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/Problem17_label58_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 02:09:04,132 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 02:09:04,135 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 02:09:04,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 02:09:04,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 02:09:04,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 02:09:04,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 02:09:04,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 02:09:04,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 02:09:04,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 02:09:04,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 02:09:04,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 02:09:04,166 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 02:09:04,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 02:09:04,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 02:09:04,178 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 02:09:04,179 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 02:09:04,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 02:09:04,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 02:09:04,189 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 02:09:04,190 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 02:09:04,192 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 02:09:04,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 02:09:04,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 02:09:04,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 02:09:04,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 02:09:04,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 02:09:04,203 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 02:09:04,218 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 02:09:04,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 02:09:04,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 02:09:04,219 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 02:09:04,219 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 02:09:04,220 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 02:09:04,220 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 02:09:04,220 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 02:09:04,220 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 02:09:04,220 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 02:09:04,220 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 02:09:04,221 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 02:09:04,221 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 02:09:04,222 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 02:09:04,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 02:09:04,222 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 02:09:04,222 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 02:09:04,222 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 02:09:04,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 02:09:04,223 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 02:09:04,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 02:09:04,223 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 02:09:04,223 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 02:09:04,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 02:09:04,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 02:09:04,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 02:09:04,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 02:09:04,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 02:09:04,225 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 02:09:04,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 02:09:04,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 02:09:04,225 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 02:09:04,225 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 02:09:04,226 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 02:09:04,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 02:09:04,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 02:09:04,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 02:09:04,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 02:09:04,288 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 02:09:04,289 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label58_true-unreach-call.c [2018-10-24 02:09:04,349 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b0d21acb/72787ac90cfd4a408c20d727a1c6a4c7/FLAG7f1ecc189 [2018-10-24 02:09:05,075 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 02:09:05,076 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label58_true-unreach-call.c [2018-10-24 02:09:05,106 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b0d21acb/72787ac90cfd4a408c20d727a1c6a4c7/FLAG7f1ecc189 [2018-10-24 02:09:05,128 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b0d21acb/72787ac90cfd4a408c20d727a1c6a4c7 [2018-10-24 02:09:05,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 02:09:05,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 02:09:05,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 02:09:05,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 02:09:05,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 02:09:05,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:09:05" (1/1) ... [2018-10-24 02:09:05,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31246533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:05, skipping insertion in model container [2018-10-24 02:09:05,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:09:05" (1/1) ... [2018-10-24 02:09:05,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 02:09:05,308 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 02:09:06,402 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:09:06,407 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 02:09:06,876 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:09:06,900 INFO L193 MainTranslator]: Completed translation [2018-10-24 02:09:06,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06 WrapperNode [2018-10-24 02:09:06,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 02:09:06,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 02:09:06,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 02:09:06,902 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 02:09:06,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:06,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 02:09:07,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 02:09:07,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 02:09:07,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 02:09:07,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (1/1) ... [2018-10-24 02:09:07,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 02:09:07,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 02:09:07,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 02:09:07,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 02:09:07,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (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 02:09:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 02:09:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 02:09:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 02:09:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 02:09:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 02:09:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 02:09:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 02:09:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 02:09:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 02:09:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 02:09:20,788 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 02:09:20,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:09:20 BoogieIcfgContainer [2018-10-24 02:09:20,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 02:09:20,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 02:09:20,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 02:09:20,795 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 02:09:20,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:09:05" (1/3) ... [2018-10-24 02:09:20,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24beec34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:09:20, skipping insertion in model container [2018-10-24 02:09:20,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:09:06" (2/3) ... [2018-10-24 02:09:20,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24beec34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:09:20, skipping insertion in model container [2018-10-24 02:09:20,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:09:20" (3/3) ... [2018-10-24 02:09:20,799 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label58_true-unreach-call.c [2018-10-24 02:09:20,810 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 02:09:20,820 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 02:09:20,840 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 02:09:20,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 02:09:20,901 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 02:09:20,901 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 02:09:20,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 02:09:20,902 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 02:09:20,902 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 02:09:20,902 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 02:09:20,902 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 02:09:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 02:09:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-24 02:09:20,973 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:09:20,974 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:09:20,977 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:09:20,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:20,983 INFO L82 PathProgramCache]: Analyzing trace with hash -567488676, now seen corresponding path program 1 times [2018-10-24 02:09:20,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:09:21,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:21,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:21,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:21,037 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:09:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:21,568 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 02:09:21,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:09:21,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 02:09:21,571 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:09:21,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 02:09:21,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 02:09:21,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:09:21,603 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 02:09:36,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:09:36,276 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-10-24 02:09:36,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 02:09:36,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-10-24 02:09:36,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:09:36,319 INFO L225 Difference]: With dead ends: 2162 [2018-10-24 02:09:36,319 INFO L226 Difference]: Without dead ends: 1552 [2018-10-24 02:09:36,334 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:09:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-10-24 02:09:36,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-10-24 02:09:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-10-24 02:09:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-10-24 02:09:36,487 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 52 [2018-10-24 02:09:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:09:36,488 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-10-24 02:09:36,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 02:09:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-10-24 02:09:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-24 02:09:36,505 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:09:36,509 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:09:36,510 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:09:36,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:36,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1938169354, now seen corresponding path program 1 times [2018-10-24 02:09:36,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:09:36,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:36,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:36,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:36,513 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:09:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:09:36,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:09:36,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:09:36,837 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:09:36,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:09:36,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:09:36,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:09:36,840 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-10-24 02:09:58,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:09:58,316 INFO L93 Difference]: Finished difference Result 5786 states and 10682 transitions. [2018-10-24 02:09:58,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:09:58,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-10-24 02:09:58,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:09:58,354 INFO L225 Difference]: With dead ends: 5786 [2018-10-24 02:09:58,354 INFO L226 Difference]: Without dead ends: 4267 [2018-10-24 02:09:58,376 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 02:09:58,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2018-10-24 02:09:58,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4243. [2018-10-24 02:09:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-10-24 02:09:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 6364 transitions. [2018-10-24 02:09:58,527 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 6364 transitions. Word has length 131 [2018-10-24 02:09:58,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:09:58,528 INFO L481 AbstractCegarLoop]: Abstraction has 4243 states and 6364 transitions. [2018-10-24 02:09:58,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:09:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 6364 transitions. [2018-10-24 02:09:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-24 02:09:58,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:09:58,532 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:09:58,533 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:09:58,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:58,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1881840966, now seen corresponding path program 1 times [2018-10-24 02:09:58,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:09:58,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:58,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:58,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:58,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:09:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:58,829 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:09:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:09:58,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:09:58,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:09:58,995 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:09:58,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:09:58,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:09:58,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:09:58,996 INFO L87 Difference]: Start difference. First operand 4243 states and 6364 transitions. Second operand 6 states. [2018-10-24 02:10:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:10:05,011 INFO L93 Difference]: Finished difference Result 12712 states and 20718 transitions. [2018-10-24 02:10:05,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:10:05,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-10-24 02:10:05,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:10:05,087 INFO L225 Difference]: With dead ends: 12712 [2018-10-24 02:10:05,087 INFO L226 Difference]: Without dead ends: 8475 [2018-10-24 02:10:05,116 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 02:10:05,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8475 states. [2018-10-24 02:10:05,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8475 to 8388. [2018-10-24 02:10:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8388 states. [2018-10-24 02:10:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 12574 transitions. [2018-10-24 02:10:05,428 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 12574 transitions. Word has length 132 [2018-10-24 02:10:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:10:05,429 INFO L481 AbstractCegarLoop]: Abstraction has 8388 states and 12574 transitions. [2018-10-24 02:10:05,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:10:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 12574 transitions. [2018-10-24 02:10:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-24 02:10:05,436 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:10:05,437 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:10:05,437 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:10:05,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:10:05,438 INFO L82 PathProgramCache]: Analyzing trace with hash -502912620, now seen corresponding path program 1 times [2018-10-24 02:10:05,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:10:05,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:10:05,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:10:05,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:10:05,440 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:10:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:10:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 91 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 02:10:05,730 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:10:05,730 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:10:05,731 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-10-24 02:10:05,734 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1026], [1028], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1239], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:10:05,809 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:10:05,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:10:07,229 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:10:30,994 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 02:10:30,995 INFO L272 AbstractInterpreter]: Visited 87 different actions 573 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 02:10:31,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:10:31,010 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 02:10:34,364 INFO L232 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 77.22% of their original sizes. [2018-10-24 02:10:34,364 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 02:11:29,106 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 02:11:29,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 02:11:29,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-10-24 02:11:29,108 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:11:29,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-24 02:11:29,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-24 02:11:29,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2018-10-24 02:11:29,111 INFO L87 Difference]: Start difference. First operand 8388 states and 12574 transitions. Second operand 21 states. Received shutdown request... [2018-10-24 02:13:05,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 02:13:05,541 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 02:13:05,546 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 02:13:05,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:13:05 BoogieIcfgContainer [2018-10-24 02:13:05,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 02:13:05,547 INFO L168 Benchmark]: Toolchain (without parser) took 240406.11 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 967.0 MB. Max. memory is 7.1 GB. [2018-10-24 02:13:05,549 INFO L168 Benchmark]: CDTParser took 0.21 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 02:13:05,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1758.19 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 02:13:05,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 479.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -942.1 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. [2018-10-24 02:13:05,552 INFO L168 Benchmark]: Boogie Preprocessor took 279.86 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: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2018-10-24 02:13:05,553 INFO L168 Benchmark]: RCFGBuilder took 13127.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 469.4 MB). Peak memory consumption was 469.4 MB. Max. memory is 7.1 GB. [2018-10-24 02:13:05,554 INFO L168 Benchmark]: TraceAbstraction took 224755.36 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 3.2 GB in the end (delta: -1.4 GB). Peak memory consumption was 471.5 MB. Max. memory is 7.1 GB. [2018-10-24 02:13:05,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1758.19 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 479.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -942.1 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 279.86 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: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13127.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 469.4 MB). Peak memory consumption was 469.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224755.36 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 3.2 GB in the end (delta: -1.4 GB). Peak memory consumption was 471.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 143). Cancelled while BasicCegarLoop was constructing difference of abstraction (8388states) and FLOYD_HOARE automaton (currently 17 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 33 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 224.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 138.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 680 SDtfs, 6592 SDslu, 806 SDs, 0 SdLazy, 9479 SolverSat, 3139 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 70.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 242 GetRequests, 159 SyntacticMatches, 37 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 59.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8388occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 25.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9945065666041275 AbsIntWeakeningRatio, 0.13170731707317074 AbsIntAvgWeakeningVarsNumRemoved, 758.4487804878049 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 138 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 517 ConstructedInterpolants, 0 QuantifiedInterpolants, 266799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 250/255 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown