java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label33_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:20:46,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:20:46,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:20:46,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:20:46,616 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:20:46,620 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:20:46,621 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:20:46,624 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:20:46,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:20:46,626 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:20:46,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:20:46,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:20:46,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:20:46,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:20:46,633 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:20:46,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:20:46,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:20:46,637 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:20:46,639 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:20:46,641 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:20:46,642 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:20:46,643 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:20:46,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:20:46,646 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:20:46,646 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:20:46,647 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:20:46,648 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:20:46,649 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:20:46,650 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:20:46,651 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:20:46,652 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:20:46,652 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 18:20:46,655 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 18:20:46,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:20:46,684 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:20:46,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:20:46,687 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:20:46,688 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:20:46,688 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:20:46,688 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:20:46,688 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:20:46,688 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:20:46,689 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:20:46,689 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:20:46,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:20:46,690 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:20:46,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:20:46,691 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:20:46,691 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:20:46,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:20:46,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:20:46,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:20:46,692 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:20:46,692 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:20:46,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:20:46,694 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:20:46,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:20:46,694 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:20:46,694 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:20:46,695 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:20:46,695 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:20:46,695 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:20:46,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:20:46,696 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:20:46,696 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:20:46,696 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:20:46,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:20:46,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:20:46,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:20:46,769 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:20:46,769 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:20:46,771 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label33_false-unreach-call_false-termination.c [2018-07-23 18:20:47,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770a3d6a5/f22cbce446494b9faffb7f539628c966/FLAG91f758cbf [2018-07-23 18:20:47,407 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:20:47,408 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label33_false-unreach-call_false-termination.c [2018-07-23 18:20:47,430 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770a3d6a5/f22cbce446494b9faffb7f539628c966/FLAG91f758cbf [2018-07-23 18:20:47,446 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770a3d6a5/f22cbce446494b9faffb7f539628c966 [2018-07-23 18:20:47,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:20:47,458 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:20:47,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:20:47,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:20:47,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:20:47,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:20:47" (1/1) ... [2018-07-23 18:20:47,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb69975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:47, skipping insertion in model container [2018-07-23 18:20:47,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:20:47" (1/1) ... [2018-07-23 18:20:47,710 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:20:48,059 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:20:48,078 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:20:48,197 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:20:48,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48 WrapperNode [2018-07-23 18:20:48,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:20:48,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:20:48,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:20:48,234 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:20:48,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:20:48,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:20:48,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:20:48,335 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:20:48,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... [2018-07-23 18:20:48,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:20:48,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:20:48,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:20:48,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:20:48,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:20:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:20:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:20:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:20:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_output [2018-07-23 18:20:51,800 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:20:51,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:20:51 BoogieIcfgContainer [2018-07-23 18:20:51,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:20:51,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:20:51,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:20:51,806 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:20:51,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:20:47" (1/3) ... [2018-07-23 18:20:51,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c5ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:20:51, skipping insertion in model container [2018-07-23 18:20:51,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:20:48" (2/3) ... [2018-07-23 18:20:51,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c5ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:20:51, skipping insertion in model container [2018-07-23 18:20:51,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:20:51" (3/3) ... [2018-07-23 18:20:51,810 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label33_false-unreach-call_false-termination.c [2018-07-23 18:20:51,821 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:20:51,830 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:20:51,883 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:20:51,884 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:20:51,884 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:20:51,884 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:20:51,884 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:20:51,885 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:20:51,885 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:20:51,885 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:20:51,885 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:20:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-23 18:20:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 18:20:51,922 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:20:51,924 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] [2018-07-23 18:20:51,924 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:20:51,928 INFO L82 PathProgramCache]: Analyzing trace with hash 203763864, now seen corresponding path program 1 times [2018-07-23 18:20:51,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:20:51,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:20:51,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:20:51,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:20:51,984 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:20:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:20:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:20:52,727 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:20:52,728 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 18:20:52,728 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:20:52,737 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 18:20:52,753 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 18:20:52,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 18:20:52,757 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-07-23 18:20:54,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:20:54,509 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-23 18:20:54,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:20:54,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-07-23 18:20:54,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:20:54,532 INFO L225 Difference]: With dead ends: 550 [2018-07-23 18:20:54,532 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 18:20:54,539 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 18:20:54,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 18:20:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 18:20:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 18:20:54,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 559 transitions. [2018-07-23 18:20:54,617 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 559 transitions. Word has length 84 [2018-07-23 18:20:54,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:20:54,618 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 559 transitions. [2018-07-23 18:20:54,618 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 18:20:54,618 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 559 transitions. [2018-07-23 18:20:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 18:20:54,624 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:20:54,624 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:20:54,625 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:20:54,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1100985841, now seen corresponding path program 1 times [2018-07-23 18:20:54,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:20:54,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:20:54,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:20:54,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:20:54,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:20:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:20:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:20:54,830 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:20:54,830 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 18:20:54,830 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:20:54,832 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:20:54,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:20:54,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:20:54,834 INFO L87 Difference]: Start difference. First operand 340 states and 559 transitions. Second operand 6 states. [2018-07-23 18:20:56,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:20:56,762 INFO L93 Difference]: Finished difference Result 876 states and 1455 transitions. [2018-07-23 18:20:56,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 18:20:56,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-07-23 18:20:56,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:20:56,770 INFO L225 Difference]: With dead ends: 876 [2018-07-23 18:20:56,771 INFO L226 Difference]: Without dead ends: 542 [2018-07-23 18:20:56,777 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 18:20:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-07-23 18:20:56,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 525. [2018-07-23 18:20:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-07-23 18:20:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 806 transitions. [2018-07-23 18:20:56,831 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 806 transitions. Word has length 95 [2018-07-23 18:20:56,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:20:56,832 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 806 transitions. [2018-07-23 18:20:56,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:20:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 806 transitions. [2018-07-23 18:20:56,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 18:20:56,835 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:20:56,836 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:20:56,836 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:20:56,836 INFO L82 PathProgramCache]: Analyzing trace with hash -670254261, now seen corresponding path program 1 times [2018-07-23 18:20:56,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:20:56,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:20:56,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:20:56,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:20:56,838 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:20:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:20:57,168 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:20:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:20:57,323 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:20:57,324 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:20:57,325 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 97 with the following transitions: [2018-07-23 18:20:57,328 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [30], [34], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [270], [274], [278], [282], [286], [290], [297], [305], [313], [321], [329], [333], [335], [781], [782], [783], [784], [786], [787] [2018-07-23 18:20:57,411 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:20:57,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 18:22:45,522 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 18:22:45,525 INFO L272 AbstractInterpreter]: Visited 87 different actions 151 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 18:22:45,540 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 18:22:55,038 INFO L232 lantSequenceWeakener]: Weakened 94 states. On average, predicates are now at 79.96% of their original sizes. [2018-07-23 18:22:55,038 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 18:22:58,717 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 18:22:58,718 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 18:22:58,718 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-07-23 18:22:58,718 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:22:58,719 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 18:22:58,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 18:22:58,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-07-23 18:22:58,720 INFO L87 Difference]: Start difference. First operand 525 states and 806 transitions. Second operand 17 states. [2018-07-23 18:23:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:23:45,284 INFO L93 Difference]: Finished difference Result 1289 states and 2036 transitions. [2018-07-23 18:23:45,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 18:23:45,285 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 96 [2018-07-23 18:23:45,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:23:45,289 INFO L225 Difference]: With dead ends: 1289 [2018-07-23 18:23:45,289 INFO L226 Difference]: Without dead ends: 583 [2018-07-23 18:23:45,291 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 111 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 18:23:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2018-07-23 18:23:45,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2018-07-23 18:23:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2018-07-23 18:23:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 817 transitions. [2018-07-23 18:23:45,316 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 817 transitions. Word has length 96 [2018-07-23 18:23:45,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:23:45,317 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 817 transitions. [2018-07-23 18:23:45,317 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 18:23:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 817 transitions. [2018-07-23 18:23:45,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 18:23:45,320 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:23:45,320 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-07-23 18:23:45,321 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:23:45,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1739003040, now seen corresponding path program 1 times [2018-07-23 18:23:45,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:23:45,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:45,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:23:45,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:23:45,323 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:23:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:23:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 18:23:45,495 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:23:45,495 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:23:45,495 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-07-23 18:23:45,495 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [29], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [270], [274], [278], [282], [286], [290], [297], [305], [313], [321], [329], [333], [335], [781], [782], [783], [784], [786], [787] [2018-07-23 18:23:45,502 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:23:45,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 18:25:13,731 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 18:25:13,732 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 18:25:13,734 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 18:25:13,734 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:25:13,735 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:25:13,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:25:13,748 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 18:25:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:25:13,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 18:25:13,906 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 18:25:14,107 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:25:14,108 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 18:25:14,115 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 18:25:14,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:25:14 BoogieIcfgContainer [2018-07-23 18:25:14,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:25:14,116 INFO L168 Benchmark]: Toolchain (without parser) took 266658.87 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -824.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-07-23 18:25:14,118 INFO L168 Benchmark]: CDTParser took 0.27 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 18:25:14,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 18:25:14,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 18:25:14,120 INFO L168 Benchmark]: Boogie Preprocessor took 220.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -879.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2018-07-23 18:25:14,121 INFO L168 Benchmark]: RCFGBuilder took 3245.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 133.1 MB). Peak memory consumption was 133.1 MB. Max. memory is 7.1 GB. [2018-07-23 18:25:14,122 INFO L168 Benchmark]: TraceAbstraction took 262313.11 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -130.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-07-23 18:25:14,128 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 100.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 220.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -879.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3245.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 133.1 MB). Peak memory consumption was 133.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262313.11 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -130.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 407]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 407). Cancelled while BasicCegarLoop was analyzing trace of length 115 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 262.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 50.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 1734 SDslu, 695 SDs, 0 SdLazy, 3152 SolverSat, 547 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 127 GetRequests, 84 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=583occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 196.4s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9922061250687696 AbsIntWeakeningRatio, 0.30526315789473685 AbsIntAvgWeakeningVarsNumRemoved, 153.33684210526314 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 106733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 11/17 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/Problem01_label33_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-25-14-148.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label33_false-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-25-14-148.csv Completed graceful shutdown