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/Problem13_label24_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:24:24,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:24:24,115 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:24:24,129 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:24:24,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:24:24,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:24:24,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:24:24,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:24:24,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:24:24,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:24:24,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:24:24,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:24:24,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:24:24,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:24:24,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:24:24,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:24:24,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:24:24,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:24:24,148 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:24:24,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:24:24,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:24:24,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:24:24,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 18:24:24,164 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:24:24,165 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:24:24,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:24:24,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:24:24,167 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 18:24:24,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:24:24,192 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:24:24,197 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:24:24,197 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:24:24,197 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:24:24,198 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:24:24,198 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:24:24,198 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:24:24,198 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:24:24,198 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:24:24,199 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:24:24,199 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:24:24,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:24:24,200 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:24:24,200 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:24:24,200 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:24:24,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:24:24,201 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:24:24,201 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:24:24,201 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:24:24,201 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:24:24,203 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:24:24,203 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:24:24,203 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:24:24,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:24:24,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:24:24,204 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:24:24,204 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:24:24,204 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:24:24,204 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:24:24,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:24:24,205 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:24:24,205 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:24:24,205 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:24:24,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:24:24,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:24:24,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:24:24,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:24:24,304 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:24:24,305 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label24_false-unreach-call.c [2018-10-24 18:24:24,381 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4f50b4ceb/6740e94a49f74e1f80e12921289e401e/FLAGd9c08c2ea [2018-10-24 18:24:25,197 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:24:25,198 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label24_false-unreach-call.c [2018-10-24 18:24:25,231 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4f50b4ceb/6740e94a49f74e1f80e12921289e401e/FLAGd9c08c2ea [2018-10-24 18:24:25,249 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4f50b4ceb/6740e94a49f74e1f80e12921289e401e [2018-10-24 18:24:25,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:24:25,265 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:24:25,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:24:25,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:24:25,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:24:25,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:24:25" (1/1) ... [2018-10-24 18:24:25,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357ab04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:25, skipping insertion in model container [2018-10-24 18:24:25,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:24:25" (1/1) ... [2018-10-24 18:24:25,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:24:25,472 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:24:26,911 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:24:26,917 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:24:27,682 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:24:27,728 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:24:27,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27 WrapperNode [2018-10-24 18:24:27,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:24:27,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:24:27,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:24:27,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:24:27,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:27,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:24:28,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:24:28,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:24:28,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:24:28,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (1/1) ... [2018-10-24 18:24:28,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:24:28,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:24:28,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:24:28,657 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:24:28,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (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 18:24:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:24:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:24:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 18:24:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 18:24:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 18:24:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 18:24:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:24:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:24:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:24:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:24:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:24:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:24:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:24:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:24:39,558 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:24:39,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:24:39 BoogieIcfgContainer [2018-10-24 18:24:39,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:24:39,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:24:39,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:24:39,563 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:24:39,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:24:25" (1/3) ... [2018-10-24 18:24:39,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e327290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:24:39, skipping insertion in model container [2018-10-24 18:24:39,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:27" (2/3) ... [2018-10-24 18:24:39,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e327290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:24:39, skipping insertion in model container [2018-10-24 18:24:39,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:24:39" (3/3) ... [2018-10-24 18:24:39,567 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label24_false-unreach-call.c [2018-10-24 18:24:39,576 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:24:39,586 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:24:39,604 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:24:39,652 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:24:39,652 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:24:39,653 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:24:39,653 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:24:39,653 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:24:39,653 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:24:39,653 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:24:39,653 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:24:39,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 18:24:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-24 18:24:39,710 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:24:39,711 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] [2018-10-24 18:24:39,713 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:24:39,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:24:39,719 INFO L82 PathProgramCache]: Analyzing trace with hash -173881988, now seen corresponding path program 1 times [2018-10-24 18:24:39,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:24:39,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:24:39,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:24:39,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:24:39,775 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:24:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:24:40,230 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:24:40,355 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 18:24:40,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:24:40,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:24:40,361 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:24:40,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:24:40,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:24:40,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:24:40,389 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 18:24:50,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:24:50,871 INFO L93 Difference]: Finished difference Result 3101 states and 5730 transitions. [2018-10-24 18:24:50,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:24:50,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-24 18:24:50,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:24:50,916 INFO L225 Difference]: With dead ends: 3101 [2018-10-24 18:24:50,916 INFO L226 Difference]: Without dead ends: 1979 [2018-10-24 18:24:50,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:24:50,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-10-24 18:24:51,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1959. [2018-10-24 18:24:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-10-24 18:24:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3535 transitions. [2018-10-24 18:24:51,090 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3535 transitions. Word has length 36 [2018-10-24 18:24:51,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:24:51,091 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 3535 transitions. [2018-10-24 18:24:51,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:24:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3535 transitions. [2018-10-24 18:24:51,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-24 18:24:51,097 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:24:51,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:24:51,098 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:24:51,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:24:51,099 INFO L82 PathProgramCache]: Analyzing trace with hash 741892396, now seen corresponding path program 1 times [2018-10-24 18:24:51,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:24:51,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:24:51,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:24:51,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:24:51,100 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:24:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:24:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:24:51,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:24:51,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:24:51,425 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:24:51,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:24:51,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:24:51,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:24:51,428 INFO L87 Difference]: Start difference. First operand 1959 states and 3535 transitions. Second operand 5 states. [2018-10-24 18:25:09,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:25:09,977 INFO L93 Difference]: Finished difference Result 5716 states and 10466 transitions. [2018-10-24 18:25:09,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:25:09,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2018-10-24 18:25:09,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:25:10,004 INFO L225 Difference]: With dead ends: 5716 [2018-10-24 18:25:10,004 INFO L226 Difference]: Without dead ends: 3763 [2018-10-24 18:25:10,012 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:25:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2018-10-24 18:25:10,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3680. [2018-10-24 18:25:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3680 states. [2018-10-24 18:25:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 6043 transitions. [2018-10-24 18:25:10,125 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 6043 transitions. Word has length 112 [2018-10-24 18:25:10,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:25:10,125 INFO L481 AbstractCegarLoop]: Abstraction has 3680 states and 6043 transitions. [2018-10-24 18:25:10,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:25:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 6043 transitions. [2018-10-24 18:25:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 18:25:10,129 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:10,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:10,130 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:10,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:10,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2056001431, now seen corresponding path program 1 times [2018-10-24 18:25:10,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:10,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:10,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:10,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:10,132 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:25:10,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:25:10,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:25:10,377 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:10,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:25:10,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:25:10,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:25:10,379 INFO L87 Difference]: Start difference. First operand 3680 states and 6043 transitions. Second operand 6 states. [2018-10-24 18:25:19,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:25:19,670 INFO L93 Difference]: Finished difference Result 10859 states and 18394 transitions. [2018-10-24 18:25:19,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:25:19,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-24 18:25:19,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:25:19,719 INFO L225 Difference]: With dead ends: 10859 [2018-10-24 18:25:19,720 INFO L226 Difference]: Without dead ends: 7185 [2018-10-24 18:25:19,734 INFO L605 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 [2018-10-24 18:25:19,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7185 states. [2018-10-24 18:25:19,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7185 to 7134. [2018-10-24 18:25:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2018-10-24 18:25:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 10915 transitions. [2018-10-24 18:25:19,931 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 10915 transitions. Word has length 113 [2018-10-24 18:25:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:25:19,932 INFO L481 AbstractCegarLoop]: Abstraction has 7134 states and 10915 transitions. [2018-10-24 18:25:19,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:25:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 10915 transitions. [2018-10-24 18:25:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-24 18:25:19,938 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:19,938 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:19,938 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:19,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:19,939 INFO L82 PathProgramCache]: Analyzing trace with hash 449482320, now seen corresponding path program 1 times [2018-10-24 18:25:19,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:19,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:19,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:19,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:19,945 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 18:25:20,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:25:20,394 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:25:20,395 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-10-24 18:25:20,398 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2815], [2817], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 18:25:20,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:25:20,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:25:53,671 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:25:53,672 INFO L272 AbstractInterpreter]: Visited 108 different actions 720 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 18:25:53,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:53,688 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:25:56,676 INFO L232 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 72.45% of their original sizes. [2018-10-24 18:25:56,676 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:26:00,483 INFO L413 sIntCurrentIteration]: We have 136 unified AI predicates [2018-10-24 18:26:00,483 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:26:00,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:26:00,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [5] total 19 [2018-10-24 18:26:00,485 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:26:00,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-24 18:26:00,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-24 18:26:00,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-10-24 18:26:00,487 INFO L87 Difference]: Start difference. First operand 7134 states and 10915 transitions. Second operand 16 states. [2018-10-24 18:26:17,525 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 18:28:00,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-24 18:28:00,757 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:28:00,762 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:28:00,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:28:00 BoogieIcfgContainer [2018-10-24 18:28:00,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:28:00,763 INFO L168 Benchmark]: Toolchain (without parser) took 215500.50 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 2.1 GB in the end (delta: -705.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 18:28:00,765 INFO L168 Benchmark]: CDTParser took 0.52 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 18:28:00,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2463.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:00,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 613.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 798.0 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:00,767 INFO L168 Benchmark]: Boogie Preprocessor took 311.48 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:00,768 INFO L168 Benchmark]: RCFGBuilder took 10902.47 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 211.3 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -29.7 MB). Peak memory consumption was 686.3 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:00,769 INFO L168 Benchmark]: TraceAbstraction took 201203.08 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 101.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 18:28:00,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 2463.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 613.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 798.0 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 311.48 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10902.47 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 211.3 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -29.7 MB). Peak memory consumption was 686.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 201203.08 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 101.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 99). Cancelled while BasicCegarLoop was constructing difference of abstraction (7134states) and FLOYD_HOARE automaton (currently 15 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (3398 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 201.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 158.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1554 SDtfs, 10293 SDslu, 1397 SDs, 0 SdLazy, 14399 SolverSat, 4157 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 83.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7134occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 33.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9934502262443438 AbsIntWeakeningRatio, 0.15441176470588236 AbsIntAvgWeakeningVarsNumRemoved, 568.9926470588235 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 154 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 123653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 62/87 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown