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/Problem16_label09_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:54:58,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:54:58,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:54:58,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:54:58,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:54:58,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:54:58,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:54:58,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:54:58,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:54:58,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:54:58,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:54:58,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:54:58,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:54:58,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:54:58,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:54:58,911 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:54:58,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:54:58,918 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:54:58,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:54:58,925 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:54:58,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:54:58,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:54:58,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:54:58,950 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:54:58,980 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:54:58,980 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:54:58,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:54:58,982 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:54:58,982 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:54:58,982 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:54:58,982 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:54:58,982 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:54:58,983 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:54:58,983 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:54:58,983 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:54:58,983 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:54:58,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:54:58,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:54:58,984 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:54:58,985 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:54:58,985 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:54:58,985 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:54:58,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:54:58,985 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:54:58,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:54:58,986 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:54:58,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:54:58,986 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:54:58,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:54:58,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:54:58,987 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:54:58,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:54:58,987 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:54:58,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:54:58,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:54:58,988 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:54:58,988 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:54:58,988 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:54:59,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:54:59,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:54:59,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:54:59,060 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:54:59,061 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:54:59,061 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-10-24 21:54:59,129 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f0b86e7c9/cfc93c230e5f4fed8dd5e7ba1d1905fb/FLAG8e784f7f5 [2018-10-24 21:54:59,744 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:54:59,746 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-10-24 21:54:59,777 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f0b86e7c9/cfc93c230e5f4fed8dd5e7ba1d1905fb/FLAG8e784f7f5 [2018-10-24 21:54:59,800 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f0b86e7c9/cfc93c230e5f4fed8dd5e7ba1d1905fb [2018-10-24 21:54:59,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:54:59,813 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:54:59,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:54:59,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:54:59,818 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:54:59,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:59" (1/1) ... [2018-10-24 21:54:59,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e837c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:59, skipping insertion in model container [2018-10-24 21:54:59,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:59" (1/1) ... [2018-10-24 21:54:59,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:54:59,939 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:55:00,650 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:55:00,655 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:55:00,906 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:55:00,930 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:55:00,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00 WrapperNode [2018-10-24 21:55:00,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:55:00,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:55:00,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:55:00,934 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:55:00,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:00,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:55:01,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:55:01,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:55:01,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:55:01,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... [2018-10-24 21:55:01,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:55:01,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:55:01,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:55:01,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:55:01,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:55:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:55:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:55:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:55:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:55:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:55:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:55:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:55:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:55:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:55:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:55:07,904 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:55:07,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:55:07 BoogieIcfgContainer [2018-10-24 21:55:07,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:55:07,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:55:07,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:55:07,909 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:55:07,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:54:59" (1/3) ... [2018-10-24 21:55:07,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f276a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:55:07, skipping insertion in model container [2018-10-24 21:55:07,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:00" (2/3) ... [2018-10-24 21:55:07,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f276a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:55:07, skipping insertion in model container [2018-10-24 21:55:07,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:55:07" (3/3) ... [2018-10-24 21:55:07,913 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label09_true-unreach-call.c [2018-10-24 21:55:07,921 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:55:07,930 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:55:07,947 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:55:07,988 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:55:07,988 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:55:07,988 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:55:07,989 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:55:07,989 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:55:07,989 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:55:07,989 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:55:07,989 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:55:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-24 21:55:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-24 21:55:08,031 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:55:08,032 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] [2018-10-24 21:55:08,034 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:55:08,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:55:08,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1905211356, now seen corresponding path program 1 times [2018-10-24 21:55:08,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:55:08,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:55:08,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:55:08,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:55:08,092 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:55:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:55:08,481 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:55:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:55:08,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:55:08,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:55:08,616 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:55:08,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:55:08,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:55:08,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:55:08,643 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-24 21:55:12,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:55:12,088 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-24 21:55:12,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:55:12,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-10-24 21:55:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:55:12,125 INFO L225 Difference]: With dead ends: 1156 [2018-10-24 21:55:12,125 INFO L226 Difference]: Without dead ends: 744 [2018-10-24 21:55:12,141 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:55:12,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-24 21:55:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-24 21:55:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-24 21:55:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-10-24 21:55:12,278 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 54 [2018-10-24 21:55:12,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:55:12,278 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-10-24 21:55:12,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:55:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-10-24 21:55:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 21:55:12,287 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:55:12,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:55:12,288 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:55:12,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:55:12,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1783759150, now seen corresponding path program 1 times [2018-10-24 21:55:12,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:55:12,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:55:12,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:55:12,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:55:12,290 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:55:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:55:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:55:12,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:55:12,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:55:12,581 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:55:12,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:55:12,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:55:12,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:55:12,584 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-10-24 21:55:20,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:55:20,804 INFO L93 Difference]: Finished difference Result 2189 states and 4061 transitions. [2018-10-24 21:55:20,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:55:20,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-10-24 21:55:20,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:55:20,816 INFO L225 Difference]: With dead ends: 2189 [2018-10-24 21:55:20,816 INFO L226 Difference]: Without dead ends: 1451 [2018-10-24 21:55:20,820 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:55:20,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2018-10-24 21:55:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1441. [2018-10-24 21:55:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1441 states. [2018-10-24 21:55:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2402 transitions. [2018-10-24 21:55:20,887 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2402 transitions. Word has length 126 [2018-10-24 21:55:20,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:55:20,887 INFO L481 AbstractCegarLoop]: Abstraction has 1441 states and 2402 transitions. [2018-10-24 21:55:20,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:55:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2402 transitions. [2018-10-24 21:55:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-24 21:55:20,892 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:55:20,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:55:20,892 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:55:20,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:55:20,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1039509551, now seen corresponding path program 1 times [2018-10-24 21:55:20,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:55:20,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:55:20,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:55:20,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:55:20,894 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:55:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:55:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 21:55:21,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:55:21,096 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:55:21,097 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-10-24 21:55:21,099 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 21:55:21,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:55:21,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:55:23,264 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:55:23,345 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:55:23,346 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 21:55:23,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:55:23,355 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:55:24,644 INFO L232 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 78.45% of their original sizes. [2018-10-24 21:55:24,645 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:55:24,985 INFO L413 sIntCurrentIteration]: We have 154 unified AI predicates [2018-10-24 21:55:24,985 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:55:24,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:55:24,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-10-24 21:55:24,987 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:55:24,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 21:55:24,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 21:55:24,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 21:55:24,988 INFO L87 Difference]: Start difference. First operand 1441 states and 2402 transitions. Second operand 7 states. [2018-10-24 21:56:20,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:56:20,660 INFO L93 Difference]: Finished difference Result 3216 states and 5295 transitions. [2018-10-24 21:56:20,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:56:20,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 155 [2018-10-24 21:56:20,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:56:20,670 INFO L225 Difference]: With dead ends: 3216 [2018-10-24 21:56:20,671 INFO L226 Difference]: Without dead ends: 1781 [2018-10-24 21:56:20,676 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:56:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2018-10-24 21:56:20,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1779. [2018-10-24 21:56:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2018-10-24 21:56:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2747 transitions. [2018-10-24 21:56:20,728 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2747 transitions. Word has length 155 [2018-10-24 21:56:20,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:56:20,728 INFO L481 AbstractCegarLoop]: Abstraction has 1779 states and 2747 transitions. [2018-10-24 21:56:20,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 21:56:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2747 transitions. [2018-10-24 21:56:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-24 21:56:20,733 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:56:20,734 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:56:20,734 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:56:20,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:56:20,734 INFO L82 PathProgramCache]: Analyzing trace with hash 171691597, now seen corresponding path program 1 times [2018-10-24 21:56:20,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:56:20,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:56:20,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:56:20,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:56:20,736 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:56:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:56:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 161 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:56:21,218 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:56:21,218 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:56:21,218 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-10-24 21:56:21,219 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 21:56:21,224 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:56:21,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:56:22,176 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:56:28,303 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:56:28,303 INFO L272 AbstractInterpreter]: Visited 109 different actions 314 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:56:28,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:56:28,310 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:56:30,905 INFO L232 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 77.72% of their original sizes. [2018-10-24 21:56:30,905 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:57:12,035 INFO L413 sIntCurrentIteration]: We have 246 unified AI predicates [2018-10-24 21:57:12,036 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:57:12,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:57:12,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 25 [2018-10-24 21:57:12,036 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:57:12,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-24 21:57:12,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-24 21:57:12,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-10-24 21:57:12,038 INFO L87 Difference]: Start difference. First operand 1779 states and 2747 transitions. Second operand 20 states. Received shutdown request... [2018-10-24 21:59:02,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 21:59:02,576 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:59:02,581 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:59:02,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:59:02 BoogieIcfgContainer [2018-10-24 21:59:02,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:59:02,583 INFO L168 Benchmark]: Toolchain (without parser) took 242770.34 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 1.4 GB in the end (delta: 62.4 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-24 21:59:02,584 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:59:02,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1118.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:59:02,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 385.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -863.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-24 21:59:02,586 INFO L168 Benchmark]: Boogie Preprocessor took 139.04 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:59:02,587 INFO L168 Benchmark]: RCFGBuilder took 6446.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 267.1 MB). Peak memory consumption was 267.1 MB. Max. memory is 7.1 GB. [2018-10-24 21:59:02,588 INFO L168 Benchmark]: TraceAbstraction took 234675.97 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 1.4 GB in the end (delta: 556.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-24 21:59:02,593 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1118.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 385.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -863.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.04 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6446.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 267.1 MB). Peak memory consumption was 267.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 234675.97 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 1.4 GB in the end (delta: 556.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 148). Cancelled while BasicCegarLoop was constructing difference of abstraction (1779states) and FLOYD_HOARE automaton (currently 17 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (559 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 234.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 177.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 697 SDtfs, 4135 SDslu, 520 SDs, 0 SdLazy, 5327 SolverSat, 1333 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 75.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 425 GetRequests, 327 SyntacticMatches, 57 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 45.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1779occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9949547101449275 AbsIntWeakeningRatio, 0.115 AbsIntAvgWeakeningVarsNumRemoved, 361.8225 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 582 NumberOfCodeBlocks, 582 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 429259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 212/280 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown