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/Problem19_label33_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:29:57,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:29:57,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:29:57,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:29:57,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:29:57,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:29:57,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:29:57,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:29:57,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:29:57,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:29:57,494 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:29:57,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:29:57,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:29:57,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:29:57,498 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:29:57,499 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:29:57,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:29:57,501 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:29:57,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:29:57,505 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:29:57,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:29:57,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:29:57,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 22:29:57,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 22:29:57,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 22:29:57,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 22:29:57,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 22:29:57,519 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 [2018-10-24 22:29:57,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:29:57,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:29:57,537 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:29:57,537 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:29:57,537 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:29:57,537 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:29:57,537 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:29:57,538 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:29:57,538 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:29:57,538 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:29:57,538 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:29:57,538 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:29:57,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:29:57,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:29:57,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:29:57,540 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:29:57,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:29:57,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:29:57,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:29:57,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:29:57,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:29:57,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:29:57,541 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:29:57,541 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:29:57,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:29:57,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:29:57,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:29:57,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:29:57,542 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:29:57,543 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:29:57,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:29:57,543 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:29:57,543 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:29:57,543 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:29:57,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:29:57,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:29:57,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:29:57,616 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:29:57,616 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:29:57,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-10-24 22:29:57,685 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/953a84d65/e911ed518c52493daf0dfb24afe72526/FLAG088fda1f1 [2018-10-24 22:29:58,575 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:29:58,576 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-10-24 22:29:58,619 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/953a84d65/e911ed518c52493daf0dfb24afe72526/FLAG088fda1f1 [2018-10-24 22:29:58,641 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/953a84d65/e911ed518c52493daf0dfb24afe72526 [2018-10-24 22:29:58,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:29:58,656 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:29:58,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:29:58,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:29:58,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:29:58,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:58" (1/1) ... [2018-10-24 22:29:58,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5412784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:58, skipping insertion in model container [2018-10-24 22:29:58,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:58" (1/1) ... [2018-10-24 22:29:58,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:29:58,959 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:30:01,007 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:30:01,012 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:30:02,048 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:30:02,107 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:30:02,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02 WrapperNode [2018-10-24 22:30:02,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:30:02,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:30:02,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:30:02,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:30:02,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:02,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:02,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:30:02,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:30:02,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:30:02,867 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:30:02,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:02,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:02,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:02,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:03,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:03,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:03,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (1/1) ... [2018-10-24 22:30:03,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:30:03,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:30:03,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:30:03,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:30:03,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (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 [2018-10-24 22:30:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:30:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:30:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 22:30:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 22:30:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 22:30:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 22:30:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 22:30:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 22:30:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 22:30:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 22:30:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:30:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:30:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:30:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:30:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:30:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:30:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:30:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:30:22,319 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:30:22,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:30:22 BoogieIcfgContainer [2018-10-24 22:30:22,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:30:22,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:30:22,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:30:22,326 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:30:22,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:29:58" (1/3) ... [2018-10-24 22:30:22,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2297116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:30:22, skipping insertion in model container [2018-10-24 22:30:22,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:02" (2/3) ... [2018-10-24 22:30:22,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2297116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:30:22, skipping insertion in model container [2018-10-24 22:30:22,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:30:22" (3/3) ... [2018-10-24 22:30:22,330 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label33_true-unreach-call.c [2018-10-24 22:30:22,341 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:30:22,352 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:30:22,371 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:30:22,430 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:30:22,430 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:30:22,430 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:30:22,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:30:22,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:30:22,431 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:30:22,431 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:30:22,431 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:30:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 22:30:22,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-24 22:30:22,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:30:22,500 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] [2018-10-24 22:30:22,502 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:30:22,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:30:22,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1504414580, now seen corresponding path program 1 times [2018-10-24 22:30:22,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:30:22,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:30:22,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:30:22,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:30:22,577 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:30:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:30:23,029 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:30:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:30:23,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:30:23,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 22:30:23,164 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:30:23,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 22:30:23,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 22:30:23,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:30:23,215 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 22:30:40,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:30:40,024 INFO L93 Difference]: Finished difference Result 5040 states and 9510 transitions. [2018-10-24 22:30:40,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 22:30:40,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-24 22:30:40,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:30:40,074 INFO L225 Difference]: With dead ends: 5040 [2018-10-24 22:30:40,074 INFO L226 Difference]: Without dead ends: 3260 [2018-10-24 22:30:40,086 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:30:40,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2018-10-24 22:30:40,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 3207. [2018-10-24 22:30:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-10-24 22:30:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 6013 transitions. [2018-10-24 22:30:40,283 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 6013 transitions. Word has length 48 [2018-10-24 22:30:40,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:30:40,284 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 6013 transitions. [2018-10-24 22:30:40,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 22:30:40,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 6013 transitions. [2018-10-24 22:30:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-24 22:30:40,292 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:30:40,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:30:40,293 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:30:40,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:30:40,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1949393301, now seen corresponding path program 1 times [2018-10-24 22:30:40,293 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:30:40,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:30:40,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:30:40,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:30:40,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:30:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:30:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:30:40,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:30:40,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:30:40,912 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:30:40,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:30:40,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:30:40,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:30:40,915 INFO L87 Difference]: Start difference. First operand 3207 states and 6013 transitions. Second operand 6 states. [2018-10-24 22:31:32,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:31:32,896 INFO L93 Difference]: Finished difference Result 12372 states and 23780 transitions. [2018-10-24 22:31:32,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 22:31:32,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-10-24 22:31:32,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:31:32,958 INFO L225 Difference]: With dead ends: 12372 [2018-10-24 22:31:32,958 INFO L226 Difference]: Without dead ends: 9171 [2018-10-24 22:31:32,981 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 22:31:32,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9171 states. [2018-10-24 22:31:33,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9171 to 9108. [2018-10-24 22:31:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9108 states. [2018-10-24 22:31:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9108 states to 9108 states and 15113 transitions. [2018-10-24 22:31:33,268 INFO L78 Accepts]: Start accepts. Automaton has 9108 states and 15113 transitions. Word has length 124 [2018-10-24 22:31:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:31:33,269 INFO L481 AbstractCegarLoop]: Abstraction has 9108 states and 15113 transitions. [2018-10-24 22:31:33,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:31:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 9108 states and 15113 transitions. [2018-10-24 22:31:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-24 22:31:33,281 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:31:33,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:31:33,282 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:31:33,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:31:33,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1071888671, now seen corresponding path program 1 times [2018-10-24 22:31:33,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:31:33,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:31:33,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:31:33,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:31:33,287 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:31:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:31:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:31:33,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:31:33,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:31:33,736 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:31:33,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:31:33,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:31:33,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:31:33,738 INFO L87 Difference]: Start difference. First operand 9108 states and 15113 transitions. Second operand 6 states. [2018-10-24 22:31:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:31:53,755 INFO L93 Difference]: Finished difference Result 27862 states and 47175 transitions. [2018-10-24 22:31:53,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 22:31:53,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-10-24 22:31:53,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:31:53,857 INFO L225 Difference]: With dead ends: 27862 [2018-10-24 22:31:53,857 INFO L226 Difference]: Without dead ends: 18760 [2018-10-24 22:31:53,893 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:31:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18760 states. [2018-10-24 22:31:54,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18760 to 18320. [2018-10-24 22:31:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18320 states. [2018-10-24 22:31:54,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18320 states to 18320 states and 29616 transitions. [2018-10-24 22:31:54,570 INFO L78 Accepts]: Start accepts. Automaton has 18320 states and 29616 transitions. Word has length 130 [2018-10-24 22:31:54,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:31:54,571 INFO L481 AbstractCegarLoop]: Abstraction has 18320 states and 29616 transitions. [2018-10-24 22:31:54,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:31:54,571 INFO L276 IsEmpty]: Start isEmpty. Operand 18320 states and 29616 transitions. [2018-10-24 22:31:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-24 22:31:54,575 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:31:54,576 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:31:54,576 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:31:54,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:31:54,577 INFO L82 PathProgramCache]: Analyzing trace with hash -494308416, now seen corresponding path program 1 times [2018-10-24 22:31:54,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:31:54,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:31:54,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:31:54,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:31:54,578 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:31:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:31:54,870 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:31:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 82 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 22:31:55,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:31:55,253 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:31:55,254 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-10-24 22:31:55,257 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5510], [5512], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5724], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5988], [5991], [5995], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-24 22:31:55,338 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:31:55,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:31:58,919 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:31:58,921 INFO L272 AbstractInterpreter]: Visited 130 different actions 130 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 22:31:58,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:31:58,956 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:32:01,217 INFO L232 lantSequenceWeakener]: Weakened 235 states. On average, predicates are now at 75.56% of their original sizes. [2018-10-24 22:32:01,217 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:32:01,900 INFO L413 sIntCurrentIteration]: We have 246 unified AI predicates [2018-10-24 22:32:01,901 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:32:01,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:32:01,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 22:32:01,902 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:32:01,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 22:32:01,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 22:32:01,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:32:01,903 INFO L87 Difference]: Start difference. First operand 18320 states and 29616 transitions. Second operand 7 states. [2018-10-24 22:32:04,689 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 22:33:39,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:33:39,085 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:33:39,090 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:33:39,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:33:39 BoogieIcfgContainer [2018-10-24 22:33:39,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:33:39,092 INFO L168 Benchmark]: Toolchain (without parser) took 220436.79 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 482.2 MB. Max. memory is 7.1 GB. [2018-10-24 22:33:39,093 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 22:33:39,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3451.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 997.5 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-10-24 22:33:39,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 757.19 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 869.8 MB). Free memory was 997.5 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 22:33:39,096 INFO L168 Benchmark]: Boogie Preprocessor took 450.63 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2018-10-24 22:33:39,097 INFO L168 Benchmark]: RCFGBuilder took 19003.03 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 167.8 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 516.7 MB). Peak memory consumption was 684.5 MB. Max. memory is 7.1 GB. [2018-10-24 22:33:39,098 INFO L168 Benchmark]: TraceAbstraction took 196769.34 ms. Allocated memory was 2.6 GB in the beginning and 4.1 GB in the end (delta: 1.5 GB). Free memory was 1.7 GB in the beginning and 3.5 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 22:33:39,103 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3451.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 997.5 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 757.19 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 869.8 MB). Free memory was 997.5 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 450.63 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19003.03 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 167.8 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 516.7 MB). Peak memory consumption was 684.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 196769.34 ms. Allocated memory was 2.6 GB in the beginning and 4.1 GB in the end (delta: 1.5 GB). Free memory was 1.7 GB in the beginning and 3.5 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 139). Cancelled while BasicCegarLoop was constructing difference of abstraction (18320states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (20341 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 196.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 186.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2450 SDtfs, 18775 SDslu, 2108 SDs, 0 SdLazy, 28820 SolverSat, 6960 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 140.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 274 GetRequests, 250 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18320occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9963852407754845 AbsIntWeakeningRatio, 0.11788617886178862 AbsIntAvgWeakeningVarsNumRemoved, 1033.3373983739837 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 549 NumberOfCodeBlocks, 549 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 545 ConstructedInterpolants, 0 QuantifiedInterpolants, 365860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 169/234 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown