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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem06_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 18:25:48,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 18:25:48,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 18:25:48,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 18:25:48,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 18:25:48,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 18:25:48,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 18:25:48,347 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 18:25:48,349 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 18:25:48,351 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 18:25:48,352 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 18:25:48,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 18:25:48,353 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 18:25:48,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 18:25:48,360 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 18:25:48,361 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 18:25:48,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 18:25:48,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 18:25:48,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 18:25:48,371 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 18:25:48,372 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 18:25:48,374 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 18:25:48,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 18:25:48,378 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 18:25:48,378 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 18:25:48,379 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 18:25:48,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 18:25:48,381 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 18:25:48,382 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 18:25:48,383 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 18:25:48,383 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 18:25:48,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 18:25:48,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 18:25:48,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 18:25:48,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 18:25:48,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 18:25:48,389 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-11 18:25:48,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 18:25:48,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 18:25:48,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 18:25:48,424 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 18:25:48,424 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 18:25:48,425 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 18:25:48,425 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 18:25:48,425 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-11 18:25:48,425 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-11 18:25:48,425 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 18:25:48,426 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 18:25:48,426 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 18:25:48,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 18:25:48,427 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 18:25:48,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 18:25:48,427 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 18:25:48,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 18:25:48,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 18:25:48,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 18:25:48,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 18:25:48,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 18:25:48,429 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 18:25:48,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 18:25:48,429 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 18:25:48,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 18:25:48,431 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 18:25:48,431 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 18:25:48,432 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 18:25:48,432 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 18:25:48,432 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 18:25:48,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 18:25:48,432 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 18:25:48,433 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 18:25:48,433 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 18:25:48,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 18:25:48,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 18:25:48,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 18:25:48,508 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 18:25:48,509 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 18:25:48,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label57_true-unreach-call.c [2018-09-11 18:25:48,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392334b39/c5750866a7ab4502a4e3772954183f30/FLAG6adc14389 [2018-09-11 18:25:49,440 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 18:25:49,441 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label57_true-unreach-call.c [2018-09-11 18:25:49,489 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392334b39/c5750866a7ab4502a4e3772954183f30/FLAG6adc14389 [2018-09-11 18:25:49,510 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392334b39/c5750866a7ab4502a4e3772954183f30 [2018-09-11 18:25:49,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 18:25:49,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 18:25:49,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 18:25:49,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 18:25:49,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 18:25:49,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 06:25:49" (1/1) ... [2018-09-11 18:25:49,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3550d910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:49, skipping insertion in model container [2018-09-11 18:25:49,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 06:25:49" (1/1) ... [2018-09-11 18:25:50,045 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 18:25:51,662 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 18:25:51,681 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 18:25:52,897 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 18:25:53,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53 WrapperNode [2018-09-11 18:25:53,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 18:25:53,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 18:25:53,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 18:25:53,165 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 18:25:53,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:53,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:53,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 18:25:53,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 18:25:53,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 18:25:53,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 18:25:53,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:53,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:54,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:54,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:54,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:54,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:54,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (1/1) ... [2018-09-11 18:25:54,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 18:25:54,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 18:25:54,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 18:25:54,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 18:25:54,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (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 18:25:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 18:25:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 18:25:54,424 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 18:25:54,424 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 18:25:54,425 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 18:25:54,425 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 18:25:54,425 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 18:25:54,425 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 18:25:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 18:25:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 18:25:54,426 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 18:25:54,426 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 18:25:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 18:25:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 18:25:54,427 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 18:25:54,427 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 18:26:07,051 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 18:26:07,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 06:26:07 BoogieIcfgContainer [2018-09-11 18:26:07,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 18:26:07,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 18:26:07,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 18:26:07,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 18:26:07,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 06:25:49" (1/3) ... [2018-09-11 18:26:07,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13277516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 06:26:07, skipping insertion in model container [2018-09-11 18:26:07,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 06:25:53" (2/3) ... [2018-09-11 18:26:07,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13277516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 06:26:07, skipping insertion in model container [2018-09-11 18:26:07,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 06:26:07" (3/3) ... [2018-09-11 18:26:07,060 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem06_label57_true-unreach-call.c [2018-09-11 18:26:07,070 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 18:26:07,083 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 18:26:07,153 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 18:26:07,154 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 18:26:07,154 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 18:26:07,154 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 18:26:07,154 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 18:26:07,154 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 18:26:07,154 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 18:26:07,155 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 18:26:07,155 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 18:26:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states. [2018-09-11 18:26:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 989 [2018-09-11 18:26:07,285 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 18:26:07,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:07,289 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]=== [2018-09-11 18:26:07,295 INFO L82 PathProgramCache]: Analyzing trace with hash -418364286, now seen corresponding path program 1 times [2018-09-11 18:26:07,298 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 18:26:07,301 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 989 with the following transitions: [2018-09-11 18:26:07,308 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], [125], [129], [133], [137], [141], [145], [149], [153], [157], [161], [165], [169], [173], [177], [181], [185], [189], [193], [197], [201], [212], [216], [220], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [712], [716], [720], [724], [728], [732], [736], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [838], [842], [846], [857], [861], [865], [869], [873], [884], [888], [892], [896], [900], [904], [908], [912], [916], [927], [938], [949], [953], [957], [961], [965], [969], [973], [977], [981], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1099], [1103], [1107], [1118], [1122], [1126], [1130], [1134], [1138], [1142], [1153], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1215], [1219], [1223], [1227], [1231], [1235], [1239], [1243], [1247], [1251], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1311], [1315], [1319], [1323], [1327], [1331], [1335], [1339], [1343], [1347], [1358], [1362], [1373], [1377], [1381], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1475], [1479], [1483], [1487], [1491], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1574], [1578], [1582], [1586], [1590], [1594], [1605], [1616], [1620], [1624], [1628], [1632], [1636], [1640], [1644], [1648], [1659], [1663], [1667], [1671], [1682], [1693], [1697], [1701], [1705], [1709], [1720], [1724], [1728], [1732], [1736], [1740], [1744], [1748], [1759], [1763], [1767], [1771], [1775], [1779], [1783], [1787], [1791], [1802], [1806], [1810], [1814], [1818], [1822], [1826], [1830], [1834], [1838], [1842], [1846], [1850], [1854], [1858], [1862], [1866], [1877], [1881], [1892], [1896], [1900], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1965], [1969], [1973], [1977], [1988], [1992], [2003], [2007], [2011], [2015], [2019], [2023], [2027], [2038], [2042], [2046], [2050], [2054], [2058], [2062], [2066], [2070], [2074], [2078], [2082], [2086], [2097], [2101], [2105], [2109], [2113], [2117], [2128], [2139], [2143], [2154], [2158], [2162], [2166], [2170], [2174], [2178], [2182], [2186], [2190], [2194], [2198], [2202], [2206], [2210], [2214], [2218], [2222], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2316], [2320], [2324], [2328], [2332], [2336], [2340], [2344], [2348], [2352], [2356], [2367], [2371], [2382], [2386], [2390], [2394], [2398], [2402], [2406], [2410], [2414], [2418], [2429], [2433], [2437], [2441], [2445], [2456], [2460], [2464], [2468], [2472], [2476], [2480], [2484], [2488], [2492], [2496], [2500], [2504], [2515], [2519], [2523], [2527], [2531], [2535], [2539], [2543], [2547], [2551], [2555], [2566], [2570], [2574], [2578], [2582], [2586], [2590], [2594], [2598], [2602], [2613], [2617], [2628], [2632], [2636], [2640], [2644], [2648], [2652], [2656], [2660], [2664], [2668], [2672], [2676], [2680], [2691], [2695], [2706], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2832], [2836], [2840], [2847], [2851], [2855], [2859], [2863], [2867], [2871], [2875], [2879], [2883], [2887], [2891], [2895], [2899], [2903], [2907], [2911], [2915], [2926], [2930], [2934], [2938], [2942], [2946], [2950], [2954], [2958], [2962], [2966], [2977], [2981], [2992], [2996], [3000], [3004], [3008], [3019], [3023], [3027], [3031], [3035], [3039], [3050], [3054], [3058], [3062], [3066], [3070], [3074], [3085], [3089], [3093], [3097], [3101], [3105], [3116], [3127], [3138], [3142], [3146], [3157], [3161], [3165], [3169], [3173], [3177], [3181], [3185], [3189], [3193], [3197], [3208], [3212], [3216], [3220], [3224], [3235], [3246], [3250], [3261], [3265], [3269], [3273], [3277], [3281], [3285], [3289], [3293], [3297], [3301], [3312], [3323], [3334], [3338], [3342], [3346], [3350], [3354], [3358], [3362], [3366], [3377], [3381], [3385], [3396], [3400], [3404], [3408], [3412], [3416], [3420], [3424], [3428], [3432], [3443], [3454], [3458], [3462], [3466], [3470], [3474], [3478], [3482], [3493], [3497], [3501], [3505], [3509], [3520], [3524], [3528], [3532], [3536], [3540], [3544], [3548], [3552], [3556], [3560], [3564], [3568], [3572], [3576], [3580], [3584], [3588], [3592], [3596], [3600], [3611], [3615], [3619], [3623], [3627], [3631], [3642], [3646], [3650], [3661], [3665], [3669], [3673], [3677], [3681], [3685], [3689], [3693], [3697], [3701], [3705], [3709], [3713], [3717], [3721], [3725], [3729], [3733], [3737], [3741], [3745], [3749], [3753], [3757], [3761], [3772], [3776], [3780], [3784], [3788], [3792], [3796], [3800], [3804], [3808], [3819], [3830], [3834], [3838], [3842], [3846], [3857], [3868], [3872], [3876], [3887], [3891], [3895], [3899], [3903], [3907], [3911], [3915], [3919], [3923], [3927], [3931], [3935], [3946], [3950], [3954], [3958], [3962], [3966], [3972], [3976], [3983], [3987], [3991], [3995], [3999], [4003], [4007], [4018], [4022], [4026], [4030], [4041], [4045], [4049], [4053], [4064], [4068], [4072], [4076], [4080], [4084], [4088], [4092], [4096], [4100], [4104], [4108], [4112], [4116], [4127], [4131], [4135], [4139], [4143], [4147], [4151], [4155], [4159], [4163], [4167], [4171], [4175], [4179], [4183], [4187], [4191], [4195], [4206], [4210], [4214], [4218], [4222], [4226], [4230], [4241], [4245], [4249], [4253], [4257], [4268], [4279], [4283], [4287], [4291], [4302], [4306], [4310], [4314], [4318], [4322], [4326], [4330], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4388], [4392], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4424], [4428], [4432], [4436], [4447], [4451], [4455], [4459], [4463], [4474], [4478], [4489], [4500], [4504], [4508], [4512], [4516], [4520], [4524], [4528], [4532], [4536], [4540], [4544], [4548], [4552], [4563], [4567], [4571], [4575], [4579], [4583], [4587], [4591], [4602], [4606], [4610], [4614], [4625], [4636], [4640], [4644], [4648], [4652], [4656], [4660], [4664], [4668], [4672], [4676], [4680], [4684], [4688], [4692], [4696], [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] [2018-09-11 18:26:07,383 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 18:26:07,384 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 18:26:08,776 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 18:26:08,779 INFO L272 AbstractInterpreter]: Visited 987 different actions 987 times. Never merged. Never widened. Never found a fixpoint. Largest state had 87 variables. [2018-09-11 18:26:08,823 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 18:26:10,211 INFO L232 lantSequenceWeakener]: Weakened 985 states. On average, predicates are now at 70.71% of their original sizes. [2018-09-11 18:26:10,211 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 18:26:12,349 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 18:26:12,351 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 18:26:12,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-11 18:26:12,351 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 18:26:12,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-11 18:26:12,365 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-11 18:26:12,365 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-09-11 18:26:12,368 INFO L87 Difference]: Start difference. First operand 1316 states. Second operand 19 states. [2018-09-11 18:26:46,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 18:26:46,045 INFO L93 Difference]: Finished difference Result 3646 states and 6853 transitions. [2018-09-11 18:26:46,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-11 18:26:46,049 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 988 [2018-09-11 18:26:46,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 18:26:46,105 INFO L225 Difference]: With dead ends: 3646 [2018-09-11 18:26:46,105 INFO L226 Difference]: Without dead ends: 2328 [2018-09-11 18:26:46,116 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 992 GetRequests, 970 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2018-09-11 18:26:46,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2018-09-11 18:26:46,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2326. [2018-09-11 18:26:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2326 states. [2018-09-11 18:26:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 2326 states and 3419 transitions. [2018-09-11 18:26:46,274 INFO L78 Accepts]: Start accepts. Automaton has 2326 states and 3419 transitions. Word has length 988 [2018-09-11 18:26:46,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 18:26:46,283 INFO L480 AbstractCegarLoop]: Abstraction has 2326 states and 3419 transitions. [2018-09-11 18:26:46,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-11 18:26:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 3419 transitions. [2018-09-11 18:26:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2018-09-11 18:26:46,331 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 18:26:46,332 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:46,332 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 18:26:46,333 INFO L82 PathProgramCache]: Analyzing trace with hash 202475361, now seen corresponding path program 1 times [2018-09-11 18:26:46,333 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 18:26:46,334 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1112 with the following transitions: [2018-09-11 18:26:46,336 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], [125], [129], [133], [137], [141], [145], [149], [153], [157], [161], [165], [169], [173], [177], [181], [185], [189], [193], [197], [201], [212], [216], [220], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [712], [716], [720], [724], [728], [732], [736], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [838], [842], [846], [857], [861], [865], [869], [873], [884], [888], [892], [896], [900], [904], [908], [912], [916], [927], [938], [949], [953], [957], [961], [965], [969], [973], [977], [981], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1099], [1103], [1107], [1118], [1122], [1126], [1130], [1134], [1138], [1142], [1153], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1215], [1219], [1223], [1227], [1231], [1235], [1239], [1243], [1247], [1251], [1255], [1259], [1262], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1311], [1315], [1319], [1323], [1327], [1331], [1335], [1339], [1343], [1347], [1358], [1362], [1373], [1377], [1381], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1475], [1479], [1483], [1487], [1491], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1574], [1578], [1582], [1586], [1590], [1594], [1605], [1616], [1620], [1624], [1628], [1632], [1636], [1640], [1644], [1648], [1659], [1663], [1667], [1671], [1682], [1693], [1697], [1701], [1705], [1709], [1720], [1724], [1728], [1732], [1736], [1740], [1744], [1748], [1759], [1763], [1767], [1770], [1771], [1775], [1779], [1783], [1787], [1791], [1802], [1806], [1810], [1814], [1818], [1822], [1826], [1830], [1834], [1838], [1842], [1846], [1850], [1854], [1858], [1862], [1866], [1877], [1881], [1892], [1896], [1900], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1965], [1969], [1973], [1977], [1988], [1992], [2003], [2007], [2011], [2015], [2019], [2023], [2027], [2038], [2042], [2046], [2050], [2054], [2058], [2062], [2066], [2070], [2074], [2078], [2082], [2086], [2097], [2101], [2105], [2109], [2113], [2117], [2128], [2139], [2143], [2154], [2158], [2162], [2166], [2170], [2174], [2178], [2182], [2186], [2190], [2194], [2198], [2202], [2206], [2210], [2214], [2218], [2222], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2316], [2320], [2324], [2328], [2332], [2336], [2340], [2344], [2348], [2352], [2356], [2367], [2371], [2382], [2386], [2390], [2394], [2398], [2402], [2406], [2410], [2414], [2418], [2429], [2433], [2437], [2441], [2445], [2456], [2460], [2464], [2468], [2472], [2476], [2480], [2484], [2488], [2492], [2496], [2500], [2504], [2515], [2519], [2523], [2527], [2531], [2535], [2539], [2543], [2547], [2551], [2555], [2566], [2570], [2574], [2578], [2582], [2586], [2590], [2594], [2598], [2602], [2613], [2617], [2628], [2632], [2636], [2640], [2644], [2648], [2652], [2656], [2660], [2664], [2668], [2672], [2676], [2680], [2691], [2695], [2706], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2832], [2836], [2840], [2847], [2851], [2855], [2859], [2863], [2867], [2871], [2875], [2879], [2883], [2887], [2891], [2895], [2899], [2903], [2907], [2911], [2915], [2926], [2930], [2934], [2938], [2942], [2946], [2950], [2954], [2958], [2962], [2966], [2977], [2981], [2992], [2996], [3000], [3004], [3008], [3019], [3023], [3027], [3031], [3035], [3039], [3050], [3054], [3058], [3062], [3066], [3070], [3074], [3085], [3089], [3093], [3097], [3101], [3105], [3116], [3127], [3138], [3142], [3146], [3157], [3161], [3165], [3169], [3173], [3177], [3181], [3185], [3189], [3193], [3197], [3208], [3212], [3216], [3220], [3224], [3235], [3246], [3250], [3261], [3265], [3269], [3273], [3277], [3281], [3285], [3289], [3293], [3297], [3301], [3312], [3323], [3334], [3338], [3342], [3346], [3350], [3354], [3358], [3362], [3366], [3377], [3381], [3385], [3396], [3400], [3404], [3408], [3412], [3416], [3420], [3424], [3428], [3432], [3443], [3454], [3458], [3462], [3466], [3470], [3474], [3478], [3482], [3493], [3497], [3501], [3505], [3509], [3520], [3524], [3528], [3532], [3536], [3540], [3544], [3548], [3552], [3556], [3560], [3564], [3568], [3572], [3576], [3580], [3584], [3588], [3592], [3596], [3600], [3611], [3615], [3619], [3623], [3627], [3631], [3642], [3646], [3650], [3661], [3665], [3669], [3673], [3677], [3681], [3685], [3689], [3693], [3697], [3701], [3705], [3709], [3713], [3717], [3721], [3725], [3729], [3733], [3737], [3741], [3745], [3749], [3753], [3757], [3761], [3772], [3776], [3780], [3784], [3788], [3792], [3796], [3800], [3804], [3808], [3819], [3830], [3834], [3838], [3842], [3846], [3857], [3868], [3872], [3876], [3887], [3891], [3895], [3899], [3903], [3907], [3911], [3915], [3919], [3923], [3927], [3931], [3935], [3946], [3950], [3954], [3958], [3962], [3966], [3972], [3976], [3978], [3983], [3987], [3991], [3995], [3999], [4003], [4007], [4018], [4022], [4026], [4030], [4041], [4045], [4049], [4053], [4064], [4068], [4072], [4076], [4080], [4084], [4088], [4092], [4096], [4100], [4104], [4108], [4112], [4116], [4127], [4131], [4135], [4139], [4143], [4147], [4151], [4155], [4159], [4163], [4167], [4171], [4175], [4179], [4183], [4187], [4191], [4195], [4206], [4210], [4214], [4218], [4222], [4226], [4230], [4241], [4245], [4249], [4253], [4257], [4268], [4279], [4283], [4287], [4291], [4302], [4306], [4310], [4314], [4318], [4322], [4326], [4330], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4388], [4392], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4424], [4428], [4432], [4436], [4447], [4451], [4455], [4459], [4463], [4474], [4478], [4489], [4500], [4504], [4508], [4512], [4516], [4520], [4524], [4528], [4532], [4536], [4540], [4544], [4548], [4552], [4563], [4567], [4571], [4575], [4579], [4583], [4587], [4591], [4602], [4606], [4610], [4614], [4625], [4636], [4640], [4644], [4648], [4652], [4656], [4660], [4664], [4668], [4672], [4676], [4680], [4684], [4688], [4692], [4696], [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], [5046], [5047] [2018-09-11 18:26:46,368 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 18:26:46,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 18:26:48,204 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 18:26:48,204 INFO L272 AbstractInterpreter]: Visited 991 different actions 1976 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-09-11 18:26:48,244 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 18:26:49,847 INFO L232 lantSequenceWeakener]: Weakened 1108 states. On average, predicates are now at 70.61% of their original sizes. [2018-09-11 18:26:49,847 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 18:26:51,101 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 18:26:51,102 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 18:26:51,103 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-09-11 18:26:51,103 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 18:26:51,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-09-11 18:26:51,106 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-09-11 18:26:51,106 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2018-09-11 18:26:51,106 INFO L87 Difference]: Start difference. First operand 2326 states and 3419 transitions. Second operand 24 states. [2018-09-11 18:28:02,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 18:28:02,513 INFO L93 Difference]: Finished difference Result 5668 states and 9809 transitions. [2018-09-11 18:28:02,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-09-11 18:28:02,514 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1111 [2018-09-11 18:28:02,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 18:28:02,535 INFO L225 Difference]: With dead ends: 5668 [2018-09-11 18:28:02,536 INFO L226 Difference]: Without dead ends: 4362 [2018-09-11 18:28:02,542 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1128 GetRequests, 1088 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=232, Invalid=1490, Unknown=0, NotChecked=0, Total=1722 [2018-09-11 18:28:02,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2018-09-11 18:28:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 4357. [2018-09-11 18:28:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4357 states. [2018-09-11 18:28:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 4357 states and 5519 transitions. [2018-09-11 18:28:02,644 INFO L78 Accepts]: Start accepts. Automaton has 4357 states and 5519 transitions. Word has length 1111 [2018-09-11 18:28:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 18:28:02,646 INFO L480 AbstractCegarLoop]: Abstraction has 4357 states and 5519 transitions. [2018-09-11 18:28:02,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-09-11 18:28:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 5519 transitions. [2018-09-11 18:28:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1138 [2018-09-11 18:28:02,676 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 18:28:02,678 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:02,678 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 18:28:02,679 INFO L82 PathProgramCache]: Analyzing trace with hash -11747257, now seen corresponding path program 1 times [2018-09-11 18:28:02,679 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 18:28:02,679 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1138 with the following transitions: [2018-09-11 18:28:02,681 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], [125], [129], [133], [137], [141], [145], [149], [153], [157], [161], [165], [169], [173], [177], [181], [185], [189], [193], [197], [201], [212], [216], [220], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [712], [716], [720], [724], [728], [732], [736], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [790], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [838], [842], [846], [857], [861], [865], [869], [873], [884], [888], [892], [896], [900], [904], [908], [912], [916], [927], [938], [949], [953], [957], [961], [965], [969], [973], [977], [981], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1099], [1103], [1107], [1118], [1122], [1126], [1130], [1134], [1138], [1142], [1153], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1215], [1219], [1223], [1227], [1231], [1235], [1239], [1243], [1247], [1251], [1255], [1259], [1262], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1311], [1315], [1319], [1323], [1327], [1331], [1335], [1339], [1343], [1347], [1358], [1362], [1373], [1377], [1381], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1475], [1479], [1483], [1487], [1491], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1574], [1578], [1582], [1586], [1590], [1594], [1605], [1616], [1620], [1624], [1628], [1632], [1636], [1640], [1644], [1648], [1659], [1663], [1667], [1671], [1682], [1693], [1697], [1701], [1705], [1709], [1720], [1724], [1728], [1732], [1736], [1740], [1744], [1748], [1759], [1763], [1767], [1770], [1771], [1775], [1779], [1783], [1787], [1791], [1802], [1806], [1810], [1814], [1818], [1822], [1826], [1830], [1834], [1838], [1842], [1846], [1850], [1854], [1858], [1862], [1866], [1877], [1881], [1892], [1896], [1900], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1965], [1969], [1973], [1977], [1988], [1992], [2003], [2007], [2011], [2015], [2019], [2023], [2027], [2038], [2042], [2046], [2050], [2054], [2058], [2062], [2066], [2070], [2074], [2078], [2082], [2086], [2097], [2101], [2105], [2109], [2113], [2117], [2128], [2139], [2143], [2154], [2158], [2162], [2166], [2170], [2174], [2178], [2182], [2186], [2190], [2194], [2198], [2202], [2206], [2210], [2214], [2218], [2222], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2316], [2320], [2324], [2328], [2332], [2336], [2340], [2344], [2348], [2352], [2356], [2367], [2371], [2382], [2386], [2390], [2394], [2398], [2402], [2406], [2410], [2414], [2418], [2429], [2433], [2437], [2441], [2445], [2456], [2460], [2464], [2468], [2472], [2476], [2480], [2484], [2488], [2492], [2496], [2500], [2504], [2515], [2519], [2523], [2527], [2531], [2535], [2539], [2543], [2547], [2551], [2555], [2566], [2570], [2574], [2578], [2582], [2586], [2590], [2594], [2598], [2602], [2613], [2617], [2628], [2632], [2636], [2640], [2644], [2648], [2652], [2656], [2660], [2664], [2668], [2672], [2676], [2680], [2691], [2695], [2706], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2832], [2836], [2840], [2847], [2851], [2855], [2859], [2863], [2867], [2871], [2875], [2879], [2883], [2887], [2891], [2895], [2899], [2903], [2907], [2911], [2915], [2926], [2930], [2934], [2938], [2942], [2946], [2950], [2954], [2958], [2962], [2966], [2977], [2981], [2992], [2996], [3000], [3004], [3008], [3019], [3023], [3027], [3031], [3035], [3039], [3050], [3054], [3058], [3062], [3066], [3070], [3074], [3085], [3089], [3093], [3097], [3101], [3105], [3116], [3127], [3138], [3142], [3146], [3157], [3161], [3165], [3169], [3173], [3177], [3181], [3185], [3189], [3193], [3197], [3208], [3212], [3216], [3220], [3224], [3235], [3246], [3250], [3261], [3265], [3269], [3273], [3277], [3281], [3285], [3289], [3293], [3297], [3301], [3312], [3323], [3334], [3338], [3342], [3346], [3350], [3354], [3358], [3362], [3366], [3377], [3381], [3385], [3396], [3400], [3404], [3408], [3412], [3416], [3420], [3424], [3428], [3432], [3443], [3454], [3458], [3462], [3466], [3470], [3474], [3478], [3482], [3493], [3497], [3501], [3505], [3509], [3520], [3524], [3528], [3532], [3536], [3540], [3544], [3548], [3552], [3556], [3560], [3564], [3568], [3572], [3576], [3580], [3584], [3588], [3592], [3596], [3600], [3611], [3615], [3619], [3623], [3627], [3631], [3642], [3646], [3650], [3661], [3665], [3669], [3673], [3677], [3681], [3685], [3689], [3693], [3697], [3701], [3705], [3709], [3713], [3717], [3721], [3725], [3729], [3733], [3737], [3741], [3745], [3749], [3753], [3757], [3761], [3772], [3776], [3780], [3784], [3788], [3792], [3796], [3800], [3804], [3808], [3819], [3830], [3834], [3838], [3842], [3846], [3857], [3868], [3872], [3876], [3887], [3891], [3895], [3899], [3903], [3907], [3911], [3915], [3919], [3923], [3927], [3931], [3935], [3946], [3950], [3954], [3958], [3962], [3966], [3972], [3976], [3978], [3983], [3987], [3991], [3995], [3999], [4003], [4007], [4018], [4022], [4026], [4030], [4041], [4045], [4049], [4053], [4064], [4068], [4072], [4076], [4080], [4084], [4088], [4092], [4096], [4100], [4104], [4108], [4112], [4116], [4127], [4131], [4135], [4139], [4143], [4147], [4151], [4155], [4159], [4163], [4167], [4171], [4175], [4179], [4183], [4187], [4191], [4195], [4206], [4210], [4214], [4218], [4222], [4226], [4230], [4241], [4245], [4249], [4253], [4257], [4268], [4279], [4283], [4287], [4291], [4302], [4306], [4310], [4314], [4318], [4322], [4326], [4330], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4388], [4392], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4424], [4428], [4432], [4436], [4447], [4451], [4455], [4459], [4463], [4474], [4478], [4489], [4500], [4504], [4508], [4512], [4516], [4520], [4524], [4528], [4532], [4536], [4540], [4544], [4548], [4552], [4563], [4567], [4571], [4575], [4579], [4583], [4587], [4591], [4602], [4606], [4610], [4614], [4625], [4636], [4640], [4644], [4648], [4652], [4656], [4660], [4664], [4668], [4672], [4676], [4680], [4684], [4688], [4692], [4696], [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], [5046], [5047] [2018-09-11 18:28:02,691 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 18:28:02,691 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 18:28:04,046 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 18:28:04,046 INFO L272 AbstractInterpreter]: Visited 992 different actions 2968 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 88 variables. [2018-09-11 18:28:04,055 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 18:28:06,134 INFO L232 lantSequenceWeakener]: Weakened 1134 states. On average, predicates are now at 70.61% of their original sizes. [2018-09-11 18:28:06,135 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 18:28:07,301 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 18:28:07,302 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 18:28:07,302 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2018-09-11 18:28:07,302 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 18:28:07,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-09-11 18:28:07,304 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-09-11 18:28:07,305 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2018-09-11 18:28:07,305 INFO L87 Difference]: Start difference. First operand 4357 states and 5519 transitions. Second operand 25 states. [2018-09-11 18:29:06,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 18:29:06,978 INFO L93 Difference]: Finished difference Result 9734 states and 14066 transitions. [2018-09-11 18:29:06,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-09-11 18:29:06,979 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1137 [2018-09-11 18:29:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 18:29:07,014 INFO L225 Difference]: With dead ends: 9734 [2018-09-11 18:29:07,015 INFO L226 Difference]: Without dead ends: 7414 [2018-09-11 18:29:07,023 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1154 GetRequests, 1113 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=239, Invalid=1567, Unknown=0, NotChecked=0, Total=1806 [2018-09-11 18:29:07,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7414 states. [2018-09-11 18:29:07,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7414 to 7404. [2018-09-11 18:29:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7404 states. [2018-09-11 18:29:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7404 states to 7404 states and 8713 transitions. [2018-09-11 18:29:07,244 INFO L78 Accepts]: Start accepts. Automaton has 7404 states and 8713 transitions. Word has length 1137 [2018-09-11 18:29:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 18:29:07,246 INFO L480 AbstractCegarLoop]: Abstraction has 7404 states and 8713 transitions. [2018-09-11 18:29:07,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-09-11 18:29:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 7404 states and 8713 transitions. [2018-09-11 18:29:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2018-09-11 18:29:07,276 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 18:29:07,278 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:07,278 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 18:29:07,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1684543480, now seen corresponding path program 1 times [2018-09-11 18:29:07,279 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 18:29:07,280 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1170 with the following transitions: [2018-09-11 18:29:07,281 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], [125], [129], [133], [137], [141], [145], [149], [153], [157], [161], [165], [169], [173], [177], [181], [185], [189], [193], [197], [201], [212], [216], [220], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [712], [716], [720], [724], [728], [732], [736], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [838], [842], [846], [857], [861], [865], [869], [873], [884], [888], [892], [896], [900], [904], [908], [912], [916], [927], [938], [949], [953], [957], [961], [965], [969], [973], [977], [981], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1099], [1103], [1107], [1118], [1122], [1126], [1130], [1134], [1138], [1142], [1153], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1215], [1219], [1223], [1227], [1231], [1235], [1239], [1243], [1247], [1251], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1311], [1315], [1319], [1323], [1327], [1331], [1335], [1339], [1343], [1347], [1358], [1362], [1373], [1377], [1381], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1475], [1479], [1483], [1487], [1491], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1529], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1574], [1578], [1582], [1586], [1590], [1594], [1605], [1616], [1620], [1624], [1628], [1632], [1636], [1640], [1644], [1648], [1659], [1663], [1667], [1671], [1682], [1693], [1697], [1701], [1705], [1709], [1720], [1724], [1728], [1732], [1736], [1740], [1744], [1748], [1759], [1763], [1767], [1770], [1771], [1775], [1779], [1783], [1787], [1791], [1802], [1806], [1810], [1814], [1818], [1822], [1826], [1830], [1834], [1838], [1842], [1846], [1850], [1854], [1858], [1862], [1866], [1877], [1881], [1892], [1896], [1900], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1965], [1969], [1973], [1977], [1988], [1992], [2003], [2007], [2011], [2015], [2019], [2023], [2027], [2038], [2042], [2046], [2050], [2054], [2058], [2062], [2066], [2070], [2074], [2078], [2082], [2086], [2097], [2101], [2105], [2109], [2113], [2117], [2128], [2139], [2143], [2154], [2158], [2162], [2166], [2170], [2174], [2178], [2182], [2186], [2190], [2194], [2198], [2202], [2206], [2210], [2214], [2218], [2222], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2316], [2320], [2324], [2328], [2332], [2336], [2340], [2344], [2348], [2352], [2356], [2367], [2371], [2382], [2386], [2390], [2394], [2398], [2402], [2406], [2410], [2414], [2418], [2429], [2433], [2437], [2441], [2445], [2456], [2460], [2464], [2468], [2472], [2476], [2480], [2484], [2488], [2492], [2496], [2500], [2504], [2515], [2519], [2523], [2527], [2531], [2535], [2539], [2543], [2547], [2551], [2555], [2566], [2570], [2574], [2578], [2582], [2586], [2590], [2594], [2598], [2602], [2613], [2617], [2628], [2632], [2636], [2640], [2644], [2648], [2652], [2656], [2660], [2664], [2668], [2672], [2676], [2680], [2691], [2695], [2706], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2832], [2836], [2840], [2847], [2851], [2855], [2859], [2863], [2867], [2871], [2875], [2879], [2883], [2887], [2891], [2895], [2899], [2903], [2907], [2911], [2915], [2926], [2930], [2934], [2938], [2942], [2946], [2950], [2954], [2958], [2962], [2966], [2977], [2981], [2992], [2996], [3000], [3004], [3008], [3019], [3023], [3027], [3031], [3035], [3039], [3050], [3054], [3058], [3062], [3066], [3070], [3074], [3085], [3089], [3093], [3097], [3101], [3105], [3116], [3127], [3138], [3142], [3146], [3157], [3161], [3165], [3169], [3173], [3177], [3181], [3185], [3189], [3193], [3197], [3208], [3212], [3216], [3220], [3224], [3235], [3246], [3250], [3261], [3265], [3269], [3273], [3277], [3281], [3285], [3289], [3293], [3297], [3301], [3312], [3323], [3334], [3338], [3342], [3346], [3350], [3354], [3358], [3362], [3366], [3377], [3381], [3385], [3396], [3400], [3404], [3408], [3412], [3416], [3420], [3424], [3428], [3432], [3443], [3454], [3458], [3462], [3466], [3470], [3474], [3478], [3482], [3493], [3497], [3501], [3505], [3509], [3520], [3524], [3528], [3532], [3536], [3540], [3544], [3548], [3552], [3556], [3560], [3564], [3568], [3572], [3576], [3580], [3584], [3588], [3592], [3596], [3600], [3611], [3615], [3619], [3623], [3627], [3631], [3642], [3646], [3650], [3661], [3665], [3669], [3673], [3677], [3681], [3685], [3689], [3693], [3697], [3701], [3705], [3709], [3713], [3717], [3721], [3725], [3729], [3733], [3737], [3741], [3745], [3749], [3753], [3757], [3761], [3772], [3776], [3780], [3784], [3788], [3792], [3796], [3800], [3804], [3808], [3819], [3830], [3834], [3838], [3842], [3846], [3857], [3868], [3872], [3876], [3887], [3891], [3895], [3899], [3903], [3907], [3911], [3915], [3919], [3923], [3927], [3931], [3935], [3946], [3950], [3954], [3958], [3962], [3966], [3972], [3976], [3978], [3983], [3987], [3991], [3995], [3999], [4003], [4007], [4018], [4022], [4026], [4030], [4041], [4045], [4049], [4053], [4064], [4068], [4072], [4076], [4080], [4084], [4088], [4092], [4096], [4100], [4104], [4108], [4112], [4116], [4127], [4131], [4135], [4139], [4143], [4147], [4151], [4155], [4159], [4163], [4167], [4171], [4175], [4179], [4183], [4187], [4191], [4195], [4206], [4210], [4214], [4218], [4222], [4226], [4230], [4241], [4245], [4249], [4253], [4257], [4268], [4279], [4283], [4287], [4291], [4302], [4306], [4310], [4314], [4318], [4322], [4326], [4330], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4388], [4392], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4424], [4428], [4432], [4436], [4447], [4451], [4455], [4459], [4463], [4474], [4478], [4489], [4500], [4504], [4508], [4512], [4516], [4520], [4524], [4528], [4532], [4536], [4540], [4544], [4548], [4552], [4563], [4567], [4571], [4575], [4579], [4583], [4587], [4591], [4602], [4606], [4610], [4614], [4625], [4636], [4640], [4644], [4648], [4652], [4656], [4660], [4664], [4668], [4672], [4676], [4680], [4684], [4688], [4692], [4696], [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], [5046], [5047] [2018-09-11 18:29:07,293 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 18:29:07,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 18:29:07,960 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 18:29:07,961 INFO L272 AbstractInterpreter]: Visited 991 different actions 1975 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-09-11 18:29:07,997 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 18:29:09,589 INFO L232 lantSequenceWeakener]: Weakened 1166 states. On average, predicates are now at 70.58% of their original sizes. [2018-09-11 18:29:09,590 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 18:29:10,650 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 18:29:10,651 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 18:29:10,651 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2018-09-11 18:29:10,651 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 18:29:10,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-09-11 18:29:10,653 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-09-11 18:29:10,653 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2018-09-11 18:29:10,653 INFO L87 Difference]: Start difference. First operand 7404 states and 8713 transitions. Second operand 25 states. Received shutdown request... [2018-09-11 18:29:57,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-11 18:29:57,583 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-11 18:29:57,588 WARN L206 ceAbstractionStarter]: Timeout [2018-09-11 18:29:57,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 06:29:57 BoogieIcfgContainer [2018-09-11 18:29:57,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 18:29:57,589 INFO L168 Benchmark]: Toolchain (without parser) took 248065.60 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-11 18:29:57,592 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 18:29:57,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3634.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 999.4 MB in the end (delta: 402.3 MB). Peak memory consumption was 402.3 MB. Max. memory is 7.1 GB. [2018-09-11 18:29:57,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.87 ms. Allocated memory is still 1.5 GB. Free memory was 999.4 MB in the beginning and 988.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-11 18:29:57,595 INFO L168 Benchmark]: Boogie Preprocessor took 1007.82 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 921.2 MB). Free memory was 988.9 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 143.1 MB. Max. memory is 7.1 GB. [2018-09-11 18:29:57,597 INFO L168 Benchmark]: RCFGBuilder took 12701.49 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 153.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 564.2 MB). Peak memory consumption was 717.3 MB. Max. memory is 7.1 GB. [2018-09-11 18:29:57,599 INFO L168 Benchmark]: TraceAbstraction took 230535.50 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -982.2 MB). Peak memory consumption was 591.2 MB. Max. memory is 7.1 GB. [2018-09-11 18:29:57,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3634.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 999.4 MB in the end (delta: 402.3 MB). Peak memory consumption was 402.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 176.87 ms. Allocated memory is still 1.5 GB. Free memory was 999.4 MB in the beginning and 988.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1007.82 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 921.2 MB). Free memory was 988.9 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 143.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12701.49 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 153.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 564.2 MB). Peak memory consumption was 717.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230535.50 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -982.2 MB). Peak memory consumption was 591.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 9411]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 9411). Cancelled while BasicCegarLoop was constructing difference of abstraction (7404states) and FLOYD_HOARE automaton (currently 27 states, 25 states before enhancement), while ReachableStatesComputation was computing reachable states (9482 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 1316 locations, 1 error locations. TIMEOUT Result, 230.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 211.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5335 SDtfs, 19063 SDslu, 9780 SDs, 0 SdLazy, 131309 SolverSat, 6429 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 187.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 4459 GetRequests, 4316 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7404occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.5s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9997772166203639 AbsIntWeakeningRatio, 0.05725971370143149 AbsIntAvgWeakeningVarsNumRemoved, 13.762553965007953 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 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/Problem06_label57_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_18-29-57-633.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem06_label57_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_18-29-57-633.csv Completed graceful shutdown