java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:15:51,776 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:15:51,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:15:51,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:15:51,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:15:51,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:15:51,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:15:51,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:15:51,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:15:51,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:15:51,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:15:51,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:15:51,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:15:51,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:15:51,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:15:51,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:15:51,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:15:51,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:15:51,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:15:51,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:15:51,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:15:51,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:15:51,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 03:15:51,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:15:51,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:15:51,830 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:15:51,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:15:51,831 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:15:51,855 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:15:51,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:15:51,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:15:51,858 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:15:51,858 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:15:51,858 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:15:51,858 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:15:51,859 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:15:51,859 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:15:51,859 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:15:51,859 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:15:51,859 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:15:51,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:15:51,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:15:51,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:15:51,861 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:15:51,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:15:51,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:15:51,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:15:51,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:15:51,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:15:51,862 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:15:51,862 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:15:51,863 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:15:51,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:15:51,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:15:51,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:15:51,865 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:15:51,865 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:15:51,865 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:15:51,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:15:51,867 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:15:51,867 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:15:51,867 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:15:51,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:15:51,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:15:51,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:15:51,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:15:51,945 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:15:51,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label13_true-unreach-call.c [2018-11-07 03:15:52,011 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee45d6c9/ed52bbc2007d4a658cc9ecaa3ba670d4/FLAGf0ac92164 [2018-11-07 03:15:52,793 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:15:52,794 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label13_true-unreach-call.c [2018-11-07 03:15:52,841 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee45d6c9/ed52bbc2007d4a658cc9ecaa3ba670d4/FLAGf0ac92164 [2018-11-07 03:15:52,861 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee45d6c9/ed52bbc2007d4a658cc9ecaa3ba670d4 [2018-11-07 03:15:52,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:15:52,876 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:15:52,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:15:52,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:15:52,883 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:15:52,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:15:52" (1/1) ... [2018-11-07 03:15:52,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aafeee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:52, skipping insertion in model container [2018-11-07 03:15:52,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:15:52" (1/1) ... [2018-11-07 03:15:52,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:15:53,075 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:15:54,700 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:15:54,705 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:15:55,576 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:15:55,612 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:15:55,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55 WrapperNode [2018-11-07 03:15:55,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:15:55,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:15:55,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:15:55,615 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:15:55,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:55,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:15:56,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:15:56,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:15:56,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:15:56,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... [2018-11-07 03:15:56,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:15:56,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:15:56,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:15:56,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:15:56,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 03:15:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:15:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:15:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:15:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 03:15:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 03:15:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 03:15:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 03:15:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:15:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:15:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:15:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:15:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:15:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:15:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:15:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:16:08,005 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:16:08,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:16:08 BoogieIcfgContainer [2018-11-07 03:16:08,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:16:08,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:16:08,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:16:08,010 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:16:08,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:15:52" (1/3) ... [2018-11-07 03:16:08,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc58a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:16:08, skipping insertion in model container [2018-11-07 03:16:08,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:15:55" (2/3) ... [2018-11-07 03:16:08,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc58a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:16:08, skipping insertion in model container [2018-11-07 03:16:08,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:16:08" (3/3) ... [2018-11-07 03:16:08,013 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label13_true-unreach-call.c [2018-11-07 03:16:08,023 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:16:08,033 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:16:08,051 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:16:08,100 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:16:08,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:16:08,101 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:16:08,101 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:16:08,101 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:16:08,101 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:16:08,102 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:16:08,102 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:16:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 03:16:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-07 03:16:08,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:16:08,156 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] [2018-11-07 03:16:08,158 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:16:08,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:16:08,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1465464788, now seen corresponding path program 1 times [2018-11-07 03:16:08,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:16:08,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:08,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:16:08,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:08,223 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:16:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:16:08,707 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-11-07 03:16:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:16:08,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:16:08,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:16:08,778 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:16:08,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:16:08,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:16:08,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:16:08,808 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-11-07 03:16:21,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:16:21,156 INFO L93 Difference]: Finished difference Result 4063 states and 7611 transitions. [2018-11-07 03:16:21,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:16:21,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-07 03:16:21,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:16:21,215 INFO L225 Difference]: With dead ends: 4063 [2018-11-07 03:16:21,215 INFO L226 Difference]: Without dead ends: 2937 [2018-11-07 03:16:21,231 INFO L604 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 [2018-11-07 03:16:21,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2018-11-07 03:16:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 1982. [2018-11-07 03:16:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1982 states. [2018-11-07 03:16:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 3456 transitions. [2018-11-07 03:16:21,446 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 3456 transitions. Word has length 64 [2018-11-07 03:16:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:16:21,448 INFO L480 AbstractCegarLoop]: Abstraction has 1982 states and 3456 transitions. [2018-11-07 03:16:21,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:16:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 3456 transitions. [2018-11-07 03:16:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-07 03:16:21,458 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:16:21,459 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:16:21,459 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:16:21,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:16:21,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1113995663, now seen corresponding path program 1 times [2018-11-07 03:16:21,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:16:21,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:21,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:16:21,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:21,463 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:16:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:16:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:16:22,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:16:22,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:16:22,076 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:16:22,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:16:22,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:16:22,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:16:22,082 INFO L87 Difference]: Start difference. First operand 1982 states and 3456 transitions. Second operand 6 states. [2018-11-07 03:16:40,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:16:40,299 INFO L93 Difference]: Finished difference Result 7277 states and 13063 transitions. [2018-11-07 03:16:40,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:16:40,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-07 03:16:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:16:40,335 INFO L225 Difference]: With dead ends: 7277 [2018-11-07 03:16:40,335 INFO L226 Difference]: Without dead ends: 5301 [2018-11-07 03:16:40,346 INFO L604 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 [2018-11-07 03:16:40,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2018-11-07 03:16:40,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5252. [2018-11-07 03:16:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5252 states. [2018-11-07 03:16:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 8253 transitions. [2018-11-07 03:16:40,498 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 8253 transitions. Word has length 135 [2018-11-07 03:16:40,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:16:40,499 INFO L480 AbstractCegarLoop]: Abstraction has 5252 states and 8253 transitions. [2018-11-07 03:16:40,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:16:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 8253 transitions. [2018-11-07 03:16:40,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 03:16:40,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:16:40,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:16:40,512 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:16:40,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:16:40,512 INFO L82 PathProgramCache]: Analyzing trace with hash -303243424, now seen corresponding path program 1 times [2018-11-07 03:16:40,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:16:40,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:40,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:16:40,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:40,514 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:16:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:16:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:16:40,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:16:40,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:16:40,786 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:16:40,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:16:40,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:16:40,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:16:40,787 INFO L87 Difference]: Start difference. First operand 5252 states and 8253 transitions. Second operand 6 states. [2018-11-07 03:16:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:16:53,852 INFO L93 Difference]: Finished difference Result 13914 states and 22498 transitions. [2018-11-07 03:16:53,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:16:53,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-07 03:16:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:16:53,897 INFO L225 Difference]: With dead ends: 13914 [2018-11-07 03:16:53,897 INFO L226 Difference]: Without dead ends: 8668 [2018-11-07 03:16:53,921 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:16:53,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8668 states. [2018-11-07 03:16:54,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8668 to 8605. [2018-11-07 03:16:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8605 states. [2018-11-07 03:16:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8605 states to 8605 states and 12803 transitions. [2018-11-07 03:16:54,142 INFO L78 Accepts]: Start accepts. Automaton has 8605 states and 12803 transitions. Word has length 138 [2018-11-07 03:16:54,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:16:54,146 INFO L480 AbstractCegarLoop]: Abstraction has 8605 states and 12803 transitions. [2018-11-07 03:16:54,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:16:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 8605 states and 12803 transitions. [2018-11-07 03:16:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 03:16:54,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:16:54,151 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:16:54,153 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:16:54,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:16:54,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1626850484, now seen corresponding path program 1 times [2018-11-07 03:16:54,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:16:54,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:54,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:16:54,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:16:54,155 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:16:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:16:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:16:54,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:16:54,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:16:54,377 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:16:54,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:16:54,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:16:54,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:16:54,378 INFO L87 Difference]: Start difference. First operand 8605 states and 12803 transitions. Second operand 5 states. [2018-11-07 03:17:04,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:17:04,304 INFO L93 Difference]: Finished difference Result 25975 states and 40318 transitions. [2018-11-07 03:17:04,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:17:04,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-11-07 03:17:04,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:17:04,406 INFO L225 Difference]: With dead ends: 25975 [2018-11-07 03:17:04,407 INFO L226 Difference]: Without dead ends: 17376 [2018-11-07 03:17:04,439 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:17:04,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17376 states. [2018-11-07 03:17:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17376 to 17113. [2018-11-07 03:17:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17113 states. [2018-11-07 03:17:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17113 states to 17113 states and 24314 transitions. [2018-11-07 03:17:04,885 INFO L78 Accepts]: Start accepts. Automaton has 17113 states and 24314 transitions. Word has length 148 [2018-11-07 03:17:04,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:17:04,886 INFO L480 AbstractCegarLoop]: Abstraction has 17113 states and 24314 transitions. [2018-11-07 03:17:04,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:17:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 17113 states and 24314 transitions. [2018-11-07 03:17:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 03:17:04,891 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:17:04,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:17:04,895 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:17:04,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:17:04,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2091389760, now seen corresponding path program 1 times [2018-11-07 03:17:04,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:17:04,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:04,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:17:04,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:04,897 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:17:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:17:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:17:05,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:17:05,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:17:05,148 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:17:05,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:17:05,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:17:05,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:17:05,151 INFO L87 Difference]: Start difference. First operand 17113 states and 24314 transitions. Second operand 4 states. [2018-11-07 03:17:14,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:17:14,300 INFO L93 Difference]: Finished difference Result 41022 states and 60577 transitions. [2018-11-07 03:17:14,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:17:14,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2018-11-07 03:17:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:17:14,410 INFO L225 Difference]: With dead ends: 41022 [2018-11-07 03:17:14,411 INFO L226 Difference]: Without dead ends: 23915 [2018-11-07 03:17:14,471 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:17:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23915 states. [2018-11-07 03:17:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23915 to 23869. [2018-11-07 03:17:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23869 states. [2018-11-07 03:17:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23869 states to 23869 states and 33727 transitions. [2018-11-07 03:17:14,968 INFO L78 Accepts]: Start accepts. Automaton has 23869 states and 33727 transitions. Word has length 165 [2018-11-07 03:17:14,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:17:14,969 INFO L480 AbstractCegarLoop]: Abstraction has 23869 states and 33727 transitions. [2018-11-07 03:17:14,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:17:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 23869 states and 33727 transitions. [2018-11-07 03:17:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-07 03:17:14,977 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:17:14,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:17:14,977 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:17:14,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:17:14,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1502543096, now seen corresponding path program 1 times [2018-11-07 03:17:14,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:17:14,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:14,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:17:14,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:14,979 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:17:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:17:15,228 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:17:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:17:15,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:17:15,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:17:15,627 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:17:15,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:17:15,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:17:15,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:17:15,630 INFO L87 Difference]: Start difference. First operand 23869 states and 33727 transitions. Second operand 6 states. [2018-11-07 03:17:24,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:17:24,531 INFO L93 Difference]: Finished difference Result 65281 states and 103679 transitions. [2018-11-07 03:17:24,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:17:24,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-07 03:17:24,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:17:24,719 INFO L225 Difference]: With dead ends: 65281 [2018-11-07 03:17:24,719 INFO L226 Difference]: Without dead ends: 41418 [2018-11-07 03:17:24,789 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:17:24,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41418 states. [2018-11-07 03:17:25,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41418 to 41266. [2018-11-07 03:17:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41266 states. [2018-11-07 03:17:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41266 states to 41266 states and 60219 transitions. [2018-11-07 03:17:25,623 INFO L78 Accepts]: Start accepts. Automaton has 41266 states and 60219 transitions. Word has length 174 [2018-11-07 03:17:25,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:17:25,623 INFO L480 AbstractCegarLoop]: Abstraction has 41266 states and 60219 transitions. [2018-11-07 03:17:25,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:17:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 41266 states and 60219 transitions. [2018-11-07 03:17:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-07 03:17:25,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:17:25,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:17:25,639 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:17:25,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:17:25,639 INFO L82 PathProgramCache]: Analyzing trace with hash -621888907, now seen corresponding path program 1 times [2018-11-07 03:17:25,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:17:25,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:25,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:17:25,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:25,641 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:17:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:17:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:17:26,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:17:26,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:17:26,100 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:17:26,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:17:26,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:17:26,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:17:26,101 INFO L87 Difference]: Start difference. First operand 41266 states and 60219 transitions. Second operand 6 states. [2018-11-07 03:17:41,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:17:41,593 INFO L93 Difference]: Finished difference Result 138729 states and 238148 transitions. [2018-11-07 03:17:41,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 03:17:41,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2018-11-07 03:17:41,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:17:42,084 INFO L225 Difference]: With dead ends: 138729 [2018-11-07 03:17:42,084 INFO L226 Difference]: Without dead ends: 97469 [2018-11-07 03:17:42,414 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:17:42,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97469 states. [2018-11-07 03:17:44,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97469 to 96930. [2018-11-07 03:17:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96930 states. [2018-11-07 03:17:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96930 states to 96930 states and 141920 transitions. [2018-11-07 03:17:44,593 INFO L78 Accepts]: Start accepts. Automaton has 96930 states and 141920 transitions. Word has length 222 [2018-11-07 03:17:44,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:17:44,593 INFO L480 AbstractCegarLoop]: Abstraction has 96930 states and 141920 transitions. [2018-11-07 03:17:44,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:17:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 96930 states and 141920 transitions. [2018-11-07 03:17:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-07 03:17:44,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:17:44,634 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, 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] [2018-11-07 03:17:44,634 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:17:44,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:17:44,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1548106794, now seen corresponding path program 1 times [2018-11-07 03:17:44,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:17:44,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:44,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:17:44,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:17:44,636 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:17:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:17:44,964 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:17:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 222 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:17:45,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:17:45,380 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:17:45,381 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-11-07 03:17:45,384 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3039], [3041], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3308], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3358], [3361], [3365], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 03:17:45,462 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:17:45,463 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:17:52,289 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:17:52,291 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 03:17:52,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:17:52,306 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:17:57,101 INFO L227 lantSequenceWeakener]: Weakened 272 states. On average, predicates are now at 71.72% of their original sizes. [2018-11-07 03:17:57,101 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:17:58,539 INFO L415 sIntCurrentIteration]: We unified 294 AI predicates to 294 [2018-11-07 03:17:58,540 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:17:58,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:17:58,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 03:17:58,541 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:17:58,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 03:17:58,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 03:17:58,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-07 03:17:58,543 INFO L87 Difference]: Start difference. First operand 96930 states and 141920 transitions. Second operand 11 states. [2018-11-07 03:18:41,254 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 03:19:26,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 03:19:26,221 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:19:26,225 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:19:26,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:19:26 BoogieIcfgContainer [2018-11-07 03:19:26,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:19:26,227 INFO L168 Benchmark]: Toolchain (without parser) took 213352.05 ms. Allocated memory was 1.6 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -904.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 03:19:26,228 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:19:26,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2736.43 ms. Allocated memory is still 1.6 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. [2018-11-07 03:19:26,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 396.34 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 832.6 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-07 03:19:26,230 INFO L168 Benchmark]: Boogie Preprocessor took 359.73 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:19:26,231 INFO L168 Benchmark]: RCFGBuilder took 11634.67 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 134.2 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 80.8 MB). Peak memory consumption was 647.8 MB. Max. memory is 7.1 GB. [2018-11-07 03:19:26,232 INFO L168 Benchmark]: TraceAbstraction took 198219.51 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -131.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 03:19:26,238 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2736.43 ms. Allocated memory is still 1.6 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 396.34 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 832.6 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 359.73 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11634.67 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 134.2 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 80.8 MB). Peak memory consumption was 647.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 198219.51 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -131.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 183]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 183). Cancelled while BasicCegarLoop was constructing difference of abstraction (96930states) and FLOYD_HOARE automaton (currently 10 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (2490 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 198.1s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 176.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3482 SDtfs, 26840 SDslu, 3597 SDs, 0 SdLazy, 41353 SolverSat, 11865 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 127.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 359 GetRequests, 304 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96930occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9968393511250652 AbsIntWeakeningRatio, 0.10204081632653061 AbsIntAvgWeakeningVarsNumRemoved, 22.738095238095237 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 2067 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 1341 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1333 ConstructedInterpolants, 0 QuantifiedInterpolants, 937094 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 564/566 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown