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/Problem15_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:42:24,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:42:24,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:42:24,060 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:42:24,060 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:42:24,061 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:42:24,063 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:42:24,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:42:24,066 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:42:24,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:42:24,068 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:42:24,068 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:42:24,069 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:42:24,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:42:24,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:42:24,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:42:24,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:42:24,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:42:24,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:42:24,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:42:24,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:42:24,095 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:42:24,097 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 22:42:24,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:42:24,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:42:24,108 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:42:24,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:42:24,111 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 22:42:24,134 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:42:24,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:42:24,136 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:42:24,136 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:42:24,136 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:42:24,136 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:42:24,136 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:42:24,137 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:42:24,137 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:42:24,137 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:42:24,137 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:42:24,138 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:42:24,138 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:42:24,138 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:42:24,139 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:42:24,139 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:42:24,139 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:42:24,139 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:42:24,139 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:42:24,140 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:42:24,140 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:42:24,140 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:42:24,140 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:42:24,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:42:24,141 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:42:24,141 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:42:24,141 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:42:24,141 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:42:24,141 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:42:24,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:42:24,142 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:42:24,142 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:42:24,142 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:42:24,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:42:24,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:42:24,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:42:24,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:42:24,222 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:42:24,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label46_true-unreach-call.c [2018-07-23 22:42:24,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca7655a6/697d5162415d42409ece44dd3b852f72/FLAG5c1e1b6e5 [2018-07-23 22:42:24,911 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:42:24,915 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label46_true-unreach-call.c [2018-07-23 22:42:24,948 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca7655a6/697d5162415d42409ece44dd3b852f72/FLAG5c1e1b6e5 [2018-07-23 22:42:24,970 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca7655a6/697d5162415d42409ece44dd3b852f72 [2018-07-23 22:42:24,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:42:24,984 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:42:24,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:42:24,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:42:24,993 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:42:24,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:42:24" (1/1) ... [2018-07-23 22:42:24,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9674d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:24, skipping insertion in model container [2018-07-23 22:42:24,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:42:24" (1/1) ... [2018-07-23 22:42:25,286 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:42:25,891 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:42:25,913 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:42:26,440 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:42:26,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26 WrapperNode [2018-07-23 22:42:26,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:42:26,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:42:26,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:42:26,615 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:42:26,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:26,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:26,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:42:26,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:42:26,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:42:26,888 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:42:27,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:27,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:27,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:27,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:27,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:27,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:27,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (1/1) ... [2018-07-23 22:42:27,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:42:27,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:42:27,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:42:27,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:42:27,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (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 22:42:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:42:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:42:27,649 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 22:42:27,649 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 22:42:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:42:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:42:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:42:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:42:27,650 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 22:42:27,650 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 22:42:34,770 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:42:34,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:42:34 BoogieIcfgContainer [2018-07-23 22:42:34,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:42:34,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:42:34,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:42:34,776 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:42:34,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:42:24" (1/3) ... [2018-07-23 22:42:34,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e0d7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:42:34, skipping insertion in model container [2018-07-23 22:42:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:42:26" (2/3) ... [2018-07-23 22:42:34,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e0d7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:42:34, skipping insertion in model container [2018-07-23 22:42:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:42:34" (3/3) ... [2018-07-23 22:42:34,780 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label46_true-unreach-call.c [2018-07-23 22:42:34,788 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:42:34,798 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:42:34,857 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:42:34,857 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:42:34,858 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:42:34,858 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:42:34,858 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:42:34,858 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:42:34,858 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:42:34,858 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:42:34,858 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:42:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-23 22:42:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 22:42:34,901 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:42:34,903 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, 1, 1, 1, 1, 1, 1] [2018-07-23 22:42:34,903 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 22:42:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash -118657132, now seen corresponding path program 1 times [2018-07-23 22:42:34,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:42:34,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:34,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:42:34,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:34,961 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:42:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:42:35,453 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-23 22:42:35,482 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 22:42:35,485 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:42:35,485 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:42:35,485 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:42:35,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:42:35,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:42:35,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:35,513 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-23 22:42:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:42:43,279 INFO L93 Difference]: Finished difference Result 1501 states and 2761 transitions. [2018-07-23 22:42:43,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:42:43,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-07-23 22:42:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:42:43,308 INFO L225 Difference]: With dead ends: 1501 [2018-07-23 22:42:43,309 INFO L226 Difference]: Without dead ends: 1057 [2018-07-23 22:42:43,318 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:43,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2018-07-23 22:42:43,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 744. [2018-07-23 22:42:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-07-23 22:42:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1125 transitions. [2018-07-23 22:42:43,417 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1125 transitions. Word has length 50 [2018-07-23 22:42:43,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:42:43,418 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1125 transitions. [2018-07-23 22:42:43,418 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:42:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1125 transitions. [2018-07-23 22:42:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 22:42:43,425 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:42:43,425 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, 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] [2018-07-23 22:42:43,426 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 22:42:43,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1214638497, now seen corresponding path program 1 times [2018-07-23 22:42:43,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:42:43,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:43,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:42:43,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:43,428 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:42:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:42:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:42:43,725 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:42:43,726 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:42:43,726 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:42:43,730 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:42:43,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:42:43,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:43,731 INFO L87 Difference]: Start difference. First operand 744 states and 1125 transitions. Second operand 4 states. [2018-07-23 22:42:50,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:42:50,208 INFO L93 Difference]: Finished difference Result 2732 states and 4244 transitions. [2018-07-23 22:42:50,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:42:50,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2018-07-23 22:42:50,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:42:50,227 INFO L225 Difference]: With dead ends: 2732 [2018-07-23 22:42:50,228 INFO L226 Difference]: Without dead ends: 1994 [2018-07-23 22:42:50,234 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:42:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2018-07-23 22:42:50,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1682. [2018-07-23 22:42:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-07-23 22:42:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2410 transitions. [2018-07-23 22:42:50,327 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2410 transitions. Word has length 120 [2018-07-23 22:42:50,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:42:50,327 INFO L471 AbstractCegarLoop]: Abstraction has 1682 states and 2410 transitions. [2018-07-23 22:42:50,328 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:42:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2410 transitions. [2018-07-23 22:42:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 22:42:50,348 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:42:50,349 INFO L353 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:50,349 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 22:42:50,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1153619232, now seen corresponding path program 1 times [2018-07-23 22:42:50,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:42:50,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:50,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:42:50,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:42:50,355 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:42:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:42:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 89 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 22:42:50,849 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:42:50,849 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:42:50,850 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 271 with the following transitions: [2018-07-23 22:42:50,852 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], [257], [265], [273], [281], [289], [297], [301], [303], [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], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [619], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [744], [747], [751], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:42:50,920 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:42:50,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:42:55,985 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:43:20,185 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:43:20,187 INFO L272 AbstractInterpreter]: Visited 130 different actions 501 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:43:20,209 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:43:23,936 INFO L232 lantSequenceWeakener]: Weakened 266 states. On average, predicates are now at 77.94% of their original sizes. [2018-07-23 22:43:23,937 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:43:26,414 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:43:26,415 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:43:26,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-07-23 22:43:26,415 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:43:26,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 22:43:26,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 22:43:26,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-23 22:43:26,417 INFO L87 Difference]: Start difference. First operand 1682 states and 2410 transitions. Second operand 13 states. [2018-07-23 22:45:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:45:25,985 INFO L93 Difference]: Finished difference Result 4381 states and 6028 transitions. [2018-07-23 22:45:25,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 22:45:25,985 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 270 [2018-07-23 22:45:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:45:26,001 INFO L225 Difference]: With dead ends: 4381 [2018-07-23 22:45:26,001 INFO L226 Difference]: Without dead ends: 2705 [2018-07-23 22:45:26,010 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 282 GetRequests, 228 SyntacticMatches, 30 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-07-23 22:45:26,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2018-07-23 22:45:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2613. [2018-07-23 22:45:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2613 states. [2018-07-23 22:45:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3380 transitions. [2018-07-23 22:45:26,090 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3380 transitions. Word has length 270 [2018-07-23 22:45:26,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:45:26,091 INFO L471 AbstractCegarLoop]: Abstraction has 2613 states and 3380 transitions. [2018-07-23 22:45:26,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 22:45:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3380 transitions. [2018-07-23 22:45:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-07-23 22:45:26,100 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:45:26,100 INFO L353 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:26,101 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 22:45:26,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2064207746, now seen corresponding path program 1 times [2018-07-23 22:45:26,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:45:26,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:26,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:45:26,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:26,103 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:45:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:45:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:45:26,811 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:45:26,811 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:45:26,811 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 412 with the following transitions: [2018-07-23 22:45:26,812 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], [257], [265], [273], [281], [289], [297], [301], [303], [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], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [572], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1307], [1311], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1380], [1384], [1388], [1399], [1403], [1414], [1418], [1422], [1426], [1430], [1434], [1438], [1442], [1446], [1450], [1454], [1458], [1462], [1466], [1470], [1474], [1478], [1482], [1486], [1489], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:45:26,825 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:45:26,825 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:45:48,247 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:45:50,480 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 22:45:50,481 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 22:45:50,482 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 22:45:50,482 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:45:50,482 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:45:50,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:45:50,493 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 22:45:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:45:50,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 22:45:50,745 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 22:45:50,946 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:45:50,946 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:45:50,950 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:45:50,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:45:50 BoogieIcfgContainer [2018-07-23 22:45:50,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:45:50,952 INFO L168 Benchmark]: Toolchain (without parser) took 205968.60 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -447.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-23 22:45:50,953 INFO L168 Benchmark]: CDTParser took 0.24 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 22:45:50,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1628.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-07-23 22:45:50,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 273.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-07-23 22:45:50,956 INFO L168 Benchmark]: Boogie Preprocessor took 686.10 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 845.7 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2018-07-23 22:45:50,957 INFO L168 Benchmark]: RCFGBuilder took 7196.84 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 316.0 MB). Peak memory consumption was 316.0 MB. Max. memory is 7.1 GB. [2018-07-23 22:45:50,958 INFO L168 Benchmark]: TraceAbstraction took 196178.77 ms. Allocated memory was 2.4 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 71.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-07-23 22:45:50,962 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1628.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 273.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 686.10 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 845.7 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7196.84 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 316.0 MB). Peak memory consumption was 316.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 196178.77 ms. Allocated memory was 2.4 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 71.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 136). Cancelled while BasicCegarLoop was analyzing trace of length 412 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 196.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 133.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1100 SDtfs, 3978 SDslu, 797 SDs, 0 SdLazy, 5826 SolverSat, 1410 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 80.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 293 GetRequests, 235 SyntacticMatches, 30 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2613occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 53.0s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9957774365605302 AbsIntWeakeningRatio, 0.10037174721189591 AbsIntAvgWeakeningVarsNumRemoved, 548.6059479553903 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 717 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 427983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 138/225 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/Problem15_label46_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-45-50-978.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label46_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-45-50-978.csv Completed graceful shutdown