java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 23:02:49,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 23:02:49,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 23:02:49,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 23:02:49,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 23:02:49,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 23:02:49,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 23:02:49,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 23:02:49,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 23:02:49,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 23:02:49,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 23:02:49,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 23:02:49,623 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 23:02:49,624 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 23:02:49,625 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 23:02:49,626 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 23:02:49,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 23:02:49,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 23:02:49,635 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 23:02:49,640 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 23:02:49,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 23:02:49,645 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 23:02:49,649 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 23:02:49,650 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 23:02:49,650 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 23:02:49,651 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 23:02:49,652 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 23:02:49,652 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 23:02:49,656 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 23:02:49,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 23:02:49,657 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 23:02:49,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 23:02:49,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 23:02:49,658 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 23:02:49,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 23:02:49,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 23:02:49,663 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-06 23:02:49,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 23:02:49,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 23:02:49,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 23:02:49,690 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-06 23:02:49,690 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-06 23:02:49,691 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-06 23:02:49,691 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-06 23:02:49,691 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-06 23:02:49,691 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-06 23:02:49,691 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-06 23:02:49,695 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-06 23:02:49,695 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-06 23:02:49,696 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 23:02:49,696 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 23:02:49,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 23:02:49,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 23:02:49,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 23:02:49,697 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 23:02:49,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 23:02:49,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 23:02:49,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 23:02:49,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 23:02:49,700 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 23:02:49,700 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 23:02:49,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 23:02:49,700 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 23:02:49,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 23:02:49,701 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 23:02:49,701 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-06 23:02:49,701 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 23:02:49,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 23:02:49,701 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 23:02:49,702 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 23:02:49,702 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-06 23:02:49,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 23:02:49,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 23:02:49,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 23:02:49,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 23:02:49,800 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 23:02:49,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c [2018-11-06 23:02:49,865 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6628404/11ed2e1f710342318b787faa9c44370f/FLAGb1c2129d1 [2018-11-06 23:02:50,523 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 23:02:50,529 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label56_false-unreach-call_false-termination.c [2018-11-06 23:02:50,544 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6628404/11ed2e1f710342318b787faa9c44370f/FLAGb1c2129d1 [2018-11-06 23:02:50,565 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6628404/11ed2e1f710342318b787faa9c44370f [2018-11-06 23:02:50,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 23:02:50,580 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 23:02:50,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 23:02:50,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 23:02:50,587 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 23:02:50,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:50" (1/1) ... [2018-11-06 23:02:50,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d73b804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:50, skipping insertion in model container [2018-11-06 23:02:50,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:50" (1/1) ... [2018-11-06 23:02:50,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 23:02:50,659 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 23:02:51,084 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:02:51,098 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 23:02:51,226 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:02:51,245 INFO L193 MainTranslator]: Completed translation [2018-11-06 23:02:51,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51 WrapperNode [2018-11-06 23:02:51,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 23:02:51,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 23:02:51,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 23:02:51,248 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 23:02:51,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 23:02:51,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 23:02:51,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 23:02:51,387 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 23:02:51,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (1/1) ... [2018-11-06 23:02:51,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 23:02:51,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 23:02:51,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 23:02:51,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 23:02:51,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (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 [2018-11-06 23:02:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 23:02:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-06 23:02:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-06 23:02:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-06 23:02:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-06 23:02:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 23:02:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 23:02:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-06 23:02:51,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-06 23:02:55,060 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 23:02:55,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:55 BoogieIcfgContainer [2018-11-06 23:02:55,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 23:02:55,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 23:02:55,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 23:02:55,066 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 23:02:55,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:50" (1/3) ... [2018-11-06 23:02:55,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486f34d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:55, skipping insertion in model container [2018-11-06 23:02:55,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51" (2/3) ... [2018-11-06 23:02:55,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486f34d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:55, skipping insertion in model container [2018-11-06 23:02:55,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:55" (3/3) ... [2018-11-06 23:02:55,070 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label56_false-unreach-call_false-termination.c [2018-11-06 23:02:55,081 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 23:02:55,088 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 23:02:55,102 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 23:02:55,141 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 23:02:55,142 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 23:02:55,142 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 23:02:55,142 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 23:02:55,142 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 23:02:55,142 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 23:02:55,143 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 23:02:55,143 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 23:02:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-06 23:02:55,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-06 23:02:55,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:02:55,180 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:02:55,183 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:02:55,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:02:55,191 INFO L82 PathProgramCache]: Analyzing trace with hash 87067645, now seen corresponding path program 1 times [2018-11-06 23:02:55,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:02:55,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:55,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:02:55,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:55,249 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:02:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:02:55,814 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-06 23:02:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:02:55,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:02:55,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 23:02:55,945 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:02:55,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 23:02:55,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 23:02:55,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 23:02:55,976 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-06 23:02:57,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:02:57,287 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-06 23:02:57,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 23:02:57,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2018-11-06 23:02:57,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:02:57,310 INFO L225 Difference]: With dead ends: 550 [2018-11-06 23:02:57,310 INFO L226 Difference]: Without dead ends: 340 [2018-11-06 23:02:57,317 INFO L604 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 [2018-11-06 23:02:57,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-06 23:02:57,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-06 23:02:57,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-06 23:02:57,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-06 23:02:57,391 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 83 [2018-11-06 23:02:57,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:02:57,392 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-06 23:02:57,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 23:02:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-06 23:02:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-06 23:02:57,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:02:57,399 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:02:57,399 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:02:57,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:02:57,400 INFO L82 PathProgramCache]: Analyzing trace with hash 236043766, now seen corresponding path program 1 times [2018-11-06 23:02:57,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:02:57,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:57,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:02:57,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:57,402 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:02:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:02:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:02:57,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:02:57,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 23:02:57,657 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:02:57,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 23:02:57,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 23:02:57,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 23:02:57,660 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 3 states. [2018-11-06 23:02:58,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:02:58,625 INFO L93 Difference]: Finished difference Result 946 states and 1654 transitions. [2018-11-06 23:02:58,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 23:02:58,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-06 23:02:58,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:02:58,632 INFO L225 Difference]: With dead ends: 946 [2018-11-06 23:02:58,632 INFO L226 Difference]: Without dead ends: 612 [2018-11-06 23:02:58,637 INFO L604 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 [2018-11-06 23:02:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-11-06 23:02:58,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-11-06 23:02:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-06 23:02:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 987 transitions. [2018-11-06 23:02:58,681 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 987 transitions. Word has length 101 [2018-11-06 23:02:58,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:02:58,682 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 987 transitions. [2018-11-06 23:02:58,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 23:02:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 987 transitions. [2018-11-06 23:02:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-06 23:02:58,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:02:58,690 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:02:58,690 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:02:58,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:02:58,690 INFO L82 PathProgramCache]: Analyzing trace with hash 956519722, now seen corresponding path program 1 times [2018-11-06 23:02:58,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:02:58,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:58,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:02:58,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:02:58,692 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:02:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:02:58,967 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-06 23:02:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:02:59,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:02:59,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-06 23:02:59,096 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:02:59,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 23:02:59,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 23:02:59,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-06 23:02:59,098 INFO L87 Difference]: Start difference. First operand 612 states and 987 transitions. Second operand 6 states. [2018-11-06 23:03:00,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:03:00,936 INFO L93 Difference]: Finished difference Result 1625 states and 2647 transitions. [2018-11-06 23:03:00,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 23:03:00,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-06 23:03:00,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:03:00,956 INFO L225 Difference]: With dead ends: 1625 [2018-11-06 23:03:00,957 INFO L226 Difference]: Without dead ends: 1019 [2018-11-06 23:03:00,963 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-06 23:03:00,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-11-06 23:03:01,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1009. [2018-11-06 23:03:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2018-11-06 23:03:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1456 transitions. [2018-11-06 23:03:01,023 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1456 transitions. Word has length 127 [2018-11-06 23:03:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:03:01,024 INFO L480 AbstractCegarLoop]: Abstraction has 1009 states and 1456 transitions. [2018-11-06 23:03:01,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 23:03:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1456 transitions. [2018-11-06 23:03:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-06 23:03:01,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:03:01,030 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 23:03:01,031 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:03:01,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:03:01,031 INFO L82 PathProgramCache]: Analyzing trace with hash 2140307095, now seen corresponding path program 1 times [2018-11-06 23:03:01,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:03:01,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:03:01,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:03:01,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:03:01,033 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:03:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:03:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:03:01,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 23:03:01,614 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-06 23:03:01,615 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-06 23:03:01,619 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [145], [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], [273], [281], [289], [297], [301], [303], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-06 23:03:01,721 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-06 23:03:01,722 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-06 23:03:41,864 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-06 23:03:41,866 INFO L272 AbstractInterpreter]: Visited 87 different actions 152 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-06 23:03:41,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:03:41,900 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-06 23:03:52,176 INFO L227 lantSequenceWeakener]: Weakened 118 states. On average, predicates are now at 80.32% of their original sizes. [2018-11-06 23:03:52,176 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-06 23:04:23,566 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-06 23:04:23,566 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-06 23:04:23,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 23:04:23,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-11-06 23:04:23,567 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:04:23,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-06 23:04:23,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-06 23:04:23,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2018-11-06 23:04:23,569 INFO L87 Difference]: Start difference. First operand 1009 states and 1456 transitions. Second operand 22 states. Received shutdown request... [2018-11-06 23:07:13,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-06 23:07:13,740 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 23:07:13,746 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 23:07:13,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:07:13 BoogieIcfgContainer [2018-11-06 23:07:13,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 23:07:13,748 INFO L168 Benchmark]: Toolchain (without parser) took 263168.31 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -898.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-06 23:07:13,749 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 23:07:13,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.36 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-06 23:07:13,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-06 23:07:13,752 INFO L168 Benchmark]: Boogie Preprocessor took 117.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-11-06 23:07:13,752 INFO L168 Benchmark]: RCFGBuilder took 3556.35 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: 116.1 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2018-11-06 23:07:13,753 INFO L168 Benchmark]: TraceAbstraction took 258684.37 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -223.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-06 23:07:13,759 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.36 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 139.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3556.35 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: 116.1 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258684.37 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -223.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 404]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 404). Cancelled while BasicCegarLoop was constructing difference of abstraction (1009states) and FLOYD_HOARE automaton (currently 29 states, 22 states before enhancement),while ReachableStatesComputation was computing reachable states (648 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 258.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 174.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 382 SDtfs, 1825 SDslu, 215 SDs, 0 SdLazy, 2440 SolverSat, 629 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 176 GetRequests, 125 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 65.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1009occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 40.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9935868302782407 AbsIntWeakeningRatio, 0.2536231884057971 AbsIntAvgWeakeningVarsNumRemoved, 176.55072463768116 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 446 ConstructedInterpolants, 0 QuantifiedInterpolants, 153688 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 116/118 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown