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/Problem01_label50_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 22:20:01,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 22:20:01,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 22:20:01,970 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 22:20:01,970 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 22:20:01,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 22:20:01,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 22:20:01,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 22:20:01,984 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 22:20:01,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 22:20:01,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 22:20:01,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 22:20:01,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 22:20:01,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 22:20:01,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 22:20:01,990 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 22:20:01,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 22:20:01,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 22:20:01,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 22:20:01,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 22:20:01,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 22:20:01,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 22:20:02,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-20 22:20:02,009 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-20 22:20:02,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 22:20:02,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 22:20:02,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 22:20:02,025 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 22:20:02,025 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 22:20:02,026 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 22:20:02,026 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 22:20:02,026 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 22:20:02,026 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 22:20:02,026 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 22:20:02,027 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 22:20:02,027 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 22:20:02,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 22:20:02,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 22:20:02,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 22:20:02,028 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 22:20:02,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 22:20:02,029 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 22:20:02,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 22:20:02,029 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 22:20:02,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 22:20:02,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 22:20:02,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 22:20:02,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 22:20:02,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 22:20:02,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 22:20:02,031 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 22:20:02,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 22:20:02,031 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 22:20:02,031 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 22:20:02,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 22:20:02,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 22:20:02,032 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 22:20:02,032 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 22:20:02,032 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 22:20:02,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 22:20:02,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 22:20:02,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 22:20:02,099 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 22:20:02,100 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 22:20:02,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label50_false-unreach-call_false-termination.c [2018-07-20 22:20:02,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/18d1a7383/be02e539159e479e95640fde1af095b3/FLAG21e0fd9a6 [2018-07-20 22:20:02,811 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 22:20:02,812 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label50_false-unreach-call_false-termination.c [2018-07-20 22:20:02,859 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/18d1a7383/be02e539159e479e95640fde1af095b3/FLAG21e0fd9a6 [2018-07-20 22:20:02,880 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/18d1a7383/be02e539159e479e95640fde1af095b3 [2018-07-20 22:20:02,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 22:20:02,899 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 22:20:02,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 22:20:02,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 22:20:02,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 22:20:02,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:20:02" (1/1) ... [2018-07-20 22:20:02,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c62967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:02, skipping insertion in model container [2018-07-20 22:20:02,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:20:02" (1/1) ... [2018-07-20 22:20:03,168 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 22:20:03,501 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 22:20:03,523 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 22:20:03,652 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 22:20:03,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03 WrapperNode [2018-07-20 22:20:03,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 22:20:03,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 22:20:03,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 22:20:03,705 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 22:20:03,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 22:20:03,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 22:20:03,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 22:20:03,839 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 22:20:03,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (1/1) ... [2018-07-20 22:20:03,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 22:20:03,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 22:20:03,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 22:20:03,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 22:20:03,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (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 [2018-07-20 22:20:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 22:20:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 22:20:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 22:20:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 22:20:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 22:20:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 22:20:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-20 22:20:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-20 22:20:07,688 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 22:20:07,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:20:07 BoogieIcfgContainer [2018-07-20 22:20:07,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 22:20:07,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 22:20:07,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 22:20:07,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 22:20:07,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:20:02" (1/3) ... [2018-07-20 22:20:07,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d884dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:20:07, skipping insertion in model container [2018-07-20 22:20:07,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:20:03" (2/3) ... [2018-07-20 22:20:07,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d884dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:20:07, skipping insertion in model container [2018-07-20 22:20:07,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:20:07" (3/3) ... [2018-07-20 22:20:07,705 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label50_false-unreach-call_false-termination.c [2018-07-20 22:20:07,717 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 22:20:07,727 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 22:20:07,797 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 22:20:07,798 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 22:20:07,798 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 22:20:07,798 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 22:20:07,799 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 22:20:07,799 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 22:20:07,799 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 22:20:07,799 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 22:20:07,799 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 22:20:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-20 22:20:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-20 22:20:07,851 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:20:07,853 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:20:07,853 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:20:07,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1751282368, now seen corresponding path program 1 times [2018-07-20 22:20:07,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:20:07,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:07,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:20:07,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:07,915 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:20:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:20:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:20:08,512 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:20:08,512 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 22:20:08,512 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:20:08,516 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 22:20:08,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 22:20:08,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:20:08,538 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-20 22:20:09,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:20:09,788 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-20 22:20:09,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 22:20:09,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-07-20 22:20:09,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:20:09,811 INFO L225 Difference]: With dead ends: 550 [2018-07-20 22:20:09,811 INFO L226 Difference]: Without dead ends: 340 [2018-07-20 22:20:09,819 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:20:09,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-20 22:20:09,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-20 22:20:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-20 22:20:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-07-20 22:20:09,902 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 86 [2018-07-20 22:20:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:20:09,903 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-07-20 22:20:09,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 22:20:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-07-20 22:20:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-20 22:20:09,910 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:20:09,910 INFO L358 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, 1, 1, 1, 1, 1, 1] [2018-07-20 22:20:09,910 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:20:09,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1485298441, now seen corresponding path program 1 times [2018-07-20 22:20:09,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:20:09,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:09,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:20:09,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:09,913 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:20:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:20:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:20:10,156 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:20:10,156 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-20 22:20:10,156 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:20:10,158 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-20 22:20:10,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-20 22:20:10,159 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-20 22:20:10,159 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-07-20 22:20:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:20:11,678 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-07-20 22:20:11,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-20 22:20:11,713 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-07-20 22:20:11,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:20:11,723 INFO L225 Difference]: With dead ends: 888 [2018-07-20 22:20:11,723 INFO L226 Difference]: Without dead ends: 554 [2018-07-20 22:20:11,731 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 [2018-07-20 22:20:11,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-07-20 22:20:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-07-20 22:20:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-07-20 22:20:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-07-20 22:20:11,779 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 97 [2018-07-20 22:20:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:20:11,780 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-07-20 22:20:11,780 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-20 22:20:11,780 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-07-20 22:20:11,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-20 22:20:11,784 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:20:11,785 INFO L358 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, 1, 1, 1, 1, 1, 1] [2018-07-20 22:20:11,785 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:20:11,785 INFO L82 PathProgramCache]: Analyzing trace with hash 130889523, now seen corresponding path program 1 times [2018-07-20 22:20:11,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:20:11,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:11,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:20:11,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:11,787 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:20:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:20:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:20:11,959 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:20:11,959 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 22:20:11,959 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:20:11,960 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 22:20:11,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 22:20:11,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:20:11,961 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-07-20 22:20:13,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:20:13,203 INFO L93 Difference]: Finished difference Result 1530 states and 2434 transitions. [2018-07-20 22:20:13,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 22:20:13,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-07-20 22:20:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:20:13,217 INFO L225 Difference]: With dead ends: 1530 [2018-07-20 22:20:13,217 INFO L226 Difference]: Without dead ends: 997 [2018-07-20 22:20:13,223 INFO L578 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 [2018-07-20 22:20:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-07-20 22:20:13,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 994. [2018-07-20 22:20:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2018-07-20 22:20:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1454 transitions. [2018-07-20 22:20:13,294 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1454 transitions. Word has length 98 [2018-07-20 22:20:13,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:20:13,295 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1454 transitions. [2018-07-20 22:20:13,295 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 22:20:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1454 transitions. [2018-07-20 22:20:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-20 22:20:13,310 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:20:13,310 INFO L358 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, 1, 1, 1, 1, 1, 1] [2018-07-20 22:20:13,310 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:20:13,310 INFO L82 PathProgramCache]: Analyzing trace with hash -770185741, now seen corresponding path program 1 times [2018-07-20 22:20:13,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:20:13,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:13,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:20:13,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:13,312 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:20:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:20:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:20:13,585 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:20:13,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 22:20:13,585 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:20:13,586 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 22:20:13,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 22:20:13,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:20:13,586 INFO L87 Difference]: Start difference. First operand 994 states and 1454 transitions. Second operand 3 states. [2018-07-20 22:20:15,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:20:15,500 INFO L93 Difference]: Finished difference Result 2885 states and 4374 transitions. [2018-07-20 22:20:15,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 22:20:15,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2018-07-20 22:20:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:20:15,518 INFO L225 Difference]: With dead ends: 2885 [2018-07-20 22:20:15,519 INFO L226 Difference]: Without dead ends: 1897 [2018-07-20 22:20:15,526 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 22:20:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2018-07-20 22:20:15,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1886. [2018-07-20 22:20:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-07-20 22:20:15,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2752 transitions. [2018-07-20 22:20:15,643 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2752 transitions. Word has length 99 [2018-07-20 22:20:15,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:20:15,644 INFO L471 AbstractCegarLoop]: Abstraction has 1886 states and 2752 transitions. [2018-07-20 22:20:15,644 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 22:20:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2752 transitions. [2018-07-20 22:20:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-20 22:20:15,651 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:20:15,651 INFO L358 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, 1, 1, 1, 1, 1, 1] [2018-07-20 22:20:15,652 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:20:15,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1996159911, now seen corresponding path program 1 times [2018-07-20 22:20:15,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:20:15,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:15,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:20:15,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:15,654 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:20:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:20:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:20:15,878 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 22:20:15,878 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-20 22:20:15,878 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:20:15,879 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-20 22:20:15,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-20 22:20:15,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-20 22:20:15,880 INFO L87 Difference]: Start difference. First operand 1886 states and 2752 transitions. Second operand 6 states. [2018-07-20 22:20:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:20:17,082 INFO L93 Difference]: Finished difference Result 4150 states and 6090 transitions. [2018-07-20 22:20:17,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-20 22:20:17,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-07-20 22:20:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:20:17,131 INFO L225 Difference]: With dead ends: 4150 [2018-07-20 22:20:17,131 INFO L226 Difference]: Without dead ends: 2270 [2018-07-20 22:20:17,140 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-20 22:20:17,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2018-07-20 22:20:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2239. [2018-07-20 22:20:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2018-07-20 22:20:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3087 transitions. [2018-07-20 22:20:17,275 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3087 transitions. Word has length 104 [2018-07-20 22:20:17,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:20:17,276 INFO L471 AbstractCegarLoop]: Abstraction has 2239 states and 3087 transitions. [2018-07-20 22:20:17,276 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-20 22:20:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3087 transitions. [2018-07-20 22:20:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-20 22:20:17,281 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:20:17,282 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-20 22:20:17,282 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:20:17,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1934807334, now seen corresponding path program 1 times [2018-07-20 22:20:17,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:20:17,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:17,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:20:17,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:20:17,284 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:20:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:20:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:20:17,497 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:20:17,497 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 22:20:17,498 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2018-07-20 22:20:17,500 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [30], [34], [38], [41], [42], [46], [50], [54], [58], [62], [65], [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], [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], [305], [313], [321], [329], [337], [345], [349], [351], [781], [782], [783], [784], [786], [787] [2018-07-20 22:20:17,581 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 22:20:17,581 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 22:21:15,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-20 22:21:15,322 INFO L272 AbstractInterpreter]: Visited 90 different actions 158 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-20 22:21:15,344 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-20 22:21:23,570 INFO L232 lantSequenceWeakener]: Weakened 114 states. On average, predicates are now at 80.07% of their original sizes. [2018-07-20 22:21:23,570 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-20 22:21:27,629 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-20 22:21:27,630 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-20 22:21:27,630 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2018-07-20 22:21:27,630 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:21:27,631 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-20 22:21:27,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-20 22:21:27,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2018-07-20 22:21:27,632 INFO L87 Difference]: Start difference. First operand 2239 states and 3087 transitions. Second operand 17 states. [2018-07-20 22:22:25,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:22:25,178 INFO L93 Difference]: Finished difference Result 4877 states and 6725 transitions. [2018-07-20 22:22:25,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-20 22:22:25,178 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 116 [2018-07-20 22:22:25,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:22:25,192 INFO L225 Difference]: With dead ends: 4877 [2018-07-20 22:22:25,192 INFO L226 Difference]: Without dead ends: 2290 [2018-07-20 22:22:25,201 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 132 GetRequests, 94 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2018-07-20 22:22:25,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2018-07-20 22:22:25,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2290. [2018-07-20 22:22:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2290 states. [2018-07-20 22:22:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3061 transitions. [2018-07-20 22:22:25,311 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3061 transitions. Word has length 116 [2018-07-20 22:22:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:22:25,311 INFO L471 AbstractCegarLoop]: Abstraction has 2290 states and 3061 transitions. [2018-07-20 22:22:25,312 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-20 22:22:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3061 transitions. [2018-07-20 22:22:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-20 22:22:25,320 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:22:25,320 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:22:25,324 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:22:25,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1997684862, now seen corresponding path program 1 times [2018-07-20 22:22:25,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:22:25,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:22:25,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:22:25,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:22:25,326 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:22:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:22:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:22:25,727 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:22:25,727 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 22:22:25,728 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-07-20 22:22:25,728 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [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], [305], [313], [321], [329], [337], [345], [349], [351], [781], [782], [783], [784], [786], [787] [2018-07-20 22:22:25,733 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 22:22:25,734 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 22:23:12,481 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-20 22:23:12,481 INFO L272 AbstractInterpreter]: Visited 90 different actions 158 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-20 22:23:12,488 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-20 22:23:20,050 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.06% of their original sizes. [2018-07-20 22:23:20,051 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-20 22:23:26,562 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-20 22:23:26,562 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-20 22:23:26,562 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 25 [2018-07-20 22:23:26,562 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 22:23:26,563 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-20 22:23:26,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-20 22:23:26,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2018-07-20 22:23:26,563 INFO L87 Difference]: Start difference. First operand 2290 states and 3061 transitions. Second operand 20 states. [2018-07-20 22:23:59,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 22:23:59,093 INFO L93 Difference]: Finished difference Result 4658 states and 6215 transitions. [2018-07-20 22:23:59,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-20 22:23:59,094 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 129 [2018-07-20 22:23:59,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 22:23:59,105 INFO L225 Difference]: With dead ends: 4658 [2018-07-20 22:23:59,105 INFO L226 Difference]: Without dead ends: 2435 [2018-07-20 22:23:59,113 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 94 SyntacticMatches, 16 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=341, Invalid=1219, Unknown=0, NotChecked=0, Total=1560 [2018-07-20 22:23:59,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2018-07-20 22:23:59,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2428. [2018-07-20 22:23:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2428 states. [2018-07-20 22:23:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 3203 transitions. [2018-07-20 22:23:59,203 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 3203 transitions. Word has length 129 [2018-07-20 22:23:59,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 22:23:59,204 INFO L471 AbstractCegarLoop]: Abstraction has 2428 states and 3203 transitions. [2018-07-20 22:23:59,204 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-20 22:23:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 3203 transitions. [2018-07-20 22:23:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-20 22:23:59,209 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 22:23:59,210 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 22:23:59,210 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 22:23:59,210 INFO L82 PathProgramCache]: Analyzing trace with hash 794090526, now seen corresponding path program 1 times [2018-07-20 22:23:59,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 22:23:59,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:23:59,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:23:59,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 22:23:59,212 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 22:23:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:23:59,754 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-20 22:23:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 22:23:59,920 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:23:59,920 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 22:23:59,920 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-07-20 22:23:59,921 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [161], [162], [166], [170], [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], [305], [313], [321], [329], [337], [345], [349], [351], [781], [782], [783], [784], [786], [787] [2018-07-20 22:23:59,928 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 22:23:59,928 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-20 22:24:07,105 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-20 22:24:07,105 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-20 22:24:07,106 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-20 22:24:07,106 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 22:24:07,106 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 [2018-07-20 22:24:07,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 22:24:07,117 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-20 22:24:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 22:24:07,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 22:24:07,241 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-20 22:24:07,442 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 22:24:07,442 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-20 22:24:07,446 WARN L202 ceAbstractionStarter]: Timeout [2018-07-20 22:24:07,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:24:07 BoogieIcfgContainer [2018-07-20 22:24:07,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 22:24:07,448 INFO L168 Benchmark]: Toolchain (without parser) took 244554.90 ms. Allocated memory was 305.7 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 250.9 MB in the beginning and 781.7 MB in the end (delta: -530.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-07-20 22:24:07,449 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 305.7 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 22:24:07,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.22 ms. Allocated memory is still 305.7 MB. Free memory was 248.9 MB in the beginning and 217.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 5.3 GB. [2018-07-20 22:24:07,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.27 ms. Allocated memory is still 305.7 MB. Free memory was 217.0 MB in the beginning and 211.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:24:07,450 INFO L168 Benchmark]: Boogie Preprocessor took 86.26 ms. Allocated memory is still 305.7 MB. Free memory was 211.0 MB in the beginning and 207.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:24:07,451 INFO L168 Benchmark]: RCFGBuilder took 3763.63 ms. Allocated memory was 305.7 MB in the beginning and 475.0 MB in the end (delta: 169.3 MB). Free memory was 207.0 MB in the beginning and 330.5 MB in the end (delta: -123.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 5.3 GB. [2018-07-20 22:24:07,451 INFO L168 Benchmark]: TraceAbstraction took 239756.42 ms. Allocated memory was 475.0 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 330.5 MB in the beginning and 781.7 MB in the end (delta: -451.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. [2018-07-20 22:24:07,460 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 305.7 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 801.22 ms. Allocated memory is still 305.7 MB. Free memory was 248.9 MB in the beginning and 217.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 134.27 ms. Allocated memory is still 305.7 MB. Free memory was 217.0 MB in the beginning and 211.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 86.26 ms. Allocated memory is still 305.7 MB. Free memory was 211.0 MB in the beginning and 207.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 3763.63 ms. Allocated memory was 305.7 MB in the beginning and 475.0 MB in the end (delta: 169.3 MB). Free memory was 207.0 MB in the beginning and 330.5 MB in the end (delta: -123.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 239756.42 ms. Allocated memory was 475.0 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 330.5 MB in the beginning and 781.7 MB in the end (delta: -451.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 413]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 413). Cancelled while BasicCegarLoop was analyzing trace of length 147 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 239.6s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 97.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1197 SDtfs, 3823 SDslu, 1701 SDs, 0 SdLazy, 7360 SolverSat, 980 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 315 GetRequests, 200 SyntacticMatches, 27 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2428occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 111.7s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9927159059950388 AbsIntWeakeningRatio, 0.2880658436213992 AbsIntAvgWeakeningVarsNumRemoved, 169.1358024691358 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 67 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 729 NumberOfCodeBlocks, 729 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 250824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 120/124 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/Problem01_label50_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_22-24-07-476.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem01_label50_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_22-24-07-476.csv Completed graceful shutdown