java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 23:41:40,879 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 23:41:40,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 23:41:40,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 23:41:40,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 23:41:40,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 23:41:40,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 23:41:40,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 23:41:40,911 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 23:41:40,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 23:41:40,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 23:41:40,924 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 23:41:40,925 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 23:41:40,926 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 23:41:40,927 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 23:41:40,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 23:41:40,932 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 23:41:40,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 23:41:40,941 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 23:41:40,945 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 23:41:40,946 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 23:41:40,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 23:41:40,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 23:41:40,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 23:41:40,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 23:41:40,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 23:41:40,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 23:41:40,967 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 23:41:41,005 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 23:41:41,006 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 23:41:41,008 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 23:41:41,008 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 23:41:41,008 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 23:41:41,009 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 23:41:41,009 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 23:41:41,009 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 23:41:41,009 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 23:41:41,009 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 23:41:41,010 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 23:41:41,010 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 23:41:41,011 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 23:41:41,012 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 23:41:41,012 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 23:41:41,012 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 23:41:41,012 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 23:41:41,012 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 23:41:41,012 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 23:41:41,013 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 23:41:41,013 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 23:41:41,013 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 23:41:41,013 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 23:41:41,013 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 23:41:41,014 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 23:41:41,016 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 23:41:41,016 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 23:41:41,016 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 23:41:41,016 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 23:41:41,016 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 23:41:41,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 23:41:41,017 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 23:41:41,017 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 23:41:41,017 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 23:41:41,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 23:41:41,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 23:41:41,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 23:41:41,134 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 23:41:41,134 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 23:41:41,136 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label40_true-unreach-call.c [2018-10-23 23:41:41,233 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/28950adaf/2b69f0acce244e288ad5f4beb0ddbd3e/FLAGe2eb99395 [2018-10-23 23:41:41,972 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 23:41:41,973 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label40_true-unreach-call.c [2018-10-23 23:41:41,993 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/28950adaf/2b69f0acce244e288ad5f4beb0ddbd3e/FLAGe2eb99395 [2018-10-23 23:41:42,010 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/28950adaf/2b69f0acce244e288ad5f4beb0ddbd3e [2018-10-23 23:41:42,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 23:41:42,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 23:41:42,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 23:41:42,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 23:41:42,031 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 23:41:42,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:41:42" (1/1) ... [2018-10-23 23:41:42,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1fa38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:42, skipping insertion in model container [2018-10-23 23:41:42,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:41:42" (1/1) ... [2018-10-23 23:41:42,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 23:41:42,162 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 23:41:42,840 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:41:42,846 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 23:41:43,211 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:41:43,240 INFO L193 MainTranslator]: Completed translation [2018-10-23 23:41:43,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43 WrapperNode [2018-10-23 23:41:43,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 23:41:43,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 23:41:43,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 23:41:43,244 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 23:41:43,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 23:41:43,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 23:41:43,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 23:41:43,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 23:41:43,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... [2018-10-23 23:41:43,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 23:41:43,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 23:41:43,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 23:41:43,788 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 23:41:43,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 23:41:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 23:41:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 23:41:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 23:41:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 23:41:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 23:41:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 23:41:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 23:41:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 23:41:49,282 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 23:41:49,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:41:49 BoogieIcfgContainer [2018-10-23 23:41:49,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 23:41:49,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 23:41:49,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 23:41:49,291 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 23:41:49,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:41:42" (1/3) ... [2018-10-23 23:41:49,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fb5760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:41:49, skipping insertion in model container [2018-10-23 23:41:49,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:41:43" (2/3) ... [2018-10-23 23:41:49,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fb5760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:41:49, skipping insertion in model container [2018-10-23 23:41:49,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:41:49" (3/3) ... [2018-10-23 23:41:49,298 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label40_true-unreach-call.c [2018-10-23 23:41:49,310 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 23:41:49,324 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 23:41:49,345 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 23:41:49,405 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 23:41:49,405 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 23:41:49,405 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 23:41:49,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 23:41:49,406 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 23:41:49,406 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 23:41:49,406 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 23:41:49,406 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 23:41:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-23 23:41:49,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-23 23:41:49,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:41:49,493 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:41:49,497 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:41:49,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:41:49,504 INFO L82 PathProgramCache]: Analyzing trace with hash -859326052, now seen corresponding path program 1 times [2018-10-23 23:41:49,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:41:49,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:41:49,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:41:49,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:41:49,571 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:41:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:41:50,583 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-23 23:41:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:41:51,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:41:51,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 23:41:51,014 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:41:51,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 23:41:51,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 23:41:51,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 23:41:51,047 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-10-23 23:41:54,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:41:54,646 INFO L93 Difference]: Finished difference Result 1074 states and 1924 transitions. [2018-10-23 23:41:54,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 23:41:54,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2018-10-23 23:41:54,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:41:54,677 INFO L225 Difference]: With dead ends: 1074 [2018-10-23 23:41:54,677 INFO L226 Difference]: Without dead ends: 756 [2018-10-23 23:41:54,689 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 23:41:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-10-23 23:41:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 520. [2018-10-23 23:41:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-10-23 23:41:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 919 transitions. [2018-10-23 23:41:54,811 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 919 transitions. Word has length 191 [2018-10-23 23:41:54,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:41:54,812 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 919 transitions. [2018-10-23 23:41:54,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 23:41:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 919 transitions. [2018-10-23 23:41:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-23 23:41:54,831 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:41:54,832 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:41:54,832 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:41:54,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:41:54,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1958818567, now seen corresponding path program 1 times [2018-10-23 23:41:54,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:41:54,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:41:54,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:41:54,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:41:54,838 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:41:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:41:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:41:55,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:41:55,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 23:41:55,184 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:41:55,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 23:41:55,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 23:41:55,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 23:41:55,187 INFO L87 Difference]: Start difference. First operand 520 states and 919 transitions. Second operand 6 states. [2018-10-23 23:41:58,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:41:58,778 INFO L93 Difference]: Finished difference Result 1482 states and 2700 transitions. [2018-10-23 23:41:58,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 23:41:58,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2018-10-23 23:41:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:41:58,796 INFO L225 Difference]: With dead ends: 1482 [2018-10-23 23:41:58,796 INFO L226 Difference]: Without dead ends: 968 [2018-10-23 23:41:58,799 INFO L605 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 [2018-10-23 23:41:58,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2018-10-23 23:41:58,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 949. [2018-10-23 23:41:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2018-10-23 23:41:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1579 transitions. [2018-10-23 23:41:58,874 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1579 transitions. Word has length 219 [2018-10-23 23:41:58,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:41:58,874 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1579 transitions. [2018-10-23 23:41:58,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 23:41:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1579 transitions. [2018-10-23 23:41:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-23 23:41:58,881 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:41:58,881 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:41:58,881 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:41:58,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:41:58,882 INFO L82 PathProgramCache]: Analyzing trace with hash 913759140, now seen corresponding path program 1 times [2018-10-23 23:41:58,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:41:58,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:41:58,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:41:58,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:41:58,884 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:41:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:41:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:41:59,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:41:59,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 23:41:59,401 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:41:59,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 23:41:59,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 23:41:59,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 23:41:59,404 INFO L87 Difference]: Start difference. First operand 949 states and 1579 transitions. Second operand 4 states. [2018-10-23 23:42:03,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:42:03,228 INFO L93 Difference]: Finished difference Result 3400 states and 5834 transitions. [2018-10-23 23:42:03,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 23:42:03,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 237 [2018-10-23 23:42:03,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:42:03,266 INFO L225 Difference]: With dead ends: 3400 [2018-10-23 23:42:03,266 INFO L226 Difference]: Without dead ends: 2457 [2018-10-23 23:42:03,362 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 23:42:03,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2018-10-23 23:42:03,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2438. [2018-10-23 23:42:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2438 states. [2018-10-23 23:42:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 3895 transitions. [2018-10-23 23:42:03,459 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 3895 transitions. Word has length 237 [2018-10-23 23:42:03,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:42:03,460 INFO L481 AbstractCegarLoop]: Abstraction has 2438 states and 3895 transitions. [2018-10-23 23:42:03,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 23:42:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 3895 transitions. [2018-10-23 23:42:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-23 23:42:03,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:42:03,475 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:42:03,476 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:42:03,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:42:03,476 INFO L82 PathProgramCache]: Analyzing trace with hash -2110823573, now seen corresponding path program 1 times [2018-10-23 23:42:03,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:42:03,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:42:03,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:42:03,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:42:03,478 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:42:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:42:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:42:03,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:42:03,794 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 23:42:03,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-10-23 23:42:03,798 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [139], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [989], [991], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-23 23:42:03,901 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 23:42:03,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-10-23 23:46:16,165 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-23 23:46:16,166 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-23 23:46:16,167 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-23 23:46:16,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:46:16,168 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 23:46:16,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:46:16,185 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-23 23:46:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:46:16,445 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 23:46:16,496 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-23 23:46:16,698 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 23:46:16,698 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:46:16,706 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:46:16,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:46:16 BoogieIcfgContainer [2018-10-23 23:46:16,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:46:16,711 INFO L168 Benchmark]: Toolchain (without parser) took 274686.92 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -752.3 MB). Peak memory consumption was 839.4 MB. Max. memory is 7.1 GB. [2018-10-23 23:46:16,713 INFO L168 Benchmark]: CDTParser took 0.34 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. [2018-10-23 23:46:16,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1215.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-23 23:46:16,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 401.47 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 733.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -857.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2018-10-23 23:46:16,716 INFO L168 Benchmark]: Boogie Preprocessor took 142.28 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-10-23 23:46:16,717 INFO L168 Benchmark]: RCFGBuilder took 5495.47 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 264.5 MB). Peak memory consumption was 264.5 MB. Max. memory is 7.1 GB. [2018-10-23 23:46:16,719 INFO L168 Benchmark]: TraceAbstraction took 267422.41 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 858.8 MB). Free memory was 1.9 GB in the beginning and 2.2 GB in the end (delta: -257.7 MB). Peak memory consumption was 601.1 MB. Max. memory is 7.1 GB. [2018-10-23 23:46:16,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1215.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 401.47 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 733.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -857.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.28 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5495.47 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 264.5 MB). Peak memory consumption was 264.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267422.41 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 858.8 MB). Free memory was 1.9 GB in the beginning and 2.2 GB in the end (delta: -257.7 MB). Peak memory consumption was 601.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1587]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1587). Cancelled while BasicCegarLoop was analyzing trace of length 277 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, 312 locations, 1 error locations. TIMEOUT Result, 267.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 11.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 798 SDtfs, 1920 SDslu, 379 SDs, 0 SdLazy, 3447 SolverSat, 1137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2438occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 252.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 274 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 647 NumberOfCodeBlocks, 647 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 749854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 68/68 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown