java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:30:20,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:30:20,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:30:20,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:30:20,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:30:20,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:30:20,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:30:20,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:30:20,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:30:20,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:30:20,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:30:20,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:30:20,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:30:20,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:30:20,705 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:30:20,705 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:30:20,706 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:30:20,708 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:30:20,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:30:20,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:30:20,713 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:30:20,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:30:20,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 20:30:20,729 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 20:30:20,752 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:30:20,752 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:30:20,753 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:30:20,754 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:30:20,754 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:30:20,754 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:30:20,754 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:30:20,754 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:30:20,754 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:30:20,755 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:30:20,755 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:30:20,756 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:30:20,756 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:30:20,756 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:30:20,757 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:30:20,757 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:30:20,757 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:30:20,757 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:30:20,757 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:30:20,758 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:30:20,758 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:30:20,758 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:30:20,758 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:30:20,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:30:20,761 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:30:20,761 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:30:20,761 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:30:20,762 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:30:20,762 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:30:20,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:30:20,762 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:30:20,762 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:30:20,763 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:30:20,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:30:20,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:30:20,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:30:20,845 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:30:20,846 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:30:20,847 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label00_true-unreach-call.c [2018-07-23 20:30:21,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee57d7264/364c3eddeef44912856f3a9025102c4d/FLAG779db87ac [2018-07-23 20:30:21,582 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:30:21,583 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label00_true-unreach-call.c [2018-07-23 20:30:21,613 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee57d7264/364c3eddeef44912856f3a9025102c4d/FLAG779db87ac [2018-07-23 20:30:21,640 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee57d7264/364c3eddeef44912856f3a9025102c4d [2018-07-23 20:30:21,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:30:21,656 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:30:21,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:30:21,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:30:21,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:30:21,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:30:21" (1/1) ... [2018-07-23 20:30:21,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e225eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:21, skipping insertion in model container [2018-07-23 20:30:21,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:30:21" (1/1) ... [2018-07-23 20:30:21,971 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:30:22,457 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:30:22,489 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:30:22,750 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:30:22,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22 WrapperNode [2018-07-23 20:30:22,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:30:22,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:30:22,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:30:22,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:30:22,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:22,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:30:23,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:30:23,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:30:23,009 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:30:23,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... [2018-07-23 20:30:23,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:30:23,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:30:23,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:30:23,395 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:30:23,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:30:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:30:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:30:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 20:30:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 20:30:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:30:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:30:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:30:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:30:28,264 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:30:28,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:30:28 BoogieIcfgContainer [2018-07-23 20:30:28,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:30:28,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:30:28,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:30:28,271 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:30:28,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:30:21" (1/3) ... [2018-07-23 20:30:28,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58102cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:30:28, skipping insertion in model container [2018-07-23 20:30:28,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:30:22" (2/3) ... [2018-07-23 20:30:28,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58102cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:30:28, skipping insertion in model container [2018-07-23 20:30:28,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:30:28" (3/3) ... [2018-07-23 20:30:28,277 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label00_true-unreach-call.c [2018-07-23 20:30:28,290 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:30:28,304 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:30:28,383 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:30:28,384 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:30:28,384 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:30:28,385 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:30:28,385 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:30:28,385 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:30:28,385 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:30:28,385 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:30:28,386 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:30:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-07-23 20:30:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 20:30:28,454 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:30:28,456 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:30:28,456 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:30:28,461 INFO L82 PathProgramCache]: Analyzing trace with hash 612696124, now seen corresponding path program 1 times [2018-07-23 20:30:28,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:30:28,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:28,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:30:28,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:28,517 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:30:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:30:29,361 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:30:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:30:29,538 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:30:29,538 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:30:29,539 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:30:29,547 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:30:29,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:30:29,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:30:29,567 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-07-23 20:30:31,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:30:31,629 INFO L93 Difference]: Finished difference Result 845 states and 1487 transitions. [2018-07-23 20:30:31,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:30:31,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2018-07-23 20:30:31,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:30:31,657 INFO L225 Difference]: With dead ends: 845 [2018-07-23 20:30:31,658 INFO L226 Difference]: Without dead ends: 531 [2018-07-23 20:30:31,667 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:30:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-07-23 20:30:31,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 530. [2018-07-23 20:30:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-07-23 20:30:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 869 transitions. [2018-07-23 20:30:31,768 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 869 transitions. Word has length 199 [2018-07-23 20:30:31,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:30:31,770 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 869 transitions. [2018-07-23 20:30:31,770 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:30:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 869 transitions. [2018-07-23 20:30:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-07-23 20:30:31,780 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:30:31,781 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:30:31,781 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:30:31,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1798317323, now seen corresponding path program 1 times [2018-07-23 20:30:31,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:30:31,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:31,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:30:31,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:31,784 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:30:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:30:32,172 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:30:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:30:32,472 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:30:32,472 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:30:32,472 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:30:32,474 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:30:32,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:30:32,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:30:32,475 INFO L87 Difference]: Start difference. First operand 530 states and 869 transitions. Second operand 6 states. [2018-07-23 20:30:36,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:30:36,859 INFO L93 Difference]: Finished difference Result 1501 states and 2543 transitions. [2018-07-23 20:30:36,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:30:36,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 209 [2018-07-23 20:30:36,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:30:36,870 INFO L225 Difference]: With dead ends: 1501 [2018-07-23 20:30:36,871 INFO L226 Difference]: Without dead ends: 977 [2018-07-23 20:30:36,875 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:30:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2018-07-23 20:30:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 957. [2018-07-23 20:30:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2018-07-23 20:30:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1498 transitions. [2018-07-23 20:30:36,935 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1498 transitions. Word has length 209 [2018-07-23 20:30:36,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:30:36,936 INFO L471 AbstractCegarLoop]: Abstraction has 957 states and 1498 transitions. [2018-07-23 20:30:36,936 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:30:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1498 transitions. [2018-07-23 20:30:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 20:30:36,942 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:30:36,943 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:30:36,943 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:30:36,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2110773816, now seen corresponding path program 1 times [2018-07-23 20:30:36,943 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:30:36,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:36,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:30:36,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:36,945 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:30:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:30:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:30:37,241 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:30:37,242 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:30:37,242 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:30:37,243 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:30:37,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:30:37,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:30:37,244 INFO L87 Difference]: Start difference. First operand 957 states and 1498 transitions. Second operand 3 states. [2018-07-23 20:30:39,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:30:39,893 INFO L93 Difference]: Finished difference Result 2770 states and 4468 transitions. [2018-07-23 20:30:39,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:30:39,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2018-07-23 20:30:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:30:39,909 INFO L225 Difference]: With dead ends: 2770 [2018-07-23 20:30:39,909 INFO L226 Difference]: Without dead ends: 1819 [2018-07-23 20:30:39,914 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:30:39,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-07-23 20:30:39,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1803. [2018-07-23 20:30:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1803 states. [2018-07-23 20:30:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2764 transitions. [2018-07-23 20:30:39,982 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2764 transitions. Word has length 212 [2018-07-23 20:30:39,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:30:39,983 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 2764 transitions. [2018-07-23 20:30:39,983 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:30:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2764 transitions. [2018-07-23 20:30:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 20:30:39,993 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:30:39,994 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:30:39,994 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:30:39,994 INFO L82 PathProgramCache]: Analyzing trace with hash 379225473, now seen corresponding path program 1 times [2018-07-23 20:30:39,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:30:39,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:39,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:30:39,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:30:39,996 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:30:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:30:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:30:40,291 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:30:40,291 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:30:40,292 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-07-23 20:30:40,295 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [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], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1053], [1055], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-07-23 20:30:40,393 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:30:40,394 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 20:34:57,433 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 20:34:57,434 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 20:34:57,436 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 20:34:57,436 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:34:57,436 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 20:34:57,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:34:57,450 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 20:34:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:34:57,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 20:34:57,777 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 20:34:57,978 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 20:34:57,979 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:34:57,987 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:34:57,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:34:57 BoogieIcfgContainer [2018-07-23 20:34:57,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:34:57,989 INFO L168 Benchmark]: Toolchain (without parser) took 276334.47 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 782.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:34:57,994 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-07-23 20:34:57,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1171.84 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. [2018-07-23 20:34:57,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:34:57,998 INFO L168 Benchmark]: Boogie Preprocessor took 385.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -949.0 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2018-07-23 20:34:57,999 INFO L168 Benchmark]: RCFGBuilder took 4871.30 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 283.6 MB). Peak memory consumption was 283.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:34:58,002 INFO L168 Benchmark]: TraceAbstraction took 269720.76 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -642.1 MB). Peak memory consumption was 547.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:34:58,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1171.84 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 178.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 385.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -949.0 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4871.30 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 283.6 MB). Peak memory consumption was 283.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269720.76 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -642.1 MB). Peak memory consumption was 547.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1611]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1611). Cancelled while BasicCegarLoop was analyzing trace of length 231 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, 269.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 9.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 810 SDtfs, 1322 SDslu, 306 SDs, 0 SdLazy, 2374 SolverSat, 777 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1803occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 257.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 333815 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 17/17 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem03_label00_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-34-58-037.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem03_label00_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-34-58-037.csv Completed graceful shutdown