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/Problem19_label28_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 06:14:19,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 06:14:19,614 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 06:14:19,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 06:14:19,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 06:14:19,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 06:14:19,632 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 06:14:19,641 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 06:14:19,645 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 06:14:19,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 06:14:19,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 06:14:19,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 06:14:19,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 06:14:19,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 06:14:19,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 06:14:19,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 06:14:19,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 06:14:19,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 06:14:19,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 06:14:19,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 06:14:19,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 06:14:19,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 06:14:19,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 06:14:19,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 06:14:19,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 06:14:19,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 06:14:19,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 06:14:19,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 06:14:19,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 06:14:19,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 06:14:19,678 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 06:14:19,678 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 06:14:19,679 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 06:14:19,679 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 06:14:19,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 06:14:19,680 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 06:14:19,681 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 06:14:19,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 06:14:19,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 06:14:19,705 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 06:14:19,705 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 06:14:19,706 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 06:14:19,709 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 06:14:19,709 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 06:14:19,710 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 06:14:19,710 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 06:14:19,710 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 06:14:19,710 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 06:14:19,710 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 06:14:19,711 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 06:14:19,711 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 06:14:19,712 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 06:14:19,712 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 06:14:19,712 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 06:14:19,712 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 06:14:19,712 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 06:14:19,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 06:14:19,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 06:14:19,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 06:14:19,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 06:14:19,715 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 06:14:19,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 06:14:19,715 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 06:14:19,715 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 06:14:19,715 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 06:14:19,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 06:14:19,716 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 06:14:19,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 06:14:19,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 06:14:19,716 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 06:14:19,717 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 06:14:19,717 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 06:14:19,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 06:14:19,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 06:14:19,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 06:14:19,801 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 06:14:19,801 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 06:14:19,802 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label28_false-unreach-call.c [2018-07-21 06:14:20,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4aef3cf31/f80ba08190fc46718b84029db9ad3f99/FLAGb95f5aa15 [2018-07-21 06:14:20,953 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 06:14:20,954 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label28_false-unreach-call.c [2018-07-21 06:14:21,013 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4aef3cf31/f80ba08190fc46718b84029db9ad3f99/FLAGb95f5aa15 [2018-07-21 06:14:21,031 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/4aef3cf31/f80ba08190fc46718b84029db9ad3f99 [2018-07-21 06:14:21,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 06:14:21,054 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 06:14:21,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 06:14:21,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 06:14:21,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 06:14:21,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:14:21" (1/1) ... [2018-07-21 06:14:21,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ab3998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:21, skipping insertion in model container [2018-07-21 06:14:21,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:14:21" (1/1) ... [2018-07-21 06:14:21,595 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 06:14:23,596 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 06:14:23,626 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 06:14:25,159 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 06:14:25,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25 WrapperNode [2018-07-21 06:14:25,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 06:14:25,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 06:14:25,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 06:14:25,764 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 06:14:25,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:25,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:27,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 06:14:27,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 06:14:27,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 06:14:27,520 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 06:14:27,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:27,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:27,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:27,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:27,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:28,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:28,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (1/1) ... [2018-07-21 06:14:28,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 06:14:28,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 06:14:28,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 06:14:28,215 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 06:14:28,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (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 06:14:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 06:14:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 06:14:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-21 06:14:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-21 06:14:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-21 06:14:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-21 06:14:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-21 06:14:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-21 06:14:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-21 06:14:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-21 06:14:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 06:14:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 06:14:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 06:14:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 06:14:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 06:14:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 06:14:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 06:14:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 06:14:49,025 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 06:14:49,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:14:49 BoogieIcfgContainer [2018-07-21 06:14:49,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 06:14:49,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 06:14:49,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 06:14:49,032 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 06:14:49,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 06:14:21" (1/3) ... [2018-07-21 06:14:49,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5877d425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:14:49, skipping insertion in model container [2018-07-21 06:14:49,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:14:25" (2/3) ... [2018-07-21 06:14:49,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5877d425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:14:49, skipping insertion in model container [2018-07-21 06:14:49,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:14:49" (3/3) ... [2018-07-21 06:14:49,037 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label28_false-unreach-call.c [2018-07-21 06:14:49,046 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 06:14:49,057 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 06:14:49,136 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 06:14:49,136 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 06:14:49,137 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 06:14:49,137 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 06:14:49,137 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 06:14:49,137 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 06:14:49,137 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 06:14:49,137 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 06:14:49,137 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 06:14:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-21 06:14:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-21 06:14:49,202 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 06:14:49,203 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] [2018-07-21 06:14:49,204 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 06:14:49,209 INFO L82 PathProgramCache]: Analyzing trace with hash 301201030, now seen corresponding path program 1 times [2018-07-21 06:14:49,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 06:14:49,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:14:49,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 06:14:49,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:14:49,255 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 06:14:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 06:14:49,673 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 06:14:49,682 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 06:14:49,683 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 06:14:49,683 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 06:14:49,687 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 06:14:49,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 06:14:49,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 06:14:49,706 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-21 06:15:05,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 06:15:05,403 INFO L93 Difference]: Finished difference Result 4999 states and 9420 transitions. [2018-07-21 06:15:05,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 06:15:05,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-07-21 06:15:05,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 06:15:05,476 INFO L225 Difference]: With dead ends: 4999 [2018-07-21 06:15:05,476 INFO L226 Difference]: Without dead ends: 3219 [2018-07-21 06:15:05,494 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 06:15:05,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-07-21 06:15:05,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3215. [2018-07-21 06:15:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-07-21 06:15:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5845 transitions. [2018-07-21 06:15:05,737 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5845 transitions. Word has length 30 [2018-07-21 06:15:05,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 06:15:05,738 INFO L471 AbstractCegarLoop]: Abstraction has 3215 states and 5845 transitions. [2018-07-21 06:15:05,738 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 06:15:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5845 transitions. [2018-07-21 06:15:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-21 06:15:05,744 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 06:15:05,745 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:05,745 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 06:15:05,745 INFO L82 PathProgramCache]: Analyzing trace with hash -715808899, now seen corresponding path program 1 times [2018-07-21 06:15:05,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 06:15:05,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:15:05,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 06:15:05,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:15:05,747 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 06:15:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 06:15:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 06:15:06,228 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 06:15:06,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 06:15:06,229 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 06:15:06,231 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 06:15:06,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 06:15:06,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-21 06:15:06,232 INFO L87 Difference]: Start difference. First operand 3215 states and 5845 transitions. Second operand 6 states. [2018-07-21 06:15:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 06:15:32,284 INFO L93 Difference]: Finished difference Result 9676 states and 17669 transitions. [2018-07-21 06:15:32,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 06:15:32,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-07-21 06:15:32,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 06:15:32,336 INFO L225 Difference]: With dead ends: 9676 [2018-07-21 06:15:32,336 INFO L226 Difference]: Without dead ends: 6467 [2018-07-21 06:15:32,345 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-21 06:15:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6467 states. [2018-07-21 06:15:32,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6467 to 6359. [2018-07-21 06:15:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6359 states. [2018-07-21 06:15:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 9930 transitions. [2018-07-21 06:15:32,589 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 9930 transitions. Word has length 102 [2018-07-21 06:15:32,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 06:15:32,589 INFO L471 AbstractCegarLoop]: Abstraction has 6359 states and 9930 transitions. [2018-07-21 06:15:32,589 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 06:15:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 9930 transitions. [2018-07-21 06:15:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-21 06:15:32,595 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 06:15:32,595 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:32,595 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 06:15:32,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1654323039, now seen corresponding path program 1 times [2018-07-21 06:15:32,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 06:15:32,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:15:32,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 06:15:32,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:15:32,597 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 06:15:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 06:15:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 06:15:32,795 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 06:15:32,795 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 06:15:32,796 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 06:15:32,796 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 06:15:32,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 06:15:32,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-21 06:15:32,798 INFO L87 Difference]: Start difference. First operand 6359 states and 9930 transitions. Second operand 5 states. [2018-07-21 06:15:48,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 06:15:48,705 INFO L93 Difference]: Finished difference Result 19130 states and 30167 transitions. [2018-07-21 06:15:48,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 06:15:48,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2018-07-21 06:15:48,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 06:15:48,764 INFO L225 Difference]: With dead ends: 19130 [2018-07-21 06:15:48,771 INFO L226 Difference]: Without dead ends: 12777 [2018-07-21 06:15:48,791 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-21 06:15:48,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12777 states. [2018-07-21 06:15:49,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12777 to 12474. [2018-07-21 06:15:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12474 states. [2018-07-21 06:15:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12474 states to 12474 states and 18700 transitions. [2018-07-21 06:15:49,204 INFO L78 Accepts]: Start accepts. Automaton has 12474 states and 18700 transitions. Word has length 103 [2018-07-21 06:15:49,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 06:15:49,204 INFO L471 AbstractCegarLoop]: Abstraction has 12474 states and 18700 transitions. [2018-07-21 06:15:49,204 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 06:15:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 12474 states and 18700 transitions. [2018-07-21 06:15:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-21 06:15:49,214 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 06:15:49,214 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:49,215 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 06:15:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash -493957061, now seen corresponding path program 1 times [2018-07-21 06:15:49,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 06:15:49,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:15:49,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 06:15:49,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:15:49,217 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 06:15:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 06:15:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 06:15:49,704 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 06:15:49,704 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 06:15:49,704 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 06:15:49,704 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 06:15:49,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 06:15:49,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-21 06:15:49,705 INFO L87 Difference]: Start difference. First operand 12474 states and 18700 transitions. Second operand 6 states. [2018-07-21 06:16:32,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 06:16:32,266 INFO L93 Difference]: Finished difference Result 50010 states and 80250 transitions. [2018-07-21 06:16:32,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 06:16:32,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-07-21 06:16:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 06:16:32,436 INFO L225 Difference]: With dead ends: 50010 [2018-07-21 06:16:32,436 INFO L226 Difference]: Without dead ends: 37542 [2018-07-21 06:16:32,511 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-21 06:16:32,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37542 states. [2018-07-21 06:16:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37542 to 37271. [2018-07-21 06:16:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37271 states. [2018-07-21 06:16:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37271 states to 37271 states and 52035 transitions. [2018-07-21 06:16:33,559 INFO L78 Accepts]: Start accepts. Automaton has 37271 states and 52035 transitions. Word has length 120 [2018-07-21 06:16:33,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 06:16:33,560 INFO L471 AbstractCegarLoop]: Abstraction has 37271 states and 52035 transitions. [2018-07-21 06:16:33,561 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 06:16:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 37271 states and 52035 transitions. [2018-07-21 06:16:33,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-07-21 06:16:33,563 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 06:16:33,563 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:16:33,564 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 06:16:33,568 INFO L82 PathProgramCache]: Analyzing trace with hash 2084101492, now seen corresponding path program 1 times [2018-07-21 06:16:33,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 06:16:33,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:16:33,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 06:16:33,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 06:16:33,569 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 06:16:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 06:16:33,900 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 06:16:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 46 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 06:16:34,312 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 06:16:34,312 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 06:16:34,313 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-07-21 06:16:34,315 INFO L201 CegarAbsIntRunner]: [0], [1], [5230], [5234], [5240], [5244], [5246], [5251], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5390], [5392], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5723], [5731], [5739], [5743], [5748], [5750], [5751], [5755], [5766], [5770], [5774], [5778], [5782], [5786], [5790], [5794], [5798], [5802], [5806], [5810], [5821], [5832], [5843], [5847], [5851], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5901], [6826], [6833], [6834], [6835], [6839], [6840] [2018-07-21 06:16:34,397 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 06:16:34,398 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 06:16:46,538 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 06:16:46,539 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-21 06:16:46,545 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 06:16:55,929 INFO L232 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 75.3% of their original sizes. [2018-07-21 06:16:55,929 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 06:16:56,991 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 06:16:56,992 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 06:16:56,993 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-21 06:16:56,993 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 06:16:56,993 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 06:16:56,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 06:16:56,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 06:16:56,994 INFO L87 Difference]: Start difference. First operand 37271 states and 52035 transitions. Second operand 7 states. [2018-07-21 06:17:26,943 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-21 06:17:45,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 06:17:45,264 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 06:17:45,271 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 06:17:45,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 06:17:45 BoogieIcfgContainer [2018-07-21 06:17:45,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 06:17:45,272 INFO L168 Benchmark]: Toolchain (without parser) took 204226.53 ms. Allocated memory was 302.0 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 219.2 MB in the beginning and 1.0 GB in the end (delta: -823.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-07-21 06:17:45,273 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory is still 267.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 06:17:45,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4706.28 ms. Allocated memory was 302.0 MB in the beginning and 396.9 MB in the end (delta: 94.9 MB). Free memory was 219.2 MB in the beginning and 129.9 MB in the end (delta: 89.3 MB). Peak memory consumption was 219.9 MB. Max. memory is 5.3 GB. [2018-07-21 06:17:45,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 1756.33 ms. Allocated memory was 396.9 MB in the beginning and 672.1 MB in the end (delta: 275.3 MB). Free memory was 129.9 MB in the beginning and 522.1 MB in the end (delta: -392.2 MB). Peak memory consumption was 115.5 MB. Max. memory is 5.3 GB. [2018-07-21 06:17:45,275 INFO L168 Benchmark]: Boogie Preprocessor took 694.08 ms. Allocated memory is still 672.1 MB. Free memory was 522.1 MB in the beginning and 419.4 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 5.3 GB. [2018-07-21 06:17:45,275 INFO L168 Benchmark]: RCFGBuilder took 20811.91 ms. Allocated memory was 672.1 MB in the beginning and 971.0 MB in the end (delta: 298.8 MB). Free memory was 419.4 MB in the beginning and 426.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 377.0 MB. Max. memory is 5.3 GB. [2018-07-21 06:17:45,276 INFO L168 Benchmark]: TraceAbstraction took 176244.20 ms. Allocated memory was 971.0 MB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 426.4 MB in the beginning and 1.0 GB in the end (delta: -616.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 5.3 GB. [2018-07-21 06:17:45,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory is still 267.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 4706.28 ms. Allocated memory was 302.0 MB in the beginning and 396.9 MB in the end (delta: 94.9 MB). Free memory was 219.2 MB in the beginning and 129.9 MB in the end (delta: 89.3 MB). Peak memory consumption was 219.9 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 1756.33 ms. Allocated memory was 396.9 MB in the beginning and 672.1 MB in the end (delta: 275.3 MB). Free memory was 129.9 MB in the beginning and 522.1 MB in the end (delta: -392.2 MB). Peak memory consumption was 115.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 694.08 ms. Allocated memory is still 672.1 MB. Free memory was 522.1 MB in the beginning and 419.4 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 5.3 GB. * RCFGBuilder took 20811.91 ms. Allocated memory was 672.1 MB in the beginning and 971.0 MB in the end (delta: 298.8 MB). Free memory was 419.4 MB in the beginning and 426.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 377.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 176244.20 ms. Allocated memory was 971.0 MB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 426.4 MB in the beginning and 1.0 GB in the end (delta: -616.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 85). Cancelled while BasicCegarLoop was constructing difference of abstraction (37271states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (1346 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 176.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 148.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2211 SDtfs, 23578 SDslu, 3243 SDs, 0 SdLazy, 38346 SolverSat, 8847 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 125.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 236 GetRequests, 207 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37271occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.995353846153846 AbsIntWeakeningRatio, 0.14 AbsIntAvgWeakeningVarsNumRemoved, 50.14 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 686 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 551 ConstructedInterpolants, 0 QuantifiedInterpolants, 258704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 120/185 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/Problem19_label28_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_06-17-45-300.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label28_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_06-17-45-300.csv Completed graceful shutdown