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/Problem01_label47_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:22:57,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:22:57,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:22:57,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:22:57,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:22:57,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:22:57,779 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:22:57,781 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:22:57,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:22:57,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:22:57,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:22:57,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:22:57,793 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:22:57,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:22:57,797 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:22:57,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:22:57,798 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:22:57,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:22:57,802 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:22:57,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:22:57,805 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:22:57,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:22:57,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 18:22:57,821 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 18:22:57,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:22:57,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:22:57,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:22:57,839 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:22:57,839 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:22:57,839 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:22:57,840 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:22:57,840 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:22:57,840 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:22:57,840 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:22:57,840 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:22:57,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:22:57,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:22:57,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:22:57,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:22:57,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:22:57,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:22:57,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:22:57,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:22:57,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:22:57,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:22:57,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:22:57,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:22:57,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:22:57,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:22:57,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:22:57,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:22:57,845 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:22:57,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:22:57,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:22:57,845 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:22:57,846 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:22:57,846 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:22:57,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:22:57,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:22:57,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:22:57,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:22:57,932 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:22:57,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label47_false-unreach-call_false-termination.c [2018-07-23 18:22:58,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01269ae89/3d5757618b3544139cb6aa1dc2babea6/FLAG9f4482147 [2018-07-23 18:22:58,600 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:22:58,601 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label47_false-unreach-call_false-termination.c [2018-07-23 18:22:58,629 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01269ae89/3d5757618b3544139cb6aa1dc2babea6/FLAG9f4482147 [2018-07-23 18:22:58,646 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01269ae89/3d5757618b3544139cb6aa1dc2babea6 [2018-07-23 18:22:58,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:22:58,659 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:22:58,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:22:58,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:22:58,668 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:22:58,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:22:58" (1/1) ... [2018-07-23 18:22:58,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f57add1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:58, skipping insertion in model container [2018-07-23 18:22:58,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:22:58" (1/1) ... [2018-07-23 18:22:58,899 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:22:59,191 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:22:59,208 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:22:59,354 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:22:59,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59 WrapperNode [2018-07-23 18:22:59,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:22:59,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:22:59,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:22:59,403 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:22:59,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:22:59,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:22:59,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:22:59,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:22:59,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (1/1) ... [2018-07-23 18:22:59,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:22:59,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:22:59,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:22:59,798 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:22:59,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (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 18:22:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:22:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:22:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:22:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:22:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:22:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:22:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:22:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:23:03,215 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:23:03,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:23:03 BoogieIcfgContainer [2018-07-23 18:23:03,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:23:03,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:23:03,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:23:03,222 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:23:03,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:22:58" (1/3) ... [2018-07-23 18:23:03,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118dc195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:23:03, skipping insertion in model container [2018-07-23 18:23:03,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:22:59" (2/3) ... [2018-07-23 18:23:03,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118dc195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:23:03, skipping insertion in model container [2018-07-23 18:23:03,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:23:03" (3/3) ... [2018-07-23 18:23:03,227 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label47_false-unreach-call_false-termination.c [2018-07-23 18:23:03,237 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:23:03,247 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:23:03,302 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:23:03,303 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:23:03,303 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:23:03,303 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:23:03,304 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:23:03,304 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:23:03,304 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:23:03,304 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:23:03,304 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:23:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-23 18:23:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 18:23:03,341 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:03,342 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, 1, 1, 1, 1, 1, 1, 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 18:23:03,342 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1220468552, now seen corresponding path program 1 times [2018-07-23 18:23:03,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:03,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:03,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:03,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:03,399 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:03,920 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:23:04,059 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 18:23:04,062 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:23:04,062 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:23:04,062 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:23:04,069 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:23:04,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:23:04,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:23:04,091 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-23 18:23:05,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:23:05,834 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-23 18:23:05,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:23:05,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2018-07-23 18:23:05,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:23:05,859 INFO L225 Difference]: With dead ends: 550 [2018-07-23 18:23:05,859 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 18:23:05,866 INFO L573 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 [2018-07-23 18:23:05,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 18:23:05,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 18:23:05,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 18:23:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-07-23 18:23:05,945 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 80 [2018-07-23 18:23:05,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:23:05,946 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-07-23 18:23:05,946 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:23:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-07-23 18:23:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 18:23:05,952 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:05,952 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:23:05,953 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:05,953 INFO L82 PathProgramCache]: Analyzing trace with hash 393694271, now seen corresponding path program 1 times [2018-07-23 18:23:05,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:05,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:05,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:05,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:05,955 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:23:06,162 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:23:06,162 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 18:23:06,162 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:23:06,165 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:23:06,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:23:06,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:23:06,166 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-07-23 18:23:08,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:23:08,221 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-07-23 18:23:08,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 18:23:08,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2018-07-23 18:23:08,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:23:08,230 INFO L225 Difference]: With dead ends: 888 [2018-07-23 18:23:08,231 INFO L226 Difference]: Without dead ends: 554 [2018-07-23 18:23:08,234 INFO L573 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 [2018-07-23 18:23:08,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-07-23 18:23:08,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-07-23 18:23:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-07-23 18:23:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-07-23 18:23:08,286 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 91 [2018-07-23 18:23:08,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:23:08,287 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-07-23 18:23:08,287 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:23:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-07-23 18:23:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 18:23:08,291 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:08,292 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:23:08,292 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:08,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1487256443, now seen corresponding path program 1 times [2018-07-23 18:23:08,293 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:08,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:08,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:08,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:08,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:23:08,480 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:23:08,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:23:08,480 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:23:08,481 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:23:08,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:23:08,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:23:08,484 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-07-23 18:23:10,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:23:10,010 INFO L93 Difference]: Finished difference Result 1530 states and 2434 transitions. [2018-07-23 18:23:10,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:23:10,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-07-23 18:23:10,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:23:10,022 INFO L225 Difference]: With dead ends: 1530 [2018-07-23 18:23:10,023 INFO L226 Difference]: Without dead ends: 997 [2018-07-23 18:23:10,026 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:23:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-07-23 18:23:10,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 994. [2018-07-23 18:23:10,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2018-07-23 18:23:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1454 transitions. [2018-07-23 18:23:10,083 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1454 transitions. Word has length 92 [2018-07-23 18:23:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:23:10,085 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1454 transitions. [2018-07-23 18:23:10,087 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:23:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1454 transitions. [2018-07-23 18:23:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 18:23:10,093 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:10,094 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:23:10,094 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:10,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1588954565, now seen corresponding path program 1 times [2018-07-23 18:23:10,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:10,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:10,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:10,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:10,096 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:23:10,287 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:23:10,287 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 18:23:10,287 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:23:10,288 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 18:23:10,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 18:23:10,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 18:23:10,289 INFO L87 Difference]: Start difference. First operand 994 states and 1454 transitions. Second operand 4 states. [2018-07-23 18:23:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:23:13,260 INFO L93 Difference]: Finished difference Result 3376 states and 5191 transitions. [2018-07-23 18:23:13,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 18:23:13,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-07-23 18:23:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:23:13,278 INFO L225 Difference]: With dead ends: 3376 [2018-07-23 18:23:13,278 INFO L226 Difference]: Without dead ends: 2388 [2018-07-23 18:23:13,285 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 18:23:13,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2018-07-23 18:23:13,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2018-07-23 18:23:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-07-23 18:23:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 3423 transitions. [2018-07-23 18:23:13,373 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 3423 transitions. Word has length 93 [2018-07-23 18:23:13,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:23:13,374 INFO L471 AbstractCegarLoop]: Abstraction has 2388 states and 3423 transitions. [2018-07-23 18:23:13,374 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 18:23:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 3423 transitions. [2018-07-23 18:23:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 18:23:13,380 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:13,380 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:23:13,380 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:13,381 INFO L82 PathProgramCache]: Analyzing trace with hash 483190511, now seen corresponding path program 1 times [2018-07-23 18:23:13,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:13,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:13,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:13,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:13,382 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:23:13,589 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:23:13,589 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:23:13,589 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:23:13,590 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:23:13,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:23:13,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:23:13,591 INFO L87 Difference]: Start difference. First operand 2388 states and 3423 transitions. Second operand 3 states. [2018-07-23 18:23:14,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:23:14,838 INFO L93 Difference]: Finished difference Result 7070 states and 10548 transitions. [2018-07-23 18:23:14,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:23:14,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-07-23 18:23:14,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:23:14,877 INFO L225 Difference]: With dead ends: 7070 [2018-07-23 18:23:14,878 INFO L226 Difference]: Without dead ends: 4688 [2018-07-23 18:23:14,897 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:23:14,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4688 states. [2018-07-23 18:23:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4688 to 4688. [2018-07-23 18:23:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4688 states. [2018-07-23 18:23:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 6621 transitions. [2018-07-23 18:23:15,079 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 6621 transitions. Word has length 98 [2018-07-23 18:23:15,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:23:15,079 INFO L471 AbstractCegarLoop]: Abstraction has 4688 states and 6621 transitions. [2018-07-23 18:23:15,080 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:23:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 6621 transitions. [2018-07-23 18:23:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 18:23:15,090 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:15,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:23:15,091 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:15,091 INFO L82 PathProgramCache]: Analyzing trace with hash 651549179, now seen corresponding path program 1 times [2018-07-23 18:23:15,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:15,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:15,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:15,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:15,093 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:23:15,295 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:23:15,295 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 18:23:15,295 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:23:15,296 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:23:15,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:23:15,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:23:15,296 INFO L87 Difference]: Start difference. First operand 4688 states and 6621 transitions. Second operand 6 states. [2018-07-23 18:23:16,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:23:16,725 INFO L93 Difference]: Finished difference Result 9763 states and 14041 transitions. [2018-07-23 18:23:16,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 18:23:16,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-07-23 18:23:16,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:23:16,760 INFO L225 Difference]: With dead ends: 9763 [2018-07-23 18:23:16,760 INFO L226 Difference]: Without dead ends: 5081 [2018-07-23 18:23:16,786 INFO L573 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 [2018-07-23 18:23:16,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5081 states. [2018-07-23 18:23:16,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5081 to 4923. [2018-07-23 18:23:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4923 states. [2018-07-23 18:23:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 6236 transitions. [2018-07-23 18:23:16,952 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 6236 transitions. Word has length 125 [2018-07-23 18:23:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:23:16,953 INFO L471 AbstractCegarLoop]: Abstraction has 4923 states and 6236 transitions. [2018-07-23 18:23:16,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:23:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 6236 transitions. [2018-07-23 18:23:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 18:23:16,963 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:16,964 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:23:16,964 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:16,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1698018472, now seen corresponding path program 1 times [2018-07-23 18:23:16,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:16,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:16,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:16,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:16,966 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:23:17,454 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:23:17,454 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:23:17,455 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-07-23 18:23:17,458 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [30], [34], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [270], [274], [278], [282], [286], [290], [297], [301], [303], [781], [782], [783], [784], [786], [787] [2018-07-23 18:23:17,585 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:23:17,585 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 18:24:38,128 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 18:24:38,130 INFO L272 AbstractInterpreter]: Visited 84 different actions 149 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 18:24:38,152 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 18:24:53,140 INFO L232 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 79.94% of their original sizes. [2018-07-23 18:24:53,141 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 18:24:56,375 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 18:24:56,376 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 18:24:56,376 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2018-07-23 18:24:56,377 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:24:56,377 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 18:24:56,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 18:24:56,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-07-23 18:24:56,378 INFO L87 Difference]: Start difference. First operand 4923 states and 6236 transitions. Second operand 17 states. [2018-07-23 18:25:39,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:25:39,418 INFO L93 Difference]: Finished difference Result 10083 states and 12817 transitions. [2018-07-23 18:25:39,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 18:25:39,418 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 137 [2018-07-23 18:25:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:25:39,448 INFO L225 Difference]: With dead ends: 10083 [2018-07-23 18:25:39,448 INFO L226 Difference]: Without dead ends: 4977 [2018-07-23 18:25:39,471 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 18:25:39,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2018-07-23 18:25:39,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 4977. [2018-07-23 18:25:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2018-07-23 18:25:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6192 transitions. [2018-07-23 18:25:39,648 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6192 transitions. Word has length 137 [2018-07-23 18:25:39,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:25:39,649 INFO L471 AbstractCegarLoop]: Abstraction has 4977 states and 6192 transitions. [2018-07-23 18:25:39,649 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 18:25:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6192 transitions. [2018-07-23 18:25:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 18:25:39,659 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:25:39,660 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:39,660 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:25:39,661 INFO L82 PathProgramCache]: Analyzing trace with hash -903774941, now seen corresponding path program 1 times [2018-07-23 18:25:39,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:25:39,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:39,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:25:39,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:25:39,663 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:25:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:25:40,181 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-23 18:25:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-23 18:25:40,308 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:25:40,308 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:25:40,309 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-07-23 18:25:40,309 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [30], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [270], [274], [278], [282], [286], [290], [297], [301], [303], [781], [782], [783], [784], [786], [787] [2018-07-23 18:25:40,317 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:25:40,318 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 18:27:07,694 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 18:27:07,695 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 18:27:07,696 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 18:27:07,696 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:27:07,696 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 18:27:07,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:27:07,709 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 18:27:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:27:07,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 18:27:07,935 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 18:27:08,137 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:27:08,138 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 18:27:08,145 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 18:27:08,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:27:08 BoogieIcfgContainer [2018-07-23 18:27:08,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:27:08,147 INFO L168 Benchmark]: Toolchain (without parser) took 249489.29 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2018-07-23 18:27:08,148 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:27:08,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 18:27:08,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 18:27:08,150 INFO L168 Benchmark]: Boogie Preprocessor took 281.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2018-07-23 18:27:08,151 INFO L168 Benchmark]: RCFGBuilder took 3419.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 7.1 GB. [2018-07-23 18:27:08,152 INFO L168 Benchmark]: TraceAbstraction took 244927.55 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:27:08,157 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 281.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3419.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244927.55 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 395]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 395). Cancelled while BasicCegarLoop was analyzing trace of length 148 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 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 244.8s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 54.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1265 SDtfs, 2809 SDslu, 744 SDs, 0 SdLazy, 4958 SolverSat, 1001 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 191 GetRequests, 137 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4977occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 168.0s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9934925189588031 AbsIntWeakeningRatio, 0.25735294117647056 AbsIntAvgWeakeningVarsNumRemoved, 179.1764705882353 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 176 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 716 NumberOfCodeBlocks, 716 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 709 ConstructedInterpolants, 0 QuantifiedInterpolants, 214016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 145/147 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/Problem01_label47_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-27-08-184.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label47_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-27-08-184.csv Completed graceful shutdown