:37:05,895 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 23:37:05,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label44_true-unreach-call.c [2018-09-11 23:37:06,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4720ba967/89357c67718a4b3a93e082e9881b1666/FLAGe17be30c3 [2018-09-11 23:37:06,872 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 23:37:06,873 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label44_true-unreach-call.c [2018-09-11 23:37:06,933 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4720ba967/89357c67718a4b3a93e082e9881b1666/FLAGe17be30c3 [2018-09-11 23:37:06,956 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4720ba967/89357c67718a4b3a93e082e9881b1666 [2018-09-11 23:37:06,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 23:37:06,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 23:37:06,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 23:37:06,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 23:37:06,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 23:37:06,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:37:06" (1/1) ... [2018-09-11 23:37:06,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3c8269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:06, skipping insertion in model container [2018-09-11 23:37:06,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:37:06" (1/1) ... [2018-09-11 23:37:07,499 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 23:37:09,175 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 23:37:09,196 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 23:37:10,668 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 23:37:11,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11 WrapperNode [2018-09-11 23:37:11,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 23:37:11,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 23:37:11,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 23:37:11,555 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 23:37:11,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:11,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:11,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 23:37:11,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 23:37:11,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 23:37:11,933 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 23:37:12,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:12,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:13,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:13,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:13,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:13,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:13,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (1/1) ... [2018-09-11 23:37:13,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 23:37:13,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 23:37:13,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 23:37:13,674 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 23:37:13,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (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 [2018-09-11 23:37:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 23:37:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 23:37:13,746 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 [2018-09-11 23:37:13,746 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 [2018-09-11 23:37:13,746 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 [2018-09-11 23:37:13,746 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 [2018-09-11 23:37:13,746 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 [2018-09-11 23:37:13,747 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 [2018-09-11 23:37:13,747 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 [2018-09-11 23:37:13,747 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 [2018-09-11 23:37:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 23:37:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 23:37:13,747 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 [2018-09-11 23:37:13,748 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 [2018-09-11 23:37:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 23:37:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 23:37:13,749 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 [2018-09-11 23:37:13,749 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 [2018-09-11 23:37:36,267 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 23:37:36,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:37:36 BoogieIcfgContainer [2018-09-11 23:37:36,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 23:37:36,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 23:37:36,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 23:37:36,272 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 23:37:36,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 11:37:06" (1/3) ... [2018-09-11 23:37:36,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2608e7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 11:37:36, skipping insertion in model container [2018-09-11 23:37:36,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:37:11" (2/3) ... [2018-09-11 23:37:36,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2608e7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 11:37:36, skipping insertion in model container [2018-09-11 23:37:36,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:37:36" (3/3) ... [2018-09-11 23:37:36,276 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label44_true-unreach-call.c [2018-09-11 23:37:36,286 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 23:37:36,300 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 23:37:36,372 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 23:37:36,373 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 23:37:36,373 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 23:37:36,373 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 23:37:36,373 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 23:37:36,373 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 23:37:36,373 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 23:37:36,373 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 23:37:36,374 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 23:37:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-11 23:37:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-11 23:37:36,442 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 23:37:36,443 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] [2018-09-11 23:37:36,445 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]=== [2018-09-11 23:37:36,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1985963032, now seen corresponding path program 1 times [2018-09-11 23:37:36,453 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 23:37:36,454 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-09-11 23:37:36,456 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1302], [1304], [5775], [5779], [5785], [5789], [6833], [6834], [6835], [6839] [2018-09-11 23:37:36,516 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 23:37:36,516 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 23:37:38,293 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 23:37:38,295 INFO L272 AbstractInterpreter]: Visited 40 different actions 40 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-11 23:37:38,310 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 23:37:39,151 INFO L232 lantSequenceWeakener]: Weakened 39 states. On average, predicates are now at 77.36% of their original sizes. [2018-09-11 23:37:39,153 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 23:37:39,511 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 23:37:39,513 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 23:37:39,513 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-11 23:37:39,513 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 23:37:39,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-11 23:37:39,526 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-11 23:37:39,526 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-11 23:37:39,529 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 6 states. [2018-09-11 23:38:39,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 23:38:39,741 INFO L93 Difference]: Finished difference Result 4946 states and 9354 transitions. [2018-09-11 23:38:39,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-11 23:38:39,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-09-11 23:38:39,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 23:38:39,801 INFO L225 Difference]: With dead ends: 4946 [2018-09-11 23:38:39,801 INFO L226 Difference]: Without dead ends: 3166 [2018-09-11 23:38:39,814 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-11 23:38:39,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-09-11 23:38:40,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2018-09-11 23:38:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2018-09-11 23:38:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4690 transitions. [2018-09-11 23:38:40,029 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4690 transitions. Word has length 41 [2018-09-11 23:38:40,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 23:38:40,029 INFO L480 AbstractCegarLoop]: Abstraction has 3164 states and 4690 transitions. [2018-09-11 23:38:40,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-11 23:38:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4690 transitions. [2018-09-11 23:38:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-09-11 23:38:40,044 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 23:38:40,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 23:38:40,045 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]=== [2018-09-11 23:38:40,049 INFO L82 PathProgramCache]: Analyzing trace with hash -302487032, now seen corresponding path program 1 times [2018-09-11 23:38:40,050 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 23:38:40,050 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-09-11 23:38:40,051 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1302], [1304], [1307], [1315], [1323], [1331], [1339], [1347], [1355], [1363], [1371], [1379], [1387], [1395], [1403], [1411], [1419], [1427], [1435], [1443], [1451], [1459], [1467], [1475], [1483], [1491], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2408], [2650], [5775], [5779], [5785], [5789], [5791], [6833], [6834], [6835], [6839], [6840] [2018-09-11 23:38:40,080 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 23:38:40,080 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 23:39:30,076 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 23:39:30,076 INFO L272 AbstractInterpreter]: Visited 247 different actions 487 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 23:39:30,082 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 23:39:37,040 INFO L232 lantSequenceWeakener]: Weakened 279 states. On average, predicates are now at 75.36% of their original sizes. [2018-09-11 23:39:37,041 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 23:39:39,518 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 23:39:39,519 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 23:39:39,519 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-11 23:39:39,519 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 23:39:39,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-11 23:39:39,521 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-11 23:39:39,522 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-09-11 23:39:39,522 INFO L87 Difference]: Start difference. First operand 3164 states and 4690 transitions. Second operand 16 states. Received shutdown request... [2018-09-11 23:41:18,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-11 23:41:18,801 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-11 23:41:18,807 WARN L206 ceAbstractionStarter]: Timeout [2018-09-11 23:41:18,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 11:41:18 BoogieIcfgContainer [2018-09-11 23:41:18,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 23:41:18,808 INFO L168 Benchmark]: Toolchain (without parser) took 251833.41 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-11 23:41:18,810 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 23:41:18,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4575.34 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 209.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -122.7 MB). Peak memory consumption was 495.8 MB. Max. memory is 7.1 GB. [2018-09-11 23:41:18,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 377.85 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2018-09-11 23:41:18,813 INFO L168 Benchmark]: Boogie Preprocessor took 1740.76 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 863.5 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -878.4 MB). Peak memory consumption was 122.9 MB. Max. memory is 7.1 GB. [2018-09-11 23:41:18,814 INFO L168 Benchmark]: RCFGBuilder took 22593.95 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 233.8 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 302.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-11 23:41:18,815 INFO L168 Benchmark]: TraceAbstraction took 222538.45 ms. Allocated memory was 2.8 GB in the beginning and 4.1 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -555.7 MB). Peak memory consumption was 723.0 MB. Max. memory is 7.1 GB. [2018-09-11 23:41:18,820 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4575.34 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 209.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -122.7 MB). Peak memory consumption was 495.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 377.85 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1740.76 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 863.5 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -878.4 MB). Peak memory consumption was 122.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 22593.95 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 233.8 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 302.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 222538.45 ms. Allocated memory was 2.8 GB in the beginning and 4.1 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -555.7 MB). Peak memory consumption was 723.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 118). Cancelled while BasicCegarLoop was constructing difference of abstraction (3164states) and FLOYD_HOARE automaton (currently 20 states, 16 states before enhancement), while ReachableStatesComputation was computing reachable states (7307 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 222.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 159.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3088 SDtfs, 13608 SDslu, 1132 SDs, 0 SdLazy, 25937 SolverSat, 3459 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 149.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 331 GetRequests, 296 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3164occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 51.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9951486378205127 AbsIntWeakeningRatio, 0.1125 AbsIntAvgWeakeningVarsNumRemoved, 38.13125 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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_label44_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_23-41-18-835.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label44_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_23-41-18-835.csv Completed graceful shutdown