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_label28_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:24:50,999 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:24:51,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:24:51,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:24:51,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:24:51,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:24:51,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:24:51,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:24:51,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:24:51,020 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:24:51,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:24:51,021 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:24:51,022 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:24:51,023 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:24:51,024 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:24:51,025 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:24:51,026 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:24:51,028 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:24:51,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:24:51,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:24:51,033 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:24:51,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:24:51,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 18:24:51,054 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:24:51,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:24:51,055 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:24:51,056 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:24:51,056 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 18:24:51,084 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:24:51,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:24:51,085 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:24:51,085 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:24:51,085 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:24:51,086 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:24:51,086 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:24:51,086 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:24:51,086 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:24:51,087 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:24:51,087 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:24:51,087 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:24:51,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:24:51,088 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:24:51,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:24:51,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:24:51,088 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:24:51,089 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:24:51,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:24:51,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:24:51,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:24:51,091 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:24:51,091 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:24:51,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:24:51,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:24:51,092 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:24:51,092 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:24:51,092 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:24:51,092 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:24:51,093 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:24:51,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:24:51,093 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:24:51,093 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:24:51,093 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:24:51,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:24:51,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:24:51,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:24:51,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:24:51,191 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:24:51,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label28_false-unreach-call.c [2018-10-24 18:24:51,258 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5ab4bbc68/454bacfc6bfc49b3b3651dc4d1ee8b92/FLAG9db71d771 [2018-10-24 18:24:52,103 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:24:52,104 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label28_false-unreach-call.c [2018-10-24 18:24:52,145 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5ab4bbc68/454bacfc6bfc49b3b3651dc4d1ee8b92/FLAG9db71d771 [2018-10-24 18:24:52,166 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5ab4bbc68/454bacfc6bfc49b3b3651dc4d1ee8b92 [2018-10-24 18:24:52,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:24:52,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:24:52,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:24:52,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:24:52,189 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:24:52,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:24:52" (1/1) ... [2018-10-24 18:24:52,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8de4687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:52, skipping insertion in model container [2018-10-24 18:24:52,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:24:52" (1/1) ... [2018-10-24 18:24:52,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:24:52,422 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:24:54,048 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:24:54,053 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:24:54,753 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:24:54,787 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:24:54,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54 WrapperNode [2018-10-24 18:24:54,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:24:54,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:24:54,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:24:54,789 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:24:54,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:54,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:24:55,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:24:55,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:24:55,404 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:24:55,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (1/1) ... [2018-10-24 18:24:55,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:24:55,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:24:55,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:24:55,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:24:55,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (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 18:24:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:24:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:24:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 18:24:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 18:24:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 18:24:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 18:24:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:24:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:24:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:24:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:24:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:24:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:24:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:24:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:25:08,230 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:25:08,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:25:08 BoogieIcfgContainer [2018-10-24 18:25:08,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:25:08,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:25:08,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:25:08,237 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:25:08,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:24:52" (1/3) ... [2018-10-24 18:25:08,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5791cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:25:08, skipping insertion in model container [2018-10-24 18:25:08,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:24:54" (2/3) ... [2018-10-24 18:25:08,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5791cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:25:08, skipping insertion in model container [2018-10-24 18:25:08,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:25:08" (3/3) ... [2018-10-24 18:25:08,241 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label28_false-unreach-call.c [2018-10-24 18:25:08,252 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:25:08,262 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:25:08,281 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:25:08,336 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:25:08,336 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:25:08,336 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:25:08,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:25:08,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:25:08,337 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:25:08,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:25:08,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:25:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 18:25:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-24 18:25:08,406 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:08,407 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] [2018-10-24 18:25:08,410 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:08,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:08,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1619247140, now seen corresponding path program 1 times [2018-10-24 18:25:08,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:08,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:08,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:08,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:08,478 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:08,858 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:25:08,950 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 18:25:08,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:25:08,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:25:08,953 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:08,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:25:08,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:25:08,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:25:08,982 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 18:25:19,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:25:19,113 INFO L93 Difference]: Finished difference Result 3104 states and 5729 transitions. [2018-10-24 18:25:19,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:25:19,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-10-24 18:25:19,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:25:19,151 INFO L225 Difference]: With dead ends: 3104 [2018-10-24 18:25:19,152 INFO L226 Difference]: Without dead ends: 1982 [2018-10-24 18:25:19,164 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 18:25:19,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2018-10-24 18:25:19,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1965. [2018-10-24 18:25:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2018-10-24 18:25:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3515 transitions. [2018-10-24 18:25:19,326 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 3515 transitions. Word has length 22 [2018-10-24 18:25:19,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:25:19,327 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 3515 transitions. [2018-10-24 18:25:19,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:25:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3515 transitions. [2018-10-24 18:25:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-24 18:25:19,337 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:19,337 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] [2018-10-24 18:25:19,337 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:19,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:19,339 INFO L82 PathProgramCache]: Analyzing trace with hash 163198400, now seen corresponding path program 1 times [2018-10-24 18:25:19,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:19,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:19,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:19,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:19,341 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:25:19,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:25:19,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:25:19,825 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:19,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:25:19,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:25:19,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:25:19,829 INFO L87 Difference]: Start difference. First operand 1965 states and 3515 transitions. Second operand 5 states. [2018-10-24 18:25:37,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:25:37,034 INFO L93 Difference]: Finished difference Result 5645 states and 10294 transitions. [2018-10-24 18:25:37,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:25:37,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2018-10-24 18:25:37,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:25:37,066 INFO L225 Difference]: With dead ends: 5645 [2018-10-24 18:25:37,066 INFO L226 Difference]: Without dead ends: 3686 [2018-10-24 18:25:37,076 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:25:37,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2018-10-24 18:25:37,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3654. [2018-10-24 18:25:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3654 states. [2018-10-24 18:25:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5960 transitions. [2018-10-24 18:25:37,196 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5960 transitions. Word has length 92 [2018-10-24 18:25:37,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:25:37,197 INFO L481 AbstractCegarLoop]: Abstraction has 3654 states and 5960 transitions. [2018-10-24 18:25:37,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:25:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5960 transitions. [2018-10-24 18:25:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-24 18:25:37,202 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:37,202 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] [2018-10-24 18:25:37,203 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:37,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:37,205 INFO L82 PathProgramCache]: Analyzing trace with hash -997681060, now seen corresponding path program 1 times [2018-10-24 18:25:37,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:37,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:37,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:37,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:37,208 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:25:37,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:25:37,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:25:37,427 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:37,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:25:37,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:25:37,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:25:37,428 INFO L87 Difference]: Start difference. First operand 3654 states and 5960 transitions. Second operand 5 states. [2018-10-24 18:25:50,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:25:50,232 INFO L93 Difference]: Finished difference Result 10941 states and 18366 transitions. [2018-10-24 18:25:50,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:25:50,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-10-24 18:25:50,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:25:50,276 INFO L225 Difference]: With dead ends: 10941 [2018-10-24 18:25:50,277 INFO L226 Difference]: Without dead ends: 7293 [2018-10-24 18:25:50,291 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:25:50,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2018-10-24 18:25:50,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 7138. [2018-10-24 18:25:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7138 states. [2018-10-24 18:25:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7138 states to 7138 states and 10865 transitions. [2018-10-24 18:25:50,489 INFO L78 Accepts]: Start accepts. Automaton has 7138 states and 10865 transitions. Word has length 94 [2018-10-24 18:25:50,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:25:50,490 INFO L481 AbstractCegarLoop]: Abstraction has 7138 states and 10865 transitions. [2018-10-24 18:25:50,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:25:50,490 INFO L276 IsEmpty]: Start isEmpty. Operand 7138 states and 10865 transitions. [2018-10-24 18:25:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-24 18:25:50,495 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:25:50,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:25:50,498 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:25:50,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:50,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1870478224, now seen corresponding path program 1 times [2018-10-24 18:25:50,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:25:50,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:50,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:25:50,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:25:50,500 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:25:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:25:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 18:25:50,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:25:50,669 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:25:50,670 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2018-10-24 18:25:50,672 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2703], [2705], [2708], [2716], [2724], [2732], [2740], [2748], [2756], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [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], [3237], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 18:25:50,737 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:25:50,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:25:55,060 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:25:55,062 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 18:25:55,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:25:55,098 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:25:58,046 INFO L232 lantSequenceWeakener]: Weakened 101 states. On average, predicates are now at 71.51% of their original sizes. [2018-10-24 18:25:58,046 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:25:59,658 INFO L413 sIntCurrentIteration]: We have 115 unified AI predicates [2018-10-24 18:25:59,658 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:25:59,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:25:59,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-24 18:25:59,659 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:25:59,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 18:25:59,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 18:25:59,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 18:25:59,661 INFO L87 Difference]: Start difference. First operand 7138 states and 10865 transitions. Second operand 10 states. [2018-10-24 18:26:27,169 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 18:28:35,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 18:28:35,804 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:28:35,809 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:28:35,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:28:35 BoogieIcfgContainer [2018-10-24 18:28:35,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:28:35,811 INFO L168 Benchmark]: Toolchain (without parser) took 223629.76 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.8 GB). Peak memory consumption was 778.9 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:35,812 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. [2018-10-24 18:28:35,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2604.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:35,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 614.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 810.5 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:35,815 INFO L168 Benchmark]: Boogie Preprocessor took 352.73 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:35,815 INFO L168 Benchmark]: RCFGBuilder took 12475.14 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 188.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -5.4 MB). Peak memory consumption was 670.0 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:35,816 INFO L168 Benchmark]: TraceAbstraction took 207576.46 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 577.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:28:35,822 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 2604.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 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 614.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 810.5 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 352.73 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12475.14 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 188.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -5.4 MB). Peak memory consumption was 670.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207576.46 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 577.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 57). Cancelled while BasicCegarLoop was constructing difference of abstraction (7138states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (5293 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 207.4s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 196.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1777 SDtfs, 9632 SDslu, 1427 SDs, 0 SdLazy, 13549 SolverSat, 3864 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 142.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 142 GetRequests, 115 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7138occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9929364548494984 AbsIntWeakeningRatio, 0.1826086956521739 AbsIntAvgWeakeningVarsNumRemoved, 59.495652173913044 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 204 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 85747 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 34/45 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown