java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem06_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 11:43:22,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 11:43:22,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 11:43:22,566 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 11:43:22,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 11:43:22,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 11:43:22,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 11:43:22,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 11:43:22,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 11:43:22,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 11:43:22,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 11:43:22,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 11:43:22,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 11:43:22,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 11:43:22,585 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 11:43:22,586 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 11:43:22,587 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 11:43:22,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 11:43:22,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 11:43:22,605 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 11:43:22,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 11:43:22,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 11:43:22,612 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 11:43:22,613 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 11:43:22,613 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 11:43:22,614 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 11:43:22,615 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 11:43:22,615 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 11:43:22,618 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 11:43:22,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 11:43:22,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 11:43:22,620 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 11:43:22,620 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 11:43:22,620 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 11:43:22,626 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 11:43:22,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 11:43:22,628 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 11:43:22,655 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 11:43:22,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 11:43:22,656 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 11:43:22,656 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 11:43:22,656 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 11:43:22,657 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 11:43:22,657 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 11:43:22,658 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 11:43:22,658 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 11:43:22,658 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 11:43:22,658 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 11:43:22,658 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 11:43:22,659 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 11:43:22,660 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 11:43:22,660 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 11:43:22,660 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 11:43:22,660 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 11:43:22,660 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 11:43:22,660 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 11:43:22,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 11:43:22,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 11:43:22,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 11:43:22,662 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 11:43:22,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 11:43:22,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 11:43:22,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 11:43:22,663 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 11:43:22,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 11:43:22,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 11:43:22,664 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 11:43:22,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 11:43:22,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 11:43:22,664 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 11:43:22,664 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 11:43:22,665 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 11:43:22,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 11:43:22,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 11:43:22,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 11:43:22,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 11:43:22,742 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 11:43:22,743 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label35_true-unreach-call.c [2018-07-21 11:43:23,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d5edde45e/ac75053c05c9438bac0839a48f8ad801/FLAG3d43a7a6e [2018-07-21 11:43:23,855 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 11:43:23,856 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label35_true-unreach-call.c [2018-07-21 11:43:23,912 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d5edde45e/ac75053c05c9438bac0839a48f8ad801/FLAG3d43a7a6e [2018-07-21 11:43:23,934 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/d5edde45e/ac75053c05c9438bac0839a48f8ad801 [2018-07-21 11:43:23,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 11:43:23,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 11:43:23,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 11:43:23,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 11:43:23,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 11:43:23,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:43:23" (1/1) ... [2018-07-21 11:43:23,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18408be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:23, skipping insertion in model container [2018-07-21 11:43:23,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:43:23" (1/1) ... [2018-07-21 11:43:24,504 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 11:43:26,481 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 11:43:26,501 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 11:43:28,059 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 11:43:28,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28 WrapperNode [2018-07-21 11:43:28,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 11:43:28,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 11:43:28,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 11:43:28,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 11:43:28,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:28,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:28,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 11:43:28,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 11:43:28,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 11:43:28,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 11:43:28,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:28,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:28,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:28,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:28,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:29,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:29,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... [2018-07-21 11:43:29,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 11:43:29,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 11:43:29,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 11:43:29,807 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 11:43:29,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 11:43:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-21 11:43:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-21 11:43:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 11:43:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 11:43:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-21 11:43:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-21 11:43:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-21 11:43:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-21 11:43:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 11:43:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 11:43:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 11:43:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 11:43:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 11:43:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 11:43:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 11:43:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 11:43:42,256 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 11:43:42,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:43:42 BoogieIcfgContainer [2018-07-21 11:43:42,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 11:43:42,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 11:43:42,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 11:43:42,261 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 11:43:42,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:43:23" (1/3) ... [2018-07-21 11:43:42,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38527a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:43:42, skipping insertion in model container [2018-07-21 11:43:42,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:43:28" (2/3) ... [2018-07-21 11:43:42,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38527a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:43:42, skipping insertion in model container [2018-07-21 11:43:42,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:43:42" (3/3) ... [2018-07-21 11:43:42,266 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem06_label35_true-unreach-call.c [2018-07-21 11:43:42,275 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 11:43:42,284 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 11:43:42,353 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 11:43:42,354 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 11:43:42,354 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 11:43:42,354 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 11:43:42,354 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 11:43:42,354 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 11:43:42,354 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 11:43:42,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 11:43:42,354 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 11:43:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states. [2018-07-21 11:43:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2018-07-21 11:43:42,497 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 11:43:42,500 INFO L358 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] [2018-07-21 11:43:42,501 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 11:43:42,508 INFO L82 PathProgramCache]: Analyzing trace with hash -725341583, now seen corresponding path program 1 times [2018-07-21 11:43:42,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 11:43:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:43:42,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 11:43:42,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:43:42,556 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 11:43:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 11:43:45,171 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 11:43:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 11:43:46,316 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 11:43:46,316 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 11:43:46,316 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 11:43:46,420 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 11:43:46,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 11:43:46,439 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 11:43:46,443 INFO L87 Difference]: Start difference. First operand 1316 states. Second operand 3 states. [2018-07-21 11:43:53,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 11:43:53,301 INFO L93 Difference]: Finished difference Result 3736 states and 6973 transitions. [2018-07-21 11:43:53,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 11:43:53,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 979 [2018-07-21 11:43:53,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 11:43:53,376 INFO L225 Difference]: With dead ends: 3736 [2018-07-21 11:43:53,376 INFO L226 Difference]: Without dead ends: 2418 [2018-07-21 11:43:53,394 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 11:43:53,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2018-07-21 11:43:53,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2399. [2018-07-21 11:43:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2399 states. [2018-07-21 11:43:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2399 states and 4263 transitions. [2018-07-21 11:43:53,611 INFO L78 Accepts]: Start accepts. Automaton has 2399 states and 4263 transitions. Word has length 979 [2018-07-21 11:43:53,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 11:43:53,616 INFO L471 AbstractCegarLoop]: Abstraction has 2399 states and 4263 transitions. [2018-07-21 11:43:53,616 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 11:43:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 4263 transitions. [2018-07-21 11:43:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 989 [2018-07-21 11:43:53,707 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 11:43:53,708 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 11:43:53,708 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 11:43:53,709 INFO L82 PathProgramCache]: Analyzing trace with hash 389120121, now seen corresponding path program 1 times [2018-07-21 11:43:53,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 11:43:53,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:43:53,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 11:43:53,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:43:53,712 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 11:43:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 11:43:54,206 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-07-21 11:43:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 11:43:55,077 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 11:43:55,077 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 11:43:55,078 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 11:43:55,081 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 11:43:55,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 11:43:55,082 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 11:43:55,082 INFO L87 Difference]: Start difference. First operand 2399 states and 4263 transitions. Second operand 5 states. [2018-07-21 11:43:55,251 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-07-21 11:44:05,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 11:44:05,781 INFO L93 Difference]: Finished difference Result 7216 states and 12902 transitions. [2018-07-21 11:44:05,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-21 11:44:05,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 988 [2018-07-21 11:44:05,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 11:44:05,817 INFO L225 Difference]: With dead ends: 7216 [2018-07-21 11:44:05,818 INFO L226 Difference]: Without dead ends: 4823 [2018-07-21 11:44:05,824 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-21 11:44:05,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4823 states. [2018-07-21 11:44:06,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4823 to 4762. [2018-07-21 11:44:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4762 states. [2018-07-21 11:44:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4762 states to 4762 states and 8504 transitions. [2018-07-21 11:44:06,031 INFO L78 Accepts]: Start accepts. Automaton has 4762 states and 8504 transitions. Word has length 988 [2018-07-21 11:44:06,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 11:44:06,031 INFO L471 AbstractCegarLoop]: Abstraction has 4762 states and 8504 transitions. [2018-07-21 11:44:06,032 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 11:44:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4762 states and 8504 transitions. [2018-07-21 11:44:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2018-07-21 11:44:06,069 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 11:44:06,070 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 11:44:06,070 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 11:44:06,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1066344125, now seen corresponding path program 1 times [2018-07-21 11:44:06,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 11:44:06,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:44:06,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 11:44:06,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:44:06,073 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 11:44:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 11:44:06,522 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 11:44:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 11:44:07,394 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 11:44:07,394 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 11:44:07,394 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 11:44:07,396 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 11:44:07,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 11:44:07,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 11:44:07,397 INFO L87 Difference]: Start difference. First operand 4762 states and 8504 transitions. Second operand 6 states. [2018-07-21 11:44:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 11:44:14,665 INFO L93 Difference]: Finished difference Result 11885 states and 21290 transitions. [2018-07-21 11:44:14,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 11:44:14,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 990 [2018-07-21 11:44:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 11:44:14,706 INFO L225 Difference]: With dead ends: 11885 [2018-07-21 11:44:14,707 INFO L226 Difference]: Without dead ends: 7129 [2018-07-21 11:44:14,721 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 11:44:14,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7129 states. [2018-07-21 11:44:14,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7129 to 6999. [2018-07-21 11:44:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6999 states. [2018-07-21 11:44:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6999 states to 6999 states and 11319 transitions. [2018-07-21 11:44:15,014 INFO L78 Accepts]: Start accepts. Automaton has 6999 states and 11319 transitions. Word has length 990 [2018-07-21 11:44:15,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 11:44:15,015 INFO L471 AbstractCegarLoop]: Abstraction has 6999 states and 11319 transitions. [2018-07-21 11:44:15,015 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 11:44:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 6999 states and 11319 transitions. [2018-07-21 11:44:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2018-07-21 11:44:15,047 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 11:44:15,047 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 11:44:15,048 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 11:44:15,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1074742920, now seen corresponding path program 1 times [2018-07-21 11:44:15,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 11:44:15,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:44:15,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 11:44:15,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:44:15,050 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 11:44:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 11:44:15,445 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 11:44:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 11:44:15,827 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 11:44:15,827 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 11:44:15,827 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 11:44:15,829 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 11:44:15,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 11:44:15,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 11:44:15,829 INFO L87 Difference]: Start difference. First operand 6999 states and 11319 transitions. Second operand 6 states. [2018-07-21 11:44:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 11:44:21,600 INFO L93 Difference]: Finished difference Result 21385 states and 36039 transitions. [2018-07-21 11:44:21,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 11:44:21,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1000 [2018-07-21 11:44:21,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 11:44:21,665 INFO L225 Difference]: With dead ends: 21385 [2018-07-21 11:44:21,666 INFO L226 Difference]: Without dead ends: 14392 [2018-07-21 11:44:21,700 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 11:44:21,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14392 states. [2018-07-21 11:44:22,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14392 to 13966. [2018-07-21 11:44:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13966 states. [2018-07-21 11:44:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13966 states to 13966 states and 22471 transitions. [2018-07-21 11:44:22,256 INFO L78 Accepts]: Start accepts. Automaton has 13966 states and 22471 transitions. Word has length 1000 [2018-07-21 11:44:22,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 11:44:22,257 INFO L471 AbstractCegarLoop]: Abstraction has 13966 states and 22471 transitions. [2018-07-21 11:44:22,257 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 11:44:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 13966 states and 22471 transitions. [2018-07-21 11:44:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2018-07-21 11:44:22,318 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 11:44:22,319 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 11:44:22,319 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5Err0AssertViolationERROR_FUNCTION]=== [2018-07-21 11:44:22,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1040355506, now seen corresponding path program 1 times [2018-07-21 11:44:22,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 11:44:22,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:44:22,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 11:44:22,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 11:44:22,323 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 11:44:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 11:44:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 11:44:23,403 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 11:44:23,404 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 11:44:23,406 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 1027 with the following transitions: [2018-07-21 11:44:23,415 INFO L201 CegarAbsIntRunner]: [0], [4], [15], [26], [30], [34], [38], [49], [53], [57], [61], [65], [69], [80], [84], [88], [99], [103], [107], [111], [115], [119], [123], [127], [131], [135], [139], [143], [147], [151], [155], [159], [163], [167], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [710], [711], [712], [716], [720], [724], [728], [732], [736], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [842], [846], [857], [861], [865], [869], [873], [884], [888], [892], [896], [900], [904], [915], [919], [923], [927], [931], [935], [939], [950], [954], [958], [962], [966], [970], [981], [992], [1003], [1007], [1011], [1022], [1026], [1030], [1034], [1038], [1042], [1046], [1050], [1054], [1058], [1062], [1073], [1077], [1081], [1085], [1089], [1100], [1111], [1115], [1126], [1130], [1134], [1138], [1142], [1146], [1150], [1154], [1158], [1162], [1166], [1177], [1188], [1199], [1203], [1207], [1211], [1215], [1219], [1223], [1227], [1231], [1242], [1246], [1250], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1308], [1319], [1323], [1327], [1331], [1335], [1339], [1343], [1347], [1358], [1362], [1366], [1370], [1374], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1476], [1480], [1484], [1488], [1492], [1496], [1507], [1511], [1515], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1574], [1578], [1582], [1586], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1637], [1641], [1645], [1649], [1653], [1657], [1661], [1665], [1669], [1673], [1684], [1695], [1699], [1703], [1707], [1711], [1722], [1733], [1737], [1741], [1752], [1756], [1760], [1764], [1768], [1772], [1776], [1780], [1784], [1788], [1792], [1796], [1800], [1811], [1815], [1819], [1823], [1827], [1831], [1835], [1839], [1843], [1847], [1858], [1862], [1866], [1870], [1874], [1878], [1882], [1886], [1890], [1894], [1898], [1902], [1906], [1910], [1914], [1918], [1922], [1933], [1937], [1948], [1952], [1956], [1967], [1971], [1975], [1979], [1983], [1987], [1991], [1995], [2006], [2010], [2021], [2025], [2029], [2033], [2044], [2048], [2059], [2063], [2067], [2071], [2075], [2079], [2083], [2094], [2098], [2102], [2106], [2110], [2114], [2118], [2122], [2126], [2130], [2134], [2138], [2142], [2153], [2157], [2161], [2165], [2169], [2173], [2184], [2195], [2199], [2210], [2214], [2218], [2222], [2226], [2230], [2234], [2238], [2242], [2246], [2250], [2254], [2258], [2262], [2266], [2270], [2274], [2278], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2372], [2376], [2380], [2384], [2388], [2392], [2396], [2400], [2404], [2408], [2412], [2423], [2427], [2438], [2442], [2446], [2450], [2454], [2458], [2462], [2466], [2470], [2474], [2485], [2489], [2493], [2497], [2501], [2512], [2516], [2520], [2524], [2528], [2532], [2536], [2540], [2544], [2548], [2552], [2556], [2560], [2571], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2622], [2626], [2630], [2634], [2638], [2642], [2646], [2650], [2654], [2658], [2669], [2673], [2684], [2688], [2692], [2696], [2700], [2704], [2708], [2712], [2716], [2720], [2724], [2728], [2732], [2736], [2747], [2751], [2762], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2888], [2892], [2896], [2903], [2907], [2913], [2917], [2919], [2924], [2928], [2932], [2936], [2940], [2944], [2948], [2959], [2963], [2967], [2971], [2982], [2986], [2990], [2994], [3005], [3009], [3013], [3017], [3021], [3025], [3029], [3033], [3037], [3041], [3045], [3049], [3053], [3057], [3068], [3072], [3076], [3080], [3084], [3088], [3092], [3096], [3100], [3104], [3108], [3112], [3116], [3120], [3124], [3128], [3132], [3136], [3147], [3151], [3155], [3159], [3163], [3167], [3171], [3182], [3186], [3190], [3194], [3198], [3209], [3220], [3224], [3228], [3232], [3243], [3247], [3251], [3255], [3259], [3263], [3267], [3271], [3282], [3286], [3290], [3294], [3298], [3302], [3306], [3310], [3314], [3318], [3329], [3333], [3337], [3341], [3345], [3349], [3353], [3357], [3361], [3365], [3369], [3373], [3377], [3388], [3392], [3396], [3400], [3404], [3415], [3419], [3430], [3441], [3445], [3449], [3453], [3457], [3461], [3465], [3469], [3473], [3477], [3481], [3485], [3489], [3493], [3504], [3508], [3512], [3516], [3520], [3524], [3528], [3532], [3543], [3547], [3551], [3555], [3566], [3577], [3581], [3585], [3589], [3593], [3597], [3601], [3605], [3609], [3613], [3617], [3621], [3625], [3629], [3633], [3637], [3641], [3645], [3649], [3653], [3657], [3661], [3665], [3669], [3673], [3677], [3681], [3685], [3689], [3693], [3697], [3701], [3705], [3709], [3713], [3724], [3728], [3732], [3736], [3740], [3744], [3748], [3752], [3756], [3760], [3764], [3768], [3772], [3776], [3780], [3791], [3795], [3799], [3803], [3807], [3811], [3815], [3819], [3823], [3827], [3831], [3835], [3839], [3850], [3854], [3858], [3862], [3866], [3870], [3874], [3878], [3882], [3886], [3897], [3901], [3905], [3909], [3913], [3917], [3921], [3925], [3929], [3933], [3937], [3941], [3952], [3956], [3960], [3964], [3968], [3972], [3976], [3980], [3984], [3988], [3992], [3996], [3999], [4000], [4011], [4015], [4019], [4023], [4027], [4031], [4035], [4039], [4043], [4047], [4051], [4055], [4059], [4063], [4067], [4071], [4075], [4079], [4082], [4083], [4087], [4091], [4102], [4106], [4110], [4121], [4125], [4129], [4133], [4137], [4148], [4152], [4156], [4160], [4164], [4168], [4172], [4176], [4180], [4191], [4202], [4213], [4217], [4221], [4225], [4229], [4233], [4237], [4241], [4245], [4256], [4260], [4264], [4268], [4272], [4276], [4280], [4284], [4288], [4292], [4296], [4300], [4304], [4308], [4312], [4316], [4320], [4324], [4328], [4332], [4336], [4340], [4344], [4348], [4352], [4363], [4367], [4371], [4382], [4386], [4390], [4394], [4398], [4402], [4406], [4417], [4428], [4432], [4436], [4440], [4444], [4448], [4452], [4456], [4460], [4464], [4468], [4479], [4483], [4487], [4491], [4495], [4499], [4503], [4507], [4511], [4515], [4519], [4523], [4527], [4531], [4535], [4539], [4543], [4547], [4551], [4555], [4559], [4563], [4567], [4571], [4575], [4579], [4583], [4587], [4591], [4595], [4599], [4603], [4607], [4611], [4622], [4626], [4637], [4641], [4645], [4656], [4660], [4664], [4668], [4672], [4676], [4680], [4684], [4688], [4692], [4696], [4700], [4704], [4708], [4712], [4716], [4720], [4724], [4728], [4739], [4743], [4747], [4751], [4755], [4766], [4770], [4774], [4778], [4782], [4786], [4790], [4794], [4798], [4802], [4806], [4810], [4814], [4818], [4822], [4826], [4830], [4834], [4838], [4842], [4846], [4850], [4854], [4858], [4869], [4880], [4884], [4888], [4892], [4896], [4900], [4904], [4908], [4912], [4923], [4927], [4931], [4935], [4946], [4957], [4961], [4965], [4969], [4973], [4984], [4988], [4992], [4996], [5000], [5004], [5008], [5012], [5023], [5027], [5031], [5034], [5035], [5037], [5039], [5040], [5041], [5043], [5044], [5045], [5047] [2018-07-21 11:44:23,576 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 11:44:23,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-21 11:47:37,168 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 11:47:37,168 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 11:47:37,169 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 11:47:37,169 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 11:47:37,169 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 11:47:37,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 11:47:37,186 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 11:47:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 11:47:37,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 11:47:37,863 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 11:47:38,064 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 11:47:38,064 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 11:47:38,070 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 11:47:38,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:47:38 BoogieIcfgContainer [2018-07-21 11:47:38,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 11:47:38,072 INFO L168 Benchmark]: Toolchain (without parser) took 254125.11 ms. Allocated memory was 302.5 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 220.8 MB in the beginning and 369.9 MB in the end (delta: -149.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. [2018-07-21 11:47:38,073 INFO L168 Benchmark]: CDTParser took 1.61 ms. Allocated memory is still 302.5 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 11:47:38,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4456.02 ms. Allocated memory was 302.5 MB in the beginning and 388.0 MB in the end (delta: 85.5 MB). Free memory was 219.8 MB in the beginning and 241.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 217.2 MB. Max. memory is 5.3 GB. [2018-07-21 11:47:38,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.96 ms. Allocated memory is still 388.0 MB. Free memory was 241.4 MB in the beginning and 227.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. [2018-07-21 11:47:38,074 INFO L168 Benchmark]: Boogie Preprocessor took 1225.09 ms. Allocated memory was 388.0 MB in the beginning and 618.1 MB in the end (delta: 230.2 MB). Free memory was 227.3 MB in the beginning and 507.4 MB in the end (delta: -280.1 MB). Peak memory consumption was 78.4 MB. Max. memory is 5.3 GB. [2018-07-21 11:47:38,075 INFO L168 Benchmark]: RCFGBuilder took 12450.09 ms. Allocated memory was 618.1 MB in the beginning and 853.5 MB in the end (delta: 235.4 MB). Free memory was 507.4 MB in the beginning and 463.1 MB in the end (delta: 44.3 MB). Peak memory consumption was 423.9 MB. Max. memory is 5.3 GB. [2018-07-21 11:47:38,076 INFO L168 Benchmark]: TraceAbstraction took 235813.14 ms. Allocated memory was 853.5 MB in the beginning and 2.4 GB in the end (delta: 1.5 GB). Free memory was 463.1 MB in the beginning and 369.9 MB in the end (delta: 93.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-07-21 11:47:38,080 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.61 ms. Allocated memory is still 302.5 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 4456.02 ms. Allocated memory was 302.5 MB in the beginning and 388.0 MB in the end (delta: 85.5 MB). Free memory was 219.8 MB in the beginning and 241.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 217.2 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 168.96 ms. Allocated memory is still 388.0 MB. Free memory was 241.4 MB in the beginning and 227.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 1225.09 ms. Allocated memory was 388.0 MB in the beginning and 618.1 MB in the end (delta: 230.2 MB). Free memory was 227.3 MB in the beginning and 507.4 MB in the end (delta: -280.1 MB). Peak memory consumption was 78.4 MB. Max. memory is 5.3 GB. * RCFGBuilder took 12450.09 ms. Allocated memory was 618.1 MB in the beginning and 853.5 MB in the end (delta: 235.4 MB). Free memory was 507.4 MB in the beginning and 463.1 MB in the end (delta: 44.3 MB). Peak memory consumption was 423.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 235813.14 ms. Allocated memory was 853.5 MB in the beginning and 2.4 GB in the end (delta: 1.5 GB). Free memory was 463.1 MB in the beginning and 369.9 MB in the end (delta: 93.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 9384]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 9384). Cancelled while BasicCegarLoop was analyzing trace of length 1027 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 1316 locations, 1 error locations. TIMEOUT Result, 235.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 30.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2298 SDtfs, 16298 SDslu, 2156 SDs, 0 SdLazy, 21267 SolverSat, 6083 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 9 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13966occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 193.7s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 636 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 3957 NumberOfCodeBlocks, 3957 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 3953 ConstructedInterpolants, 0 QuantifiedInterpolants, 6966222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem06_label35_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_11-47-38-098.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem06_label35_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_11-47-38-098.csv Completed graceful shutdown