java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label49_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:13:27,548 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:13:27,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:13:27,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:13:27,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:13:27,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:13:27,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:13:27,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:13:27,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:13:27,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:13:27,571 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:13:27,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:13:27,572 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:13:27,573 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:13:27,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:13:27,575 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:13:27,576 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:13:27,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:13:27,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:13:27,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:13:27,583 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:13:27,584 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:13:27,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 18:13:27,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:13:27,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:13:27,597 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:13:27,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:13:27,598 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 18:13:27,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:13:27,615 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:13:27,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:13:27,616 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:13:27,616 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:13:27,616 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:13:27,616 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:13:27,616 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:13:27,617 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:13:27,617 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:13:27,617 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:13:27,617 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:13:27,618 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:13:27,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:13:27,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:13:27,618 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:13:27,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:13:27,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:13:27,619 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:13:27,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:13:27,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:13:27,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:13:27,620 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:13:27,620 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:13:27,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:13:27,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:13:27,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:13:27,621 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:13:27,621 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:13:27,621 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:13:27,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:13:27,622 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:13:27,622 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:13:27,622 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:13:27,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:13:27,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:13:27,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:13:27,686 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:13:27,686 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:13:27,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label49_false-unreach-call.c [2018-10-24 18:13:27,744 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/808364dfa/a321beab2e3c48bf9cbd849556aef208/FLAG06ee9eecd [2018-10-24 18:13:28,331 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:13:28,332 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label49_false-unreach-call.c [2018-10-24 18:13:28,350 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/808364dfa/a321beab2e3c48bf9cbd849556aef208/FLAG06ee9eecd [2018-10-24 18:13:28,366 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/808364dfa/a321beab2e3c48bf9cbd849556aef208 [2018-10-24 18:13:28,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:13:28,379 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:13:28,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:13:28,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:13:28,389 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:13:28,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:13:28" (1/1) ... [2018-10-24 18:13:28,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1652d08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:28, skipping insertion in model container [2018-10-24 18:13:28,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:13:28" (1/1) ... [2018-10-24 18:13:28,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:13:28,502 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:13:29,184 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:13:29,193 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:13:29,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:13:29,421 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:13:29,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29 WrapperNode [2018-10-24 18:13:29,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:13:29,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:13:29,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:13:29,423 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:13:29,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:13:29,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:13:29,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:13:29,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:13:29,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... [2018-10-24 18:13:29,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:13:29,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:13:29,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:13:29,876 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:13:29,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:13:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:13:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:13:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:13:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:13:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:13:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:13:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:13:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:13:34,656 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:13:34,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:13:34 BoogieIcfgContainer [2018-10-24 18:13:34,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:13:34,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:13:34,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:13:34,663 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:13:34,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:13:28" (1/3) ... [2018-10-24 18:13:34,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36134513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:13:34, skipping insertion in model container [2018-10-24 18:13:34,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:13:29" (2/3) ... [2018-10-24 18:13:34,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36134513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:13:34, skipping insertion in model container [2018-10-24 18:13:34,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:13:34" (3/3) ... [2018-10-24 18:13:34,667 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label49_false-unreach-call.c [2018-10-24 18:13:34,677 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:13:34,687 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:13:34,704 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:13:34,744 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:13:34,745 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:13:34,745 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:13:34,745 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:13:34,745 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:13:34,745 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:13:34,746 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:13:34,746 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:13:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 18:13:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-24 18:13:34,782 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:34,784 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] [2018-10-24 18:13:34,786 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:34,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:34,792 INFO L82 PathProgramCache]: Analyzing trace with hash 607667828, now seen corresponding path program 1 times [2018-10-24 18:13:34,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:34,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:34,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:34,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:34,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:35,245 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 18:13:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:13:35,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:13:35,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 18:13:35,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:13:35,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 18:13:35,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 18:13:35,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:13:35,281 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-24 18:13:38,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:13:38,626 INFO L93 Difference]: Finished difference Result 979 states and 1754 transitions. [2018-10-24 18:13:38,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 18:13:38,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-10-24 18:13:38,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:13:38,654 INFO L225 Difference]: With dead ends: 979 [2018-10-24 18:13:38,654 INFO L226 Difference]: Without dead ends: 680 [2018-10-24 18:13:38,664 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 18:13:38,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-10-24 18:13:38,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 484. [2018-10-24 18:13:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-10-24 18:13:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 730 transitions. [2018-10-24 18:13:38,766 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 730 transitions. Word has length 26 [2018-10-24 18:13:38,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:13:38,767 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 730 transitions. [2018-10-24 18:13:38,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 18:13:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 730 transitions. [2018-10-24 18:13:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-24 18:13:38,772 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:38,773 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:13:38,773 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:38,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:38,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1295386141, now seen corresponding path program 1 times [2018-10-24 18:13:38,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:38,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:38,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:38,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:38,776 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:13:39,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:13:39,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:13:39,109 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:13:39,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:13:39,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:13:39,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:13:39,114 INFO L87 Difference]: Start difference. First operand 484 states and 730 transitions. Second operand 6 states. [2018-10-24 18:13:43,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:13:43,355 INFO L93 Difference]: Finished difference Result 1555 states and 2493 transitions. [2018-10-24 18:13:43,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:13:43,367 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-10-24 18:13:43,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:13:43,377 INFO L225 Difference]: With dead ends: 1555 [2018-10-24 18:13:43,377 INFO L226 Difference]: Without dead ends: 1077 [2018-10-24 18:13:43,381 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 18:13:43,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2018-10-24 18:13:43,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1063. [2018-10-24 18:13:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1063 states. [2018-10-24 18:13:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1592 transitions. [2018-10-24 18:13:43,433 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1592 transitions. Word has length 99 [2018-10-24 18:13:43,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:13:43,433 INFO L481 AbstractCegarLoop]: Abstraction has 1063 states and 1592 transitions. [2018-10-24 18:13:43,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:13:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1592 transitions. [2018-10-24 18:13:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-24 18:13:43,437 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:43,438 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:13:43,438 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:43,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:43,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1512167944, now seen corresponding path program 1 times [2018-10-24 18:13:43,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:43,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:43,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:43,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:43,440 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:13:43,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:13:43,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-24 18:13:43,848 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:13:43,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 18:13:43,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 18:13:43,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 18:13:43,850 INFO L87 Difference]: Start difference. First operand 1063 states and 1592 transitions. Second operand 7 states. [2018-10-24 18:13:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:13:49,734 INFO L93 Difference]: Finished difference Result 2979 states and 4525 transitions. [2018-10-24 18:13:49,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 18:13:49,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2018-10-24 18:13:49,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:13:49,752 INFO L225 Difference]: With dead ends: 2979 [2018-10-24 18:13:49,753 INFO L226 Difference]: Without dead ends: 1922 [2018-10-24 18:13:49,760 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-24 18:13:49,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-10-24 18:13:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1813. [2018-10-24 18:13:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2018-10-24 18:13:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2564 transitions. [2018-10-24 18:13:49,833 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2564 transitions. Word has length 100 [2018-10-24 18:13:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:13:49,833 INFO L481 AbstractCegarLoop]: Abstraction has 1813 states and 2564 transitions. [2018-10-24 18:13:49,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 18:13:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2564 transitions. [2018-10-24 18:13:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-24 18:13:49,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:49,837 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:13:49,838 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:49,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:49,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1903858543, now seen corresponding path program 1 times [2018-10-24 18:13:49,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:49,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:49,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:49,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:49,840 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:13:50,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:13:50,598 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:13:50,599 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-10-24 18:13:50,601 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [109], [111], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 18:13:50,682 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:13:50,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:13:55,076 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:14:12,813 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:14:12,815 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 18:14:12,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:14:12,862 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:14:15,679 INFO L232 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 84.62% of their original sizes. [2018-10-24 18:14:15,679 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:15:13,020 INFO L413 sIntCurrentIteration]: We have 157 unified AI predicates [2018-10-24 18:15:13,020 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:15:13,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:15:13,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [8] total 22 [2018-10-24 18:15:13,022 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:15:13,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-24 18:15:13,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-24 18:15:13,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-10-24 18:15:13,024 INFO L87 Difference]: Start difference. First operand 1813 states and 2564 transitions. Second operand 16 states. Received shutdown request... [2018-10-24 18:17:44,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-24 18:17:44,078 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:17:44,089 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:17:44,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:17:44 BoogieIcfgContainer [2018-10-24 18:17:44,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:17:44,090 INFO L168 Benchmark]: Toolchain (without parser) took 255711.78 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 651.3 MB. Max. memory is 7.1 GB. [2018-10-24 18:17:44,091 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:17:44,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1041.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-24 18:17:44,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 313.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -832.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-10-24 18:17:44,094 INFO L168 Benchmark]: Boogie Preprocessor took 138.54 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:17:44,094 INFO L168 Benchmark]: RCFGBuilder took 4782.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:17:44,095 INFO L168 Benchmark]: TraceAbstraction took 249430.35 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -645.1 MB). Peak memory consumption was 507.8 MB. Max. memory is 7.1 GB. [2018-10-24 18:17:44,100 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1041.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 313.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -832.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.54 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4782.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249430.35 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 2.6 GB in the end (delta: -645.1 MB). Peak memory consumption was 507.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 63). Cancelled while BasicCegarLoop was constructing difference of abstraction (1813states) and FLOYD_HOARE automaton (currently 18 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (505 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 249.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 164.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 545 SDtfs, 3857 SDslu, 580 SDs, 0 SdLazy, 5755 SolverSat, 1367 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 193 GetRequests, 104 SyntacticMatches, 49 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 62.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1813occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 22.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9942708859906313 AbsIntWeakeningRatio, 0.1464968152866242 AbsIntAvgWeakeningVarsNumRemoved, 1028.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 319 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 379 ConstructedInterpolants, 0 QuantifiedInterpolants, 368100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 51/57 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown