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/Problem12_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 02:47:52,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 02:47:52,781 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 02:47:52,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 02:47:52,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 02:47:52,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 02:47:52,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 02:47:52,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 02:47:52,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 02:47:52,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 02:47:52,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 02:47:52,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 02:47:52,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 02:47:52,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 02:47:52,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 02:47:52,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 02:47:52,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 02:47:52,810 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 02:47:52,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 02:47:52,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 02:47:52,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 02:47:52,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 02:47:52,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 02:47:52,830 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 02:47:52,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 02:47:52,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 02:47:52,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 02:47:52,832 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 [2018-10-27 02:47:52,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 02:47:52,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 02:47:52,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 02:47:52,858 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 02:47:52,858 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 02:47:52,858 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 02:47:52,859 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 02:47:52,859 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 02:47:52,859 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 02:47:52,859 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 02:47:52,860 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 02:47:52,860 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 02:47:52,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 02:47:52,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 02:47:52,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 02:47:52,861 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 02:47:52,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 02:47:52,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 02:47:52,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 02:47:52,864 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 02:47:52,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 02:47:52,865 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 02:47:52,865 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 02:47:52,865 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 02:47:52,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 02:47:52,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 02:47:52,866 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 02:47:52,866 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 02:47:52,866 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 02:47:52,866 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 02:47:52,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 02:47:52,867 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 02:47:52,869 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 02:47:52,869 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 02:47:52,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 02:47:52,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 02:47:52,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 02:47:52,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 02:47:52,940 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 02:47:52,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label46_true-unreach-call.c [2018-10-27 02:47:53,016 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/22ceb9116/a935f9b0f86a4d778da7cb8390f750de/FLAGe5bfeead0 [2018-10-27 02:47:53,705 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 02:47:53,706 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label46_true-unreach-call.c [2018-10-27 02:47:53,741 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/22ceb9116/a935f9b0f86a4d778da7cb8390f750de/FLAGe5bfeead0 [2018-10-27 02:47:53,763 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/22ceb9116/a935f9b0f86a4d778da7cb8390f750de [2018-10-27 02:47:53,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 02:47:53,780 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 02:47:53,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 02:47:53,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 02:47:53,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 02:47:53,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:47:53" (1/1) ... [2018-10-27 02:47:53,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31151419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:53, skipping insertion in model container [2018-10-27 02:47:53,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:47:53" (1/1) ... [2018-10-27 02:47:53,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 02:47:53,942 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 02:47:55,237 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:47:55,241 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 02:47:55,869 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:47:55,906 INFO L193 MainTranslator]: Completed translation [2018-10-27 02:47:55,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55 WrapperNode [2018-10-27 02:47:55,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 02:47:55,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 02:47:55,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 02:47:55,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 02:47:55,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:55,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 02:47:56,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 02:47:56,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 02:47:56,393 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 02:47:56,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (1/1) ... [2018-10-27 02:47:56,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 02:47:56,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 02:47:56,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 02:47:56,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 02:47:56,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (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 [2018-10-27 02:47:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 02:47:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 02:47:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 02:47:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 02:47:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 02:47:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 02:47:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 02:47:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 02:47:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 02:47:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 02:47:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 02:47:56,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 02:47:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 02:47:56,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 02:48:07,146 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 02:48:07,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:48:07 BoogieIcfgContainer [2018-10-27 02:48:07,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 02:48:07,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 02:48:07,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 02:48:07,151 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 02:48:07,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:47:53" (1/3) ... [2018-10-27 02:48:07,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb78536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:48:07, skipping insertion in model container [2018-10-27 02:48:07,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:47:55" (2/3) ... [2018-10-27 02:48:07,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb78536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:48:07, skipping insertion in model container [2018-10-27 02:48:07,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:48:07" (3/3) ... [2018-10-27 02:48:07,155 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label46_true-unreach-call.c [2018-10-27 02:48:07,165 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 02:48:07,175 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 02:48:07,193 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 02:48:07,239 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 02:48:07,239 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 02:48:07,239 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 02:48:07,240 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 02:48:07,240 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 02:48:07,240 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 02:48:07,240 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 02:48:07,240 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 02:48:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-27 02:48:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 02:48:07,302 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:48:07,303 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:48:07,308 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:48:07,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:48:07,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1952423036, now seen corresponding path program 1 times [2018-10-27 02:48:07,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:48:07,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:07,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:48:07,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:07,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:48:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:48:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:48:07,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:48:07,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 02:48:07,848 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:48:07,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 02:48:07,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 02:48:07,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 02:48:07,876 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 4 states. [2018-10-27 02:48:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:48:21,039 INFO L93 Difference]: Finished difference Result 3234 states and 6255 transitions. [2018-10-27 02:48:21,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 02:48:21,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-10-27 02:48:21,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:48:21,089 INFO L225 Difference]: With dead ends: 3234 [2018-10-27 02:48:21,090 INFO L226 Difference]: Without dead ends: 2388 [2018-10-27 02:48:21,100 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 [2018-10-27 02:48:21,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2018-10-27 02:48:21,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2018-10-27 02:48:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-10-27 02:48:21,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 4022 transitions. [2018-10-27 02:48:21,283 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 4022 transitions. Word has length 68 [2018-10-27 02:48:21,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:48:21,284 INFO L481 AbstractCegarLoop]: Abstraction has 2388 states and 4022 transitions. [2018-10-27 02:48:21,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 02:48:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 4022 transitions. [2018-10-27 02:48:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 02:48:21,296 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:48:21,297 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, 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] [2018-10-27 02:48:21,297 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:48:21,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:48:21,298 INFO L82 PathProgramCache]: Analyzing trace with hash 43116078, now seen corresponding path program 1 times [2018-10-27 02:48:21,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:48:21,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:21,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:48:21,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:21,299 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:48:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:48:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:48:21,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:48:21,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 02:48:21,981 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:48:21,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 02:48:21,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 02:48:21,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 02:48:21,984 INFO L87 Difference]: Start difference. First operand 2388 states and 4022 transitions. Second operand 6 states. [2018-10-27 02:48:35,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:48:35,573 INFO L93 Difference]: Finished difference Result 9453 states and 16261 transitions. [2018-10-27 02:48:35,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 02:48:35,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-10-27 02:48:35,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:48:35,622 INFO L225 Difference]: With dead ends: 9453 [2018-10-27 02:48:35,622 INFO L226 Difference]: Without dead ends: 7071 [2018-10-27 02:48:35,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 02:48:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-10-27 02:48:35,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 7023. [2018-10-27 02:48:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2018-10-27 02:48:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 10536 transitions. [2018-10-27 02:48:35,819 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 10536 transitions. Word has length 168 [2018-10-27 02:48:35,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:48:35,820 INFO L481 AbstractCegarLoop]: Abstraction has 7023 states and 10536 transitions. [2018-10-27 02:48:35,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 02:48:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 10536 transitions. [2018-10-27 02:48:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 02:48:35,829 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:48:35,830 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:48:35,830 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:48:35,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:48:35,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1020213398, now seen corresponding path program 1 times [2018-10-27 02:48:35,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:48:35,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:35,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:48:35,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:35,832 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:48:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:48:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:48:36,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:48:36,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 02:48:36,164 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:48:36,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 02:48:36,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 02:48:36,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 02:48:36,166 INFO L87 Difference]: Start difference. First operand 7023 states and 10536 transitions. Second operand 4 states. [2018-10-27 02:48:52,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:48:52,900 INFO L93 Difference]: Finished difference Result 27807 states and 43318 transitions. [2018-10-27 02:48:52,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 02:48:52,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-10-27 02:48:52,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:48:53,036 INFO L225 Difference]: With dead ends: 27807 [2018-10-27 02:48:53,036 INFO L226 Difference]: Without dead ends: 20790 [2018-10-27 02:48:53,078 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 02:48:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2018-10-27 02:48:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 20790. [2018-10-27 02:48:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20790 states. [2018-10-27 02:48:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 31070 transitions. [2018-10-27 02:48:53,615 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 31070 transitions. Word has length 218 [2018-10-27 02:48:53,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:48:53,616 INFO L481 AbstractCegarLoop]: Abstraction has 20790 states and 31070 transitions. [2018-10-27 02:48:53,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 02:48:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 31070 transitions. [2018-10-27 02:48:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-10-27 02:48:53,653 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:48:53,653 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, 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, 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] [2018-10-27 02:48:53,653 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:48:53,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:48:53,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1511512600, now seen corresponding path program 1 times [2018-10-27 02:48:53,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:48:53,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:53,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:48:53,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:48:53,658 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:48:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:48:54,097 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 02:48:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-27 02:48:54,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 02:48:54,645 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 02:48:54,646 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2018-10-27 02:48:54,648 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2299], [2307], [2311], [2313], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2552], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-27 02:48:54,736 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 02:48:54,736 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 02:48:59,613 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 02:49:56,779 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 02:49:56,781 INFO L272 AbstractInterpreter]: Visited 158 different actions 929 times. Merged at 7 different actions 36 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 2 different actions. Largest state had 26 variables. [2018-10-27 02:49:56,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:49:56,794 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 02:50:02,673 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 78.38% of their original sizes. [2018-10-27 02:50:02,673 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 02:51:09,121 INFO L415 sIntCurrentIteration]: We unified 335 AI predicates to 335 [2018-10-27 02:51:09,121 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 02:51:09,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 02:51:09,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [4] total 25 [2018-10-27 02:51:09,123 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:51:09,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-27 02:51:09,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-27 02:51:09,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2018-10-27 02:51:09,124 INFO L87 Difference]: Start difference. First operand 20790 states and 31070 transitions. Second operand 23 states. Received shutdown request... [2018-10-27 02:51:47,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 02:51:47,127 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 02:51:47,132 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 02:51:47,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:51:47 BoogieIcfgContainer [2018-10-27 02:51:47,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 02:51:47,133 INFO L168 Benchmark]: Toolchain (without parser) took 233355.34 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 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 601.1 MB. Max. memory is 7.1 GB. [2018-10-27 02:51:47,134 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 02:51:47,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2126.49 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: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-10-27 02:51:47,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 484.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 767.6 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 69.0 MB. Max. memory is 7.1 GB. [2018-10-27 02:51:47,137 INFO L168 Benchmark]: Boogie Preprocessor took 286.02 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: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2018-10-27 02:51:47,137 INFO L168 Benchmark]: RCFGBuilder took 10467.75 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 200.8 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -223.1 MB). Peak memory consumption was 673.8 MB. Max. memory is 7.1 GB. [2018-10-27 02:51:47,138 INFO L168 Benchmark]: TraceAbstraction took 219984.55 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 3.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 619.0 MB. Max. memory is 7.1 GB. [2018-10-27 02:51:47,144 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2126.49 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: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 484.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 767.6 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 69.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 286.02 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: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10467.75 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 200.8 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -223.1 MB). Peak memory consumption was 673.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219984.55 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 3.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 619.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (20790states) and FLOYD_HOARE automaton (currently 10 states, 23 states before enhancement),while ReachableStatesComputation was computing reachable states (231 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 219.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 81.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 939 SDtfs, 9495 SDslu, 382 SDs, 0 SdLazy, 14910 SolverSat, 5772 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 46.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 362 GetRequests, 251 SyntacticMatches, 73 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 68.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20790occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 62.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9966383467278986 AbsIntWeakeningRatio, 0.08059701492537313 AbsIntAvgWeakeningVarsNumRemoved, 601.7791044776119 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 599741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 248/362 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown