java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:17:41,040 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:17:41,043 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:17:41,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:17:41,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:17:41,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:17:41,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:17:41,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:17:41,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:17:41,073 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:17:41,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:17:41,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:17:41,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:17:41,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:17:41,084 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:17:41,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:17:41,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:17:41,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:17:41,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:17:41,092 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:17:41,097 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:17:41,098 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:17:41,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 22:17:41,120 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:17:41,120 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:17:41,123 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:17:41,124 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:17:41,125 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 22:17:41,154 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:17:41,154 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:17:41,155 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:17:41,155 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:17:41,156 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:17:41,156 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:17:41,156 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:17:41,156 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:17:41,157 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:17:41,157 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:17:41,157 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:17:41,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:17:41,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:17:41,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:17:41,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:17:41,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:17:41,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:17:41,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:17:41,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:17:41,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:17:41,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:17:41,164 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:17:41,164 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:17:41,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:17:41,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:17:41,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:17:41,165 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:17:41,165 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:17:41,165 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:17:41,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:17:41,166 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:17:41,166 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:17:41,166 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:17:41,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:17:41,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:17:41,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:17:41,256 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:17:41,256 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:17:41,257 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label00_true-unreach-call.c [2018-07-23 22:17:41,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e49f6e06/6ddb04362b6d43fd9c1925d93b113682/FLAGd7cb2ac48 [2018-07-23 22:17:42,160 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:17:42,161 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label00_true-unreach-call.c [2018-07-23 22:17:42,206 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e49f6e06/6ddb04362b6d43fd9c1925d93b113682/FLAGd7cb2ac48 [2018-07-23 22:17:42,228 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e49f6e06/6ddb04362b6d43fd9c1925d93b113682 [2018-07-23 22:17:42,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:17:42,244 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:17:42,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:17:42,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:17:42,256 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:17:42,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:17:42" (1/1) ... [2018-07-23 22:17:42,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8b2370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:42, skipping insertion in model container [2018-07-23 22:17:42,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:17:42" (1/1) ... [2018-07-23 22:17:42,656 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:17:43,880 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:17:43,899 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:17:44,702 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:17:45,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45 WrapperNode [2018-07-23 22:17:45,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:17:45,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:17:45,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:17:45,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:17:45,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:45,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:45,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:17:45,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:17:45,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:17:45,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:17:46,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:46,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:46,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:46,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:46,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:46,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:46,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... [2018-07-23 22:17:46,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:17:46,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:17:46,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:17:46,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:17:46,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:17:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:17:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:17:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:17:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:17:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-23 22:17:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-23 22:17:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:17:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:17:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-23 22:17:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-23 22:17:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:17:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:17:46,927 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:17:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:17:59,027 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:17:59,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:17:59 BoogieIcfgContainer [2018-07-23 22:17:59,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:17:59,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:17:59,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:17:59,032 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:17:59,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:17:42" (1/3) ... [2018-07-23 22:17:59,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4494eed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:17:59, skipping insertion in model container [2018-07-23 22:17:59,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:17:45" (2/3) ... [2018-07-23 22:17:59,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4494eed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:17:59, skipping insertion in model container [2018-07-23 22:17:59,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:17:59" (3/3) ... [2018-07-23 22:17:59,036 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label00_true-unreach-call.c [2018-07-23 22:17:59,046 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:17:59,058 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:17:59,120 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:17:59,121 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:17:59,121 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:17:59,122 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:17:59,122 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:17:59,122 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:17:59,122 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:17:59,122 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:17:59,122 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:17:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-07-23 22:17:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 22:17:59,182 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:17:59,184 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:17:59,184 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:17:59,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1069182300, now seen corresponding path program 1 times [2018-07-23 22:17:59,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:17:59,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:17:59,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:17:59,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:17:59,245 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:17:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:17:59,704 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:17:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:17:59,720 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:17:59,721 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 22:17:59,721 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:17:59,727 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 22:17:59,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 22:17:59,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:17:59,744 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-07-23 22:18:08,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:18:08,642 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-07-23 22:18:08,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 22:18:08,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-07-23 22:18:08,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:18:08,687 INFO L225 Difference]: With dead ends: 3097 [2018-07-23 22:18:08,688 INFO L226 Difference]: Without dead ends: 1975 [2018-07-23 22:18:08,700 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:18:08,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-07-23 22:18:08,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-07-23 22:18:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-07-23 22:18:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-07-23 22:18:08,861 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 44 [2018-07-23 22:18:08,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:18:08,862 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-07-23 22:18:08,862 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 22:18:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-07-23 22:18:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 22:18:08,871 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:18:08,871 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:18:08,871 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:18:08,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1691534068, now seen corresponding path program 1 times [2018-07-23 22:18:08,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:18:08,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:18:08,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:18:08,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:18:08,873 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:18:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:18:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:18:09,199 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:18:09,200 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:18:09,200 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:18:09,202 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:18:09,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:18:09,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:18:09,203 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-07-23 22:18:31,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:18:31,163 INFO L93 Difference]: Finished difference Result 5736 states and 9691 transitions. [2018-07-23 22:18:31,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:18:31,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-07-23 22:18:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:18:31,203 INFO L225 Difference]: With dead ends: 5736 [2018-07-23 22:18:31,203 INFO L226 Difference]: Without dead ends: 3768 [2018-07-23 22:18:31,212 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:18:31,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-07-23 22:18:31,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3686. [2018-07-23 22:18:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2018-07-23 22:18:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5660 transitions. [2018-07-23 22:18:31,360 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5660 transitions. Word has length 120 [2018-07-23 22:18:31,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:18:31,360 INFO L471 AbstractCegarLoop]: Abstraction has 3686 states and 5660 transitions. [2018-07-23 22:18:31,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:18:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5660 transitions. [2018-07-23 22:18:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 22:18:31,374 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:18:31,375 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:18:31,375 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:18:31,376 INFO L82 PathProgramCache]: Analyzing trace with hash 642233136, now seen corresponding path program 1 times [2018-07-23 22:18:31,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:18:31,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:18:31,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:18:31,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:18:31,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:18:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:18:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:18:31,617 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:18:31,617 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:18:31,617 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:18:31,618 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:18:31,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:18:31,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:18:31,619 INFO L87 Difference]: Start difference. First operand 3686 states and 5660 transitions. Second operand 5 states. [2018-07-23 22:18:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:18:50,675 INFO L93 Difference]: Finished difference Result 12385 states and 19155 transitions. [2018-07-23 22:18:50,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:18:50,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-07-23 22:18:50,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:18:50,731 INFO L225 Difference]: With dead ends: 12385 [2018-07-23 22:18:50,732 INFO L226 Difference]: Without dead ends: 8705 [2018-07-23 22:18:50,754 INFO L573 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 [2018-07-23 22:18:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8705 states. [2018-07-23 22:18:50,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8705 to 8670. [2018-07-23 22:18:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8670 states. [2018-07-23 22:18:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8670 states to 8670 states and 12398 transitions. [2018-07-23 22:18:51,033 INFO L78 Accepts]: Start accepts. Automaton has 8670 states and 12398 transitions. Word has length 134 [2018-07-23 22:18:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:18:51,034 INFO L471 AbstractCegarLoop]: Abstraction has 8670 states and 12398 transitions. [2018-07-23 22:18:51,034 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:18:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 8670 states and 12398 transitions. [2018-07-23 22:18:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 22:18:51,040 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:18:51,040 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:18:51,041 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:18:51,042 INFO L82 PathProgramCache]: Analyzing trace with hash 96380732, now seen corresponding path program 1 times [2018-07-23 22:18:51,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:18:51,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:18:51,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:18:51,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:18:51,044 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:18:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:18:51,510 WARN L169 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2018-07-23 22:18:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:18:51,633 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:18:51,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:18:51,633 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:18:51,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:18:51,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:18:51,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:18:51,635 INFO L87 Difference]: Start difference. First operand 8670 states and 12398 transitions. Second operand 6 states. [2018-07-23 22:19:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:19:21,420 INFO L93 Difference]: Finished difference Result 26605 states and 38562 transitions. [2018-07-23 22:19:21,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 22:19:21,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-07-23 22:19:21,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:19:21,502 INFO L225 Difference]: With dead ends: 26605 [2018-07-23 22:19:21,503 INFO L226 Difference]: Without dead ends: 17941 [2018-07-23 22:19:21,533 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-07-23 22:19:21,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17941 states. [2018-07-23 22:19:21,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17941 to 17682. [2018-07-23 22:19:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17682 states. [2018-07-23 22:19:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17682 states to 17682 states and 25103 transitions. [2018-07-23 22:19:21,933 INFO L78 Accepts]: Start accepts. Automaton has 17682 states and 25103 transitions. Word has length 160 [2018-07-23 22:19:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:19:21,933 INFO L471 AbstractCegarLoop]: Abstraction has 17682 states and 25103 transitions. [2018-07-23 22:19:21,934 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:19:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 17682 states and 25103 transitions. [2018-07-23 22:19:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 22:19:21,937 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:19:21,938 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:19:21,938 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:19:21,938 INFO L82 PathProgramCache]: Analyzing trace with hash -843772423, now seen corresponding path program 1 times [2018-07-23 22:19:21,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:19:21,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:19:21,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:19:21,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:19:21,940 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:19:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:19:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:19:22,201 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:19:22,201 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:19:22,202 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-07-23 22:19:22,205 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [522], [526], [530], [534], [538], [542], [553], [557], [561], [565], [569], [573], [577], [581], [592], [596], [600], [604], [608], [612], [616], [620], [624], [628], [632], [636], [640], [644], [648], [652], [656], [660], [664], [668], [679], [683], [687], [691], [695], [699], [703], [707], [718], [729], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [783], [1612], [3064], [3068], [3074], [3078], [3080], [4267], [4268], [4269], [4271], [4272] [2018-07-23 22:19:22,277 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:19:22,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:20:02,643 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:20:02,645 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-07-23 22:20:02,683 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:20:15,615 INFO L232 lantSequenceWeakener]: Weakened 172 states. On average, predicates are now at 71.45% of their original sizes. [2018-07-23 22:20:15,616 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:20:18,821 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:20:18,822 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:20:18,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-07-23 22:20:18,823 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:20:18,824 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 22:20:18,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 22:20:18,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-07-23 22:20:18,825 INFO L87 Difference]: Start difference. First operand 17682 states and 25103 transitions. Second operand 12 states. Received shutdown request... [2018-07-23 22:21:40,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 22:21:40,412 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:21:40,417 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:21:40,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:21:40 BoogieIcfgContainer [2018-07-23 22:21:40,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:21:40,419 INFO L168 Benchmark]: Toolchain (without parser) took 238176.34 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 852.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:21:40,420 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 22:21:40,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2775.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-07-23 22:21:40,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 400.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:21:40,422 INFO L168 Benchmark]: Boogie Preprocessor took 1421.30 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:21:40,424 INFO L168 Benchmark]: RCFGBuilder took 12181.94 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 166.2 MB). Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 66.6 MB). Peak memory consumption was 755.6 MB. Max. memory is 7.1 GB. [2018-07-23 22:21:40,425 INFO L168 Benchmark]: TraceAbstraction took 221389.51 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 550.5 MB. Max. memory is 7.1 GB. [2018-07-23 22:21:40,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2775.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 400.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1421.30 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12181.94 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 166.2 MB). Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 66.6 MB). Peak memory consumption was 755.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221389.51 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 550.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 123]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 123). Cancelled while BasicCegarLoop was constructing difference of abstraction (17682states) and interpolant automaton (currently 14 states, 12 states before enhancement), while ReachableStatesComputation was computing reachable states (931 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 221.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 161.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1866 SDtfs, 12671 SDslu, 2241 SDs, 0 SdLazy, 27076 SolverSat, 4365 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 130.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 215 GetRequests, 141 SyntacticMatches, 35 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17682occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 40.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9948510449088482 AbsIntWeakeningRatio, 0.12138728323699421 AbsIntAvgWeakeningVarsNumRemoved, 28.716763005780347 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 377 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 632 NumberOfCodeBlocks, 632 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 627 ConstructedInterpolants, 0 QuantifiedInterpolants, 401471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 115/148 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label00_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-21-40-455.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label00_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-21-40-455.csv Completed graceful shutdown