java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 15:06:39,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 15:06:39,167 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 15:06:39,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 15:06:39,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 15:06:39,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 15:06:39,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 15:06:39,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 15:06:39,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 15:06:39,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 15:06:39,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 15:06:39,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 15:06:39,201 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 15:06:39,202 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 15:06:39,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 15:06:39,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 15:06:39,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 15:06:39,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 15:06:39,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 15:06:39,224 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 15:06:39,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 15:06:39,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 15:06:39,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 15:06:39,232 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 15:06:39,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 15:06:39,234 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 15:06:39,235 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 15:06:39,237 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 15:06:39,237 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 15:06:39,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 15:06:39,241 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 15:06:39,242 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 15:06:39,242 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 15:06:39,242 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 15:06:39,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 15:06:39,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 15:06:39,246 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 [2018-07-24 15:06:39,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 15:06:39,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 15:06:39,282 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 15:06:39,283 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 15:06:39,283 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 15:06:39,283 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 15:06:39,283 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 15:06:39,283 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 15:06:39,284 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 15:06:39,284 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 15:06:39,284 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 15:06:39,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 15:06:39,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 15:06:39,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 15:06:39,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 15:06:39,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 15:06:39,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 15:06:39,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 15:06:39,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 15:06:39,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 15:06:39,288 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 15:06:39,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 15:06:39,288 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 15:06:39,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:06:39,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 15:06:39,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 15:06:39,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 15:06:39,290 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 15:06:39,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 15:06:39,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 15:06:39,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 15:06:39,291 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 15:06:39,292 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 15:06:39,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 15:06:39,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 15:06:39,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 15:06:39,382 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 15:06:39,382 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 15:06:39,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label00_true-unreach-call.c [2018-07-24 15:06:39,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f1c5a54/9f54e0fcabf7433ba9acef83d884e83e/FLAGce676731c [2018-07-24 15:06:40,323 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 15:06:40,325 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label00_true-unreach-call.c [2018-07-24 15:06:40,380 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f1c5a54/9f54e0fcabf7433ba9acef83d884e83e/FLAGce676731c [2018-07-24 15:06:40,403 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f1c5a54/9f54e0fcabf7433ba9acef83d884e83e [2018-07-24 15:06:40,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 15:06:40,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 15:06:40,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 15:06:40,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 15:06:40,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 15:06:40,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:06:40" (1/1) ... [2018-07-24 15:06:40,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774e55b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:40, skipping insertion in model container [2018-07-24 15:06:40,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:06:40" (1/1) ... [2018-07-24 15:06:40,868 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 15:06:42,492 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:06:42,510 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 15:06:43,723 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:06:44,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44 WrapperNode [2018-07-24 15:06:44,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 15:06:44,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 15:06:44,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 15:06:44,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 15:06:44,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:44,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:44,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 15:06:44,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 15:06:44,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 15:06:44,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 15:06:45,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:45,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:46,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:46,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:46,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:46,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:46,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... [2018-07-24 15:06:46,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 15:06:46,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 15:06:46,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 15:06:46,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 15:06:46,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:06:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 15:06:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 15:06:46,657 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 [2018-07-24 15:06:46,657 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 [2018-07-24 15:06:46,657 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 [2018-07-24 15:06:46,657 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 [2018-07-24 15:06:46,657 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 [2018-07-24 15:06:46,658 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 [2018-07-24 15:06:46,658 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 [2018-07-24 15:06:46,658 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 [2018-07-24 15:06:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 15:06:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 15:06:46,658 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 [2018-07-24 15:06:46,659 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 [2018-07-24 15:06:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 15:06:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 15:06:46,659 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 [2018-07-24 15:06:46,659 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 [2018-07-24 15:07:07,808 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 15:07:07,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:07:07 BoogieIcfgContainer [2018-07-24 15:07:07,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 15:07:07,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 15:07:07,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 15:07:07,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 15:07:07,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:06:40" (1/3) ... [2018-07-24 15:07:07,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5415cdff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:07:07, skipping insertion in model container [2018-07-24 15:07:07,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:06:44" (2/3) ... [2018-07-24 15:07:07,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5415cdff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:07:07, skipping insertion in model container [2018-07-24 15:07:07,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:07:07" (3/3) ... [2018-07-24 15:07:07,817 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label00_true-unreach-call.c [2018-07-24 15:07:07,825 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 15:07:07,834 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 15:07:07,897 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 15:07:07,898 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 15:07:07,898 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 15:07:07,898 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 15:07:07,899 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 15:07:07,899 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 15:07:07,899 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 15:07:07,899 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 15:07:07,899 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 15:07:07,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 15:07:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-24 15:07:07,974 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:07:07,976 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:07:07,976 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:07:07,980 INFO L82 PathProgramCache]: Analyzing trace with hash -197496512, now seen corresponding path program 1 times [2018-07-24 15:07:07,983 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:07:08,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:08,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:07:08,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:08,027 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:07:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:07:08,487 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:07:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:07:08,608 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:07:08,608 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 15:07:08,608 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:07:08,614 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:07:08,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:07:08,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:07:08,633 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 15:07:25,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:07:25,007 INFO L93 Difference]: Finished difference Result 4995 states and 9413 transitions. [2018-07-24 15:07:25,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:07:25,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-07-24 15:07:25,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:07:25,062 INFO L225 Difference]: With dead ends: 4995 [2018-07-24 15:07:25,062 INFO L226 Difference]: Without dead ends: 3215 [2018-07-24 15:07:25,076 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:07:25,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2018-07-24 15:07:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213. [2018-07-24 15:07:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2018-07-24 15:07:25,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions. [2018-07-24 15:07:25,301 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 47 [2018-07-24 15:07:25,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:07:25,302 INFO L471 AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions. [2018-07-24 15:07:25,302 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:07:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions. [2018-07-24 15:07:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-24 15:07:25,310 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:07:25,310 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:07:25,311 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:07:25,311 INFO L82 PathProgramCache]: Analyzing trace with hash 215382684, now seen corresponding path program 1 times [2018-07-24 15:07:25,311 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:07:25,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:25,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:07:25,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:25,313 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:07:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:07:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:07:25,919 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:07:25,920 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:07:25,920 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:07:25,924 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:07:25,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:07:25,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:07:25,926 INFO L87 Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 6 states. [2018-07-24 15:08:05,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:08:05,411 INFO L93 Difference]: Finished difference Result 9717 states and 17679 transitions. [2018-07-24 15:08:05,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:08:05,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-07-24 15:08:05,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:08:05,451 INFO L225 Difference]: With dead ends: 9717 [2018-07-24 15:08:05,451 INFO L226 Difference]: Without dead ends: 6510 [2018-07-24 15:08:05,462 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:08:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6510 states. [2018-07-24 15:08:05,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6349. [2018-07-24 15:08:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6349 states. [2018-07-24 15:08:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 9904 transitions. [2018-07-24 15:08:05,669 INFO L78 Accepts]: Start accepts. Automaton has 6349 states and 9904 transitions. Word has length 121 [2018-07-24 15:08:05,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:08:05,669 INFO L471 AbstractCegarLoop]: Abstraction has 6349 states and 9904 transitions. [2018-07-24 15:08:05,670 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:08:05,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 9904 transitions. [2018-07-24 15:08:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-24 15:08:05,674 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:08:05,675 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:08:05,675 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:08:05,675 INFO L82 PathProgramCache]: Analyzing trace with hash 531944132, now seen corresponding path program 1 times [2018-07-24 15:08:05,675 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:08:05,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:05,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:08:05,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:05,677 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:08:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:08:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:08:06,002 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:08:06,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:08:06,002 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:08:06,003 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:08:06,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:08:06,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:08:06,004 INFO L87 Difference]: Start difference. First operand 6349 states and 9904 transitions. Second operand 6 states. [2018-07-24 15:08:23,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:08:23,204 INFO L93 Difference]: Finished difference Result 15878 states and 24898 transitions. [2018-07-24 15:08:23,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:08:23,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-07-24 15:08:23,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:08:23,248 INFO L225 Difference]: With dead ends: 15878 [2018-07-24 15:08:23,249 INFO L226 Difference]: Without dead ends: 9535 [2018-07-24 15:08:23,267 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 15:08:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9535 states. [2018-07-24 15:08:23,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9535 to 9405. [2018-07-24 15:08:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9405 states. [2018-07-24 15:08:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9405 states to 9405 states and 13925 transitions. [2018-07-24 15:08:23,485 INFO L78 Accepts]: Start accepts. Automaton has 9405 states and 13925 transitions. Word has length 126 [2018-07-24 15:08:23,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:08:23,486 INFO L471 AbstractCegarLoop]: Abstraction has 9405 states and 13925 transitions. [2018-07-24 15:08:23,486 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:08:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 9405 states and 13925 transitions. [2018-07-24 15:08:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-24 15:08:23,489 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:08:23,489 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:08:23,490 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:08:23,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1197118124, now seen corresponding path program 1 times [2018-07-24 15:08:23,490 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:08:23,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:23,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:08:23,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:23,491 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:08:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:08:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:08:23,701 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:08:23,702 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 15:08:23,702 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:08:23,703 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:08:23,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:08:23,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 15:08:23,703 INFO L87 Difference]: Start difference. First operand 9405 states and 13925 transitions. Second operand 5 states. [2018-07-24 15:08:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:08:46,914 INFO L93 Difference]: Finished difference Result 28336 states and 42559 transitions. [2018-07-24 15:08:46,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:08:46,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2018-07-24 15:08:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:08:46,978 INFO L225 Difference]: With dead ends: 28336 [2018-07-24 15:08:46,978 INFO L226 Difference]: Without dead ends: 18937 [2018-07-24 15:08:47,008 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:08:47,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18937 states. [2018-07-24 15:08:47,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18937 to 18607. [2018-07-24 15:08:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18607 states. [2018-07-24 15:08:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18607 states to 18607 states and 26440 transitions. [2018-07-24 15:08:47,420 INFO L78 Accepts]: Start accepts. Automaton has 18607 states and 26440 transitions. Word has length 129 [2018-07-24 15:08:47,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:08:47,421 INFO L471 AbstractCegarLoop]: Abstraction has 18607 states and 26440 transitions. [2018-07-24 15:08:47,421 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 15:08:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 18607 states and 26440 transitions. [2018-07-24 15:08:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-24 15:08:47,423 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:08:47,424 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:08:47,424 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:08:47,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1317358126, now seen corresponding path program 1 times [2018-07-24 15:08:47,424 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:08:47,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:47,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:08:47,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:47,425 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:08:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:08:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:08:47,901 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:08:47,901 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:08:47,901 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:08:47,902 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:08:47,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:08:47,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:08:47,903 INFO L87 Difference]: Start difference. First operand 18607 states and 26440 transitions. Second operand 6 states. [2018-07-24 15:09:35,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:09:35,122 INFO L93 Difference]: Finished difference Result 72499 states and 112724 transitions. [2018-07-24 15:09:35,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:09:35,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-07-24 15:09:35,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:09:35,336 INFO L225 Difference]: With dead ends: 72499 [2018-07-24 15:09:35,337 INFO L226 Difference]: Without dead ends: 53898 [2018-07-24 15:09:35,442 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:09:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53898 states. [2018-07-24 15:09:36,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53898 to 53542. [2018-07-24 15:09:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53542 states. [2018-07-24 15:09:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53542 states to 53542 states and 73481 transitions. [2018-07-24 15:09:36,961 INFO L78 Accepts]: Start accepts. Automaton has 53542 states and 73481 transitions. Word has length 156 [2018-07-24 15:09:36,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:09:36,961 INFO L471 AbstractCegarLoop]: Abstraction has 53542 states and 73481 transitions. [2018-07-24 15:09:36,961 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:09:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 53542 states and 73481 transitions. [2018-07-24 15:09:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-07-24 15:09:36,966 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:09:36,966 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:09:36,966 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:09:36,967 INFO L82 PathProgramCache]: Analyzing trace with hash 801430632, now seen corresponding path program 1 times [2018-07-24 15:09:36,967 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:09:36,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:09:36,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:09:36,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:09:36,968 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:09:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:09:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:09:37,298 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:09:37,298 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 15:09:37,298 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:09:37,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 15:09:37,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 15:09:37,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:09:37,299 INFO L87 Difference]: Start difference. First operand 53542 states and 73481 transitions. Second operand 4 states. [2018-07-24 15:09:57,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:09:57,391 INFO L93 Difference]: Finished difference Result 195150 states and 298410 transitions. [2018-07-24 15:09:57,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 15:09:57,391 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 259 [2018-07-24 15:09:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:09:57,911 INFO L225 Difference]: With dead ends: 195150 [2018-07-24 15:09:57,911 INFO L226 Difference]: Without dead ends: 141614 [2018-07-24 15:09:58,087 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:09:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141614 states. [2018-07-24 15:10:00,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141614 to 141381. [2018-07-24 15:10:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141381 states. [2018-07-24 15:10:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141381 states to 141381 states and 202793 transitions. [2018-07-24 15:10:01,207 INFO L78 Accepts]: Start accepts. Automaton has 141381 states and 202793 transitions. Word has length 259 [2018-07-24 15:10:01,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:10:01,207 INFO L471 AbstractCegarLoop]: Abstraction has 141381 states and 202793 transitions. [2018-07-24 15:10:01,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 15:10:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 141381 states and 202793 transitions. [2018-07-24 15:10:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2018-07-24 15:10:01,242 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:10:01,242 INFO L353 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:10:01,243 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:10:01,243 INFO L82 PathProgramCache]: Analyzing trace with hash 255684620, now seen corresponding path program 1 times [2018-07-24 15:10:01,243 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:10:01,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:10:01,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:10:01,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:10:01,245 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:10:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:10:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:03,280 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:10:03,280 INFO L191 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 [2018-07-24 15:10:03,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:10:03,292 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:10:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:10:03,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:10:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:04,461 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:10:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:05,624 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:10:05,625 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 15:10:06,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:10:06,078 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:10:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:10:06,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:10:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:06,940 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:10:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:07,594 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 15:10:07,595 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-07-24 15:10:07,595 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 15:10:07,598 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 15:10:07,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 15:10:07,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-07-24 15:10:07,599 INFO L87 Difference]: Start difference. First operand 141381 states and 202793 transitions. Second operand 9 states. [2018-07-24 15:10:13,945 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 Received shutdown request... [2018-07-24 15:10:36,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-24 15:10:36,024 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 15:10:36,029 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 15:10:36,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:10:36 BoogieIcfgContainer [2018-07-24 15:10:36,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 15:10:36,030 INFO L168 Benchmark]: Toolchain (without parser) took 235612.63 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-07-24 15:10:36,031 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-07-24 15:10:36,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4146.03 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 238.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -155.7 MB). Peak memory consumption was 487.7 MB. Max. memory is 7.1 GB. [2018-07-24 15:10:36,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 303.40 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 7.1 GB. [2018-07-24 15:10:36,033 INFO L168 Benchmark]: Boogie Preprocessor took 1720.80 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 804.8 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -815.0 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. [2018-07-24 15:10:36,034 INFO L168 Benchmark]: RCFGBuilder took 21217.65 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 325.1 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 199.1 MB). Peak memory consumption was 998.2 MB. Max. memory is 7.1 GB. [2018-07-24 15:10:36,035 INFO L168 Benchmark]: TraceAbstraction took 208220.06 ms. Allocated memory was 2.9 GB in the beginning and 3.7 GB in the end (delta: 846.7 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -300.8 MB). Peak memory consumption was 545.9 MB. Max. memory is 7.1 GB. [2018-07-24 15:10:36,041 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 4146.03 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 238.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -155.7 MB). Peak memory consumption was 487.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 303.40 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1720.80 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 804.8 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -815.0 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21217.65 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 325.1 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 199.1 MB). Peak memory consumption was 998.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208220.06 ms. Allocated memory was 2.9 GB in the beginning and 3.7 GB in the end (delta: 846.7 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -300.8 MB). Peak memory consumption was 545.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 136). Cancelled while BasicCegarLoop was constructing difference of abstraction (141381states) and interpolant automaton (currently 20 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (165008 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 208.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 193.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5885 SDtfs, 44716 SDslu, 4989 SDs, 0 SdLazy, 68150 SolverSat, 18308 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 168.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3035 GetRequests, 2973 SyntacticMatches, 8 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141381occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 1212 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 3058 NumberOfCodeBlocks, 3058 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 4527 ConstructedInterpolants, 0 QuantifiedInterpolants, 4904041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1992 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 1085/1095 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_label00_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_15-10-36-056.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label00_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_15-10-36-056.csv Completed graceful shutdown