java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 04:43:20,339 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 04:43:20,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 04:43:20,363 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 04:43:20,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 04:43:20,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 04:43:20,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 04:43:20,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 04:43:20,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 04:43:20,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 04:43:20,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 04:43:20,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 04:43:20,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 04:43:20,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 04:43:20,379 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 04:43:20,390 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 04:43:20,391 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 04:43:20,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 04:43:20,395 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 04:43:20,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 04:43:20,397 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 04:43:20,399 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 04:43:20,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 04:43:20,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 04:43:20,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 04:43:20,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 04:43:20,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 04:43:20,425 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 04:43:20,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 04:43:20,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 04:43:20,453 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 04:43:20,453 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 04:43:20,453 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 04:43:20,453 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 04:43:20,453 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 04:43:20,454 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 04:43:20,455 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 04:43:20,455 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 04:43:20,455 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 04:43:20,455 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 04:43:20,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 04:43:20,456 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 04:43:20,456 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 04:43:20,457 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 04:43:20,457 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 04:43:20,457 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 04:43:20,458 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 04:43:20,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 04:43:20,459 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 04:43:20,459 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 04:43:20,459 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 04:43:20,459 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 04:43:20,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 04:43:20,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 04:43:20,460 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 04:43:20,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 04:43:20,460 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 04:43:20,460 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 04:43:20,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 04:43:20,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 04:43:20,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 04:43:20,461 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 04:43:20,461 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 04:43:20,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 04:43:20,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 04:43:20,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 04:43:20,537 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 04:43:20,538 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 04:43:20,539 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-07-21 04:43:21,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/74721019d/17c6647be0874a1087382f04f815bb58/FLAG4243f0385 [2018-07-21 04:43:21,594 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 04:43:21,594 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-07-21 04:43:21,700 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/74721019d/17c6647be0874a1087382f04f815bb58/FLAG4243f0385 [2018-07-21 04:43:21,903 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/74721019d/17c6647be0874a1087382f04f815bb58 [2018-07-21 04:43:21,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 04:43:21,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 04:43:21,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 04:43:21,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 04:43:21,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 04:43:21,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:43:21" (1/1) ... [2018-07-21 04:43:21,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758228a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:21, skipping insertion in model container [2018-07-21 04:43:21,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:43:21" (1/1) ... [2018-07-21 04:43:22,241 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 04:43:22,951 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:43:23,033 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 04:43:23,429 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 04:43:23,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23 WrapperNode [2018-07-21 04:43:23,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 04:43:23,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 04:43:23,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 04:43:23,592 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 04:43:23,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:23,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:23,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 04:43:23,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 04:43:23,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 04:43:23,938 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 04:43:23,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:23,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:23,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:23,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:24,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:24,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:24,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... [2018-07-21 04:43:24,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 04:43:24,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 04:43:24,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 04:43:24,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 04:43:24,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 04:43:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 04:43:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 04:43:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 04:43:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 04:43:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:43:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-21 04:43:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 04:43:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 04:43:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:43:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-21 04:43:31,839 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 04:43:31,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:43:31 BoogieIcfgContainer [2018-07-21 04:43:31,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 04:43:31,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 04:43:31,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 04:43:31,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 04:43:31,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:43:21" (1/3) ... [2018-07-21 04:43:31,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bf53b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:43:31, skipping insertion in model container [2018-07-21 04:43:31,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:43:23" (2/3) ... [2018-07-21 04:43:31,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bf53b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:43:31, skipping insertion in model container [2018-07-21 04:43:31,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:43:31" (3/3) ... [2018-07-21 04:43:31,849 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label18_false-unreach-call.c [2018-07-21 04:43:31,857 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 04:43:31,866 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 04:43:31,923 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 04:43:31,924 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 04:43:31,925 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 04:43:31,925 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 04:43:31,925 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 04:43:31,925 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 04:43:31,925 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 04:43:31,925 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 04:43:31,925 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 04:43:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-07-21 04:43:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-21 04:43:31,975 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:43:31,976 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:43:31,976 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:43:31,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1291174588, now seen corresponding path program 1 times [2018-07-21 04:43:31,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:43:32,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:32,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:43:32,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:32,031 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:43:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:43:32,369 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:43:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:43:32,483 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:43:32,484 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 04:43:32,484 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:43:32,488 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 04:43:32,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 04:43:32,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 04:43:32,506 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-07-21 04:43:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:43:34,891 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-07-21 04:43:34,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 04:43:34,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-07-21 04:43:34,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:43:34,951 INFO L225 Difference]: With dead ends: 1156 [2018-07-21 04:43:34,951 INFO L226 Difference]: Without dead ends: 744 [2018-07-21 04:43:34,965 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 04:43:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-07-21 04:43:35,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-07-21 04:43:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-07-21 04:43:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1317 transitions. [2018-07-21 04:43:35,104 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1317 transitions. Word has length 14 [2018-07-21 04:43:35,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:43:35,105 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1317 transitions. [2018-07-21 04:43:35,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 04:43:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1317 transitions. [2018-07-21 04:43:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-21 04:43:35,113 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:43:35,113 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:43:35,113 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:43:35,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1962431738, now seen corresponding path program 1 times [2018-07-21 04:43:35,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:43:35,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:35,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:43:35,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:35,116 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:43:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:43:35,545 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:43:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:43:35,878 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:43:35,878 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:43:35,878 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:43:35,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:43:35,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:43:35,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:43:35,883 INFO L87 Difference]: Start difference. First operand 744 states and 1317 transitions. Second operand 6 states. [2018-07-21 04:43:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:43:46,701 INFO L93 Difference]: Finished difference Result 2840 states and 5175 transitions. [2018-07-21 04:43:46,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:43:46,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-07-21 04:43:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:43:46,724 INFO L225 Difference]: With dead ends: 2840 [2018-07-21 04:43:46,725 INFO L226 Difference]: Without dead ends: 2102 [2018-07-21 04:43:46,774 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:43:46,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2018-07-21 04:43:46,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2081. [2018-07-21 04:43:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-07-21 04:43:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3312 transitions. [2018-07-21 04:43:46,905 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3312 transitions. Word has length 90 [2018-07-21 04:43:46,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:43:46,906 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 3312 transitions. [2018-07-21 04:43:46,906 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:43:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3312 transitions. [2018-07-21 04:43:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-21 04:43:46,910 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:43:46,911 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:43:46,911 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:43:46,911 INFO L82 PathProgramCache]: Analyzing trace with hash 366741978, now seen corresponding path program 1 times [2018-07-21 04:43:46,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:43:46,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:46,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:43:46,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:46,915 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:43:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:43:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:43:47,188 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:43:47,188 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:43:47,188 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:43:47,192 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:43:47,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:43:47,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:43:47,193 INFO L87 Difference]: Start difference. First operand 2081 states and 3312 transitions. Second operand 6 states. [2018-07-21 04:43:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:43:51,249 INFO L93 Difference]: Finished difference Result 4872 states and 7867 transitions. [2018-07-21 04:43:51,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:43:51,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-07-21 04:43:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:43:51,273 INFO L225 Difference]: With dead ends: 4872 [2018-07-21 04:43:51,273 INFO L226 Difference]: Without dead ends: 2797 [2018-07-21 04:43:51,285 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:43:51,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2018-07-21 04:43:51,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2772. [2018-07-21 04:43:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2018-07-21 04:43:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4108 transitions. [2018-07-21 04:43:51,410 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4108 transitions. Word has length 96 [2018-07-21 04:43:51,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:43:51,411 INFO L471 AbstractCegarLoop]: Abstraction has 2772 states and 4108 transitions. [2018-07-21 04:43:51,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:43:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4108 transitions. [2018-07-21 04:43:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-21 04:43:51,416 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:43:51,420 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:43:51,420 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:43:51,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1613118585, now seen corresponding path program 1 times [2018-07-21 04:43:51,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:43:51,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:51,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:43:51,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:51,422 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:43:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:43:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:43:51,672 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:43:51,672 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:43:51,672 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:43:51,673 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:43:51,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:43:51,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:43:51,673 INFO L87 Difference]: Start difference. First operand 2772 states and 4108 transitions. Second operand 6 states. [2018-07-21 04:43:54,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:43:54,243 INFO L93 Difference]: Finished difference Result 7301 states and 11345 transitions. [2018-07-21 04:43:54,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:43:54,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-07-21 04:43:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:43:54,276 INFO L225 Difference]: With dead ends: 7301 [2018-07-21 04:43:54,277 INFO L226 Difference]: Without dead ends: 4535 [2018-07-21 04:43:54,290 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:43:54,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2018-07-21 04:43:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4515. [2018-07-21 04:43:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4515 states. [2018-07-21 04:43:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 4515 states and 6567 transitions. [2018-07-21 04:43:54,484 INFO L78 Accepts]: Start accepts. Automaton has 4515 states and 6567 transitions. Word has length 99 [2018-07-21 04:43:54,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:43:54,485 INFO L471 AbstractCegarLoop]: Abstraction has 4515 states and 6567 transitions. [2018-07-21 04:43:54,485 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:43:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4515 states and 6567 transitions. [2018-07-21 04:43:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-21 04:43:54,492 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:43:54,493 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:43:54,493 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:43:54,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1049374446, now seen corresponding path program 1 times [2018-07-21 04:43:54,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:43:54,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:54,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:43:54,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:43:54,495 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:43:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:43:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:43:54,985 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:43:54,986 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:43:54,986 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:43:54,986 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:43:54,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:43:54,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:43:54,987 INFO L87 Difference]: Start difference. First operand 4515 states and 6567 transitions. Second operand 6 states. [2018-07-21 04:44:03,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:44:03,566 INFO L93 Difference]: Finished difference Result 16327 states and 25936 transitions. [2018-07-21 04:44:03,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 04:44:03,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-07-21 04:44:03,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:44:03,668 INFO L225 Difference]: With dead ends: 16327 [2018-07-21 04:44:03,668 INFO L226 Difference]: Without dead ends: 11818 [2018-07-21 04:44:03,744 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-21 04:44:03,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11818 states. [2018-07-21 04:44:04,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11818 to 11649. [2018-07-21 04:44:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11649 states. [2018-07-21 04:44:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11649 states to 11649 states and 16486 transitions. [2018-07-21 04:44:04,246 INFO L78 Accepts]: Start accepts. Automaton has 11649 states and 16486 transitions. Word has length 100 [2018-07-21 04:44:04,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:44:04,247 INFO L471 AbstractCegarLoop]: Abstraction has 11649 states and 16486 transitions. [2018-07-21 04:44:04,247 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:44:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 11649 states and 16486 transitions. [2018-07-21 04:44:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-21 04:44:04,255 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:44:04,255 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-21 04:44:04,256 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:44:04,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1814610450, now seen corresponding path program 1 times [2018-07-21 04:44:04,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:44:04,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:44:04,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:44:04,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:44:04,257 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:44:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:44:04,736 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:44:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 04:44:05,167 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 04:44:05,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-21 04:44:05,167 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:44:05,168 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-21 04:44:05,168 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-21 04:44:05,168 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-21 04:44:05,169 INFO L87 Difference]: Start difference. First operand 11649 states and 16486 transitions. Second operand 6 states. [2018-07-21 04:44:09,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:44:09,565 INFO L93 Difference]: Finished difference Result 31009 states and 45665 transitions. [2018-07-21 04:44:09,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 04:44:09,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 198 [2018-07-21 04:44:09,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:44:09,697 INFO L225 Difference]: With dead ends: 31009 [2018-07-21 04:44:09,697 INFO L226 Difference]: Without dead ends: 19366 [2018-07-21 04:44:09,764 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 04:44:09,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19366 states. [2018-07-21 04:44:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19366 to 19019. [2018-07-21 04:44:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19019 states. [2018-07-21 04:44:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19019 states to 19019 states and 26420 transitions. [2018-07-21 04:44:10,499 INFO L78 Accepts]: Start accepts. Automaton has 19019 states and 26420 transitions. Word has length 198 [2018-07-21 04:44:10,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:44:10,500 INFO L471 AbstractCegarLoop]: Abstraction has 19019 states and 26420 transitions. [2018-07-21 04:44:10,500 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-21 04:44:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 19019 states and 26420 transitions. [2018-07-21 04:44:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-21 04:44:10,508 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:44:10,509 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:44:10,509 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:44:10,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1890913688, now seen corresponding path program 1 times [2018-07-21 04:44:10,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:44:10,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:44:10,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:44:10,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:44:10,511 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:44:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:44:10,823 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:44:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 79 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 04:44:11,238 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:44:11,238 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:44:11,248 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-07-21 04:44:11,251 INFO L201 CegarAbsIntRunner]: [0], [1], [183], [187], [193], [197], [199], [204], [211], [215], [217], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [676], [684], [692], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [752], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [880], [1576], [1577], [1578], [1579], [1581], [1582] [2018-07-21 04:44:11,341 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:44:11,341 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 04:44:19,025 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 04:44:23,989 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 04:44:23,991 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 04:44:24,042 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 04:44:34,579 INFO L232 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 77.28% of their original sizes. [2018-07-21 04:44:34,580 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 04:44:35,415 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 04:44:35,416 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 04:44:35,416 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-07-21 04:44:35,417 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 04:44:35,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-21 04:44:35,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-21 04:44:35,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-21 04:44:35,417 INFO L87 Difference]: Start difference. First operand 19019 states and 26420 transitions. Second operand 8 states. [2018-07-21 04:46:45,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 04:46:45,411 INFO L93 Difference]: Finished difference Result 38372 states and 53263 transitions. [2018-07-21 04:46:45,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 04:46:45,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2018-07-21 04:46:45,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 04:46:45,496 INFO L225 Difference]: With dead ends: 38372 [2018-07-21 04:46:45,496 INFO L226 Difference]: Without dead ends: 19359 [2018-07-21 04:46:45,569 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 215 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-21 04:46:45,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19359 states. [2018-07-21 04:46:46,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19359 to 19357. [2018-07-21 04:46:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19357 states. [2018-07-21 04:46:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19357 states to 19357 states and 26767 transitions. [2018-07-21 04:46:46,127 INFO L78 Accepts]: Start accepts. Automaton has 19357 states and 26767 transitions. Word has length 214 [2018-07-21 04:46:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 04:46:46,127 INFO L471 AbstractCegarLoop]: Abstraction has 19357 states and 26767 transitions. [2018-07-21 04:46:46,127 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-21 04:46:46,127 INFO L276 IsEmpty]: Start isEmpty. Operand 19357 states and 26767 transitions. [2018-07-21 04:46:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-21 04:46:46,135 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 04:46:46,135 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 04:46:46,136 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 04:46:46,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1560382218, now seen corresponding path program 1 times [2018-07-21 04:46:46,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 04:46:46,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:46:46,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:46:46,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 04:46:46,137 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 04:46:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:46:46,494 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 04:46:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 27 proven. 242 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-07-21 04:46:46,997 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:46:46,997 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 04:46:46,997 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 307 with the following transitions: [2018-07-21 04:46:46,998 INFO L201 CegarAbsIntRunner]: [0], [1], [183], [187], [193], [197], [199], [204], [211], [215], [217], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [676], [684], [692], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [752], [753], [757], [761], [765], [769], [773], [777], [781], [784], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [880], [1576], [1577], [1578], [1579], [1581], [1582] [2018-07-21 04:46:47,006 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 04:46:47,006 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-21 04:46:48,426 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 04:46:48,443 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 04:46:48,455 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 04:46:48,455 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 04:46:48,455 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 04:46:48,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 04:46:48,479 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 04:46:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 04:46:48,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 04:46:48,882 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 04:46:49,083 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 04:46:49,084 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 04:46:49,141 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 04:46:49,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:46:49 BoogieIcfgContainer [2018-07-21 04:46:49,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 04:46:49,153 INFO L168 Benchmark]: Toolchain (without parser) took 207241.02 ms. Allocated memory was 309.9 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 252.6 MB in the beginning and 878.9 MB in the end (delta: -626.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-07-21 04:46:49,154 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 04:46:49,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1648.72 ms. Allocated memory is still 309.9 MB. Free memory was 252.6 MB in the beginning and 244.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 76.2 MB. Max. memory is 5.3 GB. [2018-07-21 04:46:49,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 345.67 ms. Allocated memory is still 309.9 MB. Free memory was 244.1 MB in the beginning and 221.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. [2018-07-21 04:46:49,156 INFO L168 Benchmark]: Boogie Preprocessor took 607.72 ms. Allocated memory was 309.9 MB in the beginning and 446.7 MB in the end (delta: 136.8 MB). Free memory was 221.0 MB in the beginning and 398.8 MB in the end (delta: -177.8 MB). Peak memory consumption was 34.3 MB. Max. memory is 5.3 GB. [2018-07-21 04:46:49,157 INFO L168 Benchmark]: RCFGBuilder took 7294.53 ms. Allocated memory was 446.7 MB in the beginning and 507.0 MB in the end (delta: 60.3 MB). Free memory was 398.8 MB in the beginning and 413.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 140.8 MB. Max. memory is 5.3 GB. [2018-07-21 04:46:49,158 INFO L168 Benchmark]: TraceAbstraction took 197300.76 ms. Allocated memory was 507.0 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 413.9 MB in the beginning and 878.9 MB in the end (delta: -465.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-07-21 04:46:49,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1648.72 ms. Allocated memory is still 309.9 MB. Free memory was 252.6 MB in the beginning and 244.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 76.2 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 345.67 ms. Allocated memory is still 309.9 MB. Free memory was 244.1 MB in the beginning and 221.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 607.72 ms. Allocated memory was 309.9 MB in the beginning and 446.7 MB in the end (delta: 136.8 MB). Free memory was 221.0 MB in the beginning and 398.8 MB in the end (delta: -177.8 MB). Peak memory consumption was 34.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 7294.53 ms. Allocated memory was 446.7 MB in the beginning and 507.0 MB in the end (delta: 60.3 MB). Free memory was 398.8 MB in the beginning and 413.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 140.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 197300.76 ms. Allocated memory was 507.0 MB in the beginning and 2.6 GB in the end (delta: 2.1 GB). Free memory was 413.9 MB in the beginning and 878.9 MB in the end (delta: -465.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 28]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 28). Cancelled while BasicCegarLoop was analyzing trace of length 307 with TraceHistMax 4, 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, 410 locations, 1 error locations. TIMEOUT Result, 197.2s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 163.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1039 SDtfs, 9659 SDslu, 945 SDs, 0 SdLazy, 14735 SolverSat, 4144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 129.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 272 GetRequests, 221 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19357occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 14.2s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9952626386337349 AbsIntWeakeningRatio, 0.12206572769953052 AbsIntAvgWeakeningVarsNumRemoved, 43.48356807511737 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 584 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 699827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 54/133 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem16_label18_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_04-46-49-190.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem16_label18_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_04-46-49-190.csv Completed graceful shutdown