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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem06_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-12 01:42:35,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-12 01:42:35,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-12 01:42:35,219 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-12 01:42:35,219 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-12 01:42:35,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-12 01:42:35,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-12 01:42:35,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-12 01:42:35,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-12 01:42:35,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-12 01:42:35,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-12 01:42:35,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-12 01:42:35,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-12 01:42:35,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-12 01:42:35,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-12 01:42:35,238 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-12 01:42:35,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-12 01:42:35,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-12 01:42:35,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-12 01:42:35,256 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-12 01:42:35,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-12 01:42:35,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-12 01:42:35,265 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-12 01:42:35,266 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-12 01:42:35,266 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-12 01:42:35,268 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-12 01:42:35,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-12 01:42:35,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-12 01:42:35,271 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-12 01:42:35,272 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-12 01:42:35,272 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-12 01:42:35,273 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-12 01:42:35,273 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-12 01:42:35,273 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-12 01:42:35,275 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-12 01:42:35,276 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-12 01:42:35,277 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-12 01:42:35,304 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-12 01:42:35,304 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-12 01:42:35,305 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-12 01:42:35,305 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-12 01:42:35,307 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-12 01:42:35,307 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-12 01:42:35,307 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-12 01:42:35,307 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-12 01:42:35,307 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-12 01:42:35,308 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-12 01:42:35,308 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-12 01:42:35,309 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-12 01:42:35,309 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-12 01:42:35,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-12 01:42:35,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-12 01:42:35,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-12 01:42:35,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-12 01:42:35,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-12 01:42:35,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-12 01:42:35,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-12 01:42:35,313 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-12 01:42:35,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-12 01:42:35,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-12 01:42:35,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-12 01:42:35,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-12 01:42:35,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-12 01:42:35,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-12 01:42:35,314 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-12 01:42:35,316 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-12 01:42:35,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-12 01:42:35,316 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-12 01:42:35,317 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-12 01:42:35,317 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-12 01:42:35,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-12 01:42:35,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-12 01:42:35,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-12 01:42:35,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-12 01:42:35,418 INFO L276 PluginConnector]: CDTParser initialized [2018-09-12 01:42:35,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label52_true-unreach-call.c [2018-09-12 01:42:35,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf40f5f44/79e6001cee63425e98f00a3fe2ea61ef/FLAGe365a733b [2018-09-12 01:42:36,329 INFO L276 CDTParser]: Found 1 translation units. [2018-09-12 01:42:36,330 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label52_true-unreach-call.c [2018-09-12 01:42:36,385 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf40f5f44/79e6001cee63425e98f00a3fe2ea61ef/FLAGe365a733b [2018-09-12 01:42:36,407 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf40f5f44/79e6001cee63425e98f00a3fe2ea61ef [2018-09-12 01:42:36,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-12 01:42:36,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-12 01:42:36,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-12 01:42:36,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-12 01:42:36,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-12 01:42:36,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 01:42:36" (1/1) ... [2018-09-12 01:42:36,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df238f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:36, skipping insertion in model container [2018-09-12 01:42:36,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 01:42:36" (1/1) ... [2018-09-12 01:42:36,939 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-12 01:42:38,708 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-12 01:42:38,728 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-12 01:42:39,937 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-12 01:42:40,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40 WrapperNode [2018-09-12 01:42:40,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-12 01:42:40,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-12 01:42:40,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-12 01:42:40,259 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-12 01:42:40,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:40,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:40,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-12 01:42:40,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-12 01:42:40,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-12 01:42:40,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-12 01:42:41,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:41,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:41,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:41,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:41,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:41,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:41,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (1/1) ... [2018-09-12 01:42:41,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-12 01:42:41,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-12 01:42:41,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-12 01:42:41,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-12 01:42:41,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (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 [2018-09-12 01:42:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-12 01:42:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-12 01:42:42,012 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 [2018-09-12 01:42:42,013 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 [2018-09-12 01:42:42,013 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 [2018-09-12 01:42:42,013 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 [2018-09-12 01:42:42,013 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 [2018-09-12 01:42:42,013 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 [2018-09-12 01:42:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-12 01:42:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-12 01:42:42,014 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 [2018-09-12 01:42:42,014 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 [2018-09-12 01:42:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-12 01:42:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-12 01:42:42,016 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 [2018-09-12 01:42:42,016 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 [2018-09-12 01:42:54,812 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-12 01:42:54,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 01:42:54 BoogieIcfgContainer [2018-09-12 01:42:54,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-12 01:42:54,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-12 01:42:54,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-12 01:42:54,818 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-12 01:42:54,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 01:42:36" (1/3) ... [2018-09-12 01:42:54,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ae52a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 01:42:54, skipping insertion in model container [2018-09-12 01:42:54,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:42:40" (2/3) ... [2018-09-12 01:42:54,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ae52a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 01:42:54, skipping insertion in model container [2018-09-12 01:42:54,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 01:42:54" (3/3) ... [2018-09-12 01:42:54,822 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem06_label52_true-unreach-call.c [2018-09-12 01:42:54,831 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-12 01:42:54,840 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-12 01:42:54,912 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-12 01:42:54,912 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-12 01:42:54,913 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-12 01:42:54,913 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-12 01:42:54,913 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-12 01:42:54,913 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-12 01:42:54,913 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-12 01:42:54,913 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-12 01:42:54,913 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-12 01:42:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states. [2018-09-12 01:42:55,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2018-09-12 01:42:55,038 INFO L368 BasicCegarLoop]: Found error trace [2018-09-12 01:42:55,041 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-12 01:42:55,043 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-12 01:42:55,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1014404603, now seen corresponding path program 1 times [2018-09-12 01:42:55,054 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-12 01:42:55,057 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1000 with the following transitions: [2018-09-12 01:42:55,068 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [17], [28], [32], [36], [40], [51], [55], [59], [63], [67], [71], [82], [86], [90], [101], [105], [109], [113], [117], [121], 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[4700], [4704], [4708], [4712], [4716], [4720], [4724], [4728], [4732], [4736], [4740], [4744], [4748], [4752], [4756], [4760], [4764], [4768], [4772], [4783], [4787], [4791], [4795], [4799], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4850], [4854], [4858], [4862], [4866], [4870], [4874], [4878], [4882], [4886], [4890], [4894], [4898], [4909], [4913], [4917], [4921], [4925], [4929], [4933], [4937], [4941], [4945], [4956], [4960], [4964], [4968], [4972], [4976], [4980], [4984], [4988], [4992], [4996], [5000], [5011], [5015], [5019], [5023], [5027], [5031], [5035], [5037], [5039], [5040], [5041], [5043], [5045], [5047] [2018-09-12 01:42:55,193 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-12 01:42:55,194 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown