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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:50:30,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:50:30,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:50:30,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:50:30,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:50:30,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:50:30,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:50:30,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:50:30,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:50:30,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:50:30,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:50:30,348 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:50:30,348 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:50:30,350 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:50:30,351 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:50:30,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:50:30,352 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:50:30,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:50:30,356 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:50:30,358 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:50:30,359 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:50:30,360 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:50:30,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 14:50:30,371 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 14:50:30,395 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:50:30,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:50:30,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:50:30,397 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:50:30,398 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:50:30,398 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:50:30,398 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:50:30,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:50:30,399 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:50:30,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:50:30,399 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:50:30,399 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:50:30,399 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:50:30,399 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:50:30,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:50:30,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:50:30,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:50:30,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:50:30,400 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:50:30,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:50:30,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:50:30,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:50:30,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:50:30,401 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:50:30,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:50:30,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:50:30,402 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:50:30,402 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:50:30,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:50:30,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:50:30,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:50:30,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:50:30,467 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:50:30,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-10-24 14:50:30,531 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a3bd75248/db66f557014c40c499926dd8ff826791/FLAG49798a16d [2018-10-24 14:50:31,087 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:50:31,088 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-10-24 14:50:31,104 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a3bd75248/db66f557014c40c499926dd8ff826791/FLAG49798a16d [2018-10-24 14:50:31,120 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a3bd75248/db66f557014c40c499926dd8ff826791 [2018-10-24 14:50:31,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:50:31,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:50:31,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:50:31,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:50:31,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:50:31,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:31,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d4514e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31, skipping insertion in model container [2018-10-24 14:50:31,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:31,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:50:31,222 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:50:31,767 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:50:31,772 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:50:31,889 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:50:31,910 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:50:31,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31 WrapperNode [2018-10-24 14:50:31,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:50:31,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:50:31,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:50:31,913 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:50:31,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:31,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:50:32,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:50:32,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:50:32,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:50:32,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (1/1) ... [2018-10-24 14:50:32,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:50:32,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:50:32,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:50:32,239 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:50:32,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (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 14:50:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:50:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:50:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:50:35,458 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:50:35,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:50:35 BoogieIcfgContainer [2018-10-24 14:50:35,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:50:35,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:50:35,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:50:35,464 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:50:35,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:50:31" (1/3) ... [2018-10-24 14:50:35,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5f7032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:50:35, skipping insertion in model container [2018-10-24 14:50:35,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:50:31" (2/3) ... [2018-10-24 14:50:35,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5f7032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:50:35, skipping insertion in model container [2018-10-24 14:50:35,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:50:35" (3/3) ... [2018-10-24 14:50:35,469 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label22_true-unreach-call_false-termination.c [2018-10-24 14:50:35,481 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:50:35,492 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:50:35,512 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:50:35,552 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:50:35,553 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:50:35,553 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:50:35,553 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:50:35,554 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:50:35,554 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:50:35,554 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:50:35,555 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:50:35,555 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:50:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-24 14:50:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-24 14:50:35,615 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:35,617 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:35,622 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:35,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:35,630 INFO L82 PathProgramCache]: Analyzing trace with hash -472723313, now seen corresponding path program 1 times [2018-10-24 14:50:35,632 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:35,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:35,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:35,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:35,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:36,438 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-24 14:50:37,007 WARN L179 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-10-24 14:50:37,238 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-10-24 14:50:37,576 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-10-24 14:50:37,812 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 14:50:37,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:37,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-24 14:50:37,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 14:50:37,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 14:50:37,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-24 14:50:37,837 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 10 states. [2018-10-24 14:50:38,182 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-24 14:50:40,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:40,396 INFO L93 Difference]: Finished difference Result 636 states and 1117 transitions. [2018-10-24 14:50:40,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 14:50:40,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2018-10-24 14:50:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:40,416 INFO L225 Difference]: With dead ends: 636 [2018-10-24 14:50:40,417 INFO L226 Difference]: Without dead ends: 254 [2018-10-24 14:50:40,422 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2018-10-24 14:50:40,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-10-24 14:50:40,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2018-10-24 14:50:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-10-24 14:50:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 384 transitions. [2018-10-24 14:50:40,478 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 384 transitions. Word has length 128 [2018-10-24 14:50:40,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:40,479 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 384 transitions. [2018-10-24 14:50:40,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 14:50:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 384 transitions. [2018-10-24 14:50:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-24 14:50:40,483 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:40,483 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:40,483 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:40,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:40,484 INFO L82 PathProgramCache]: Analyzing trace with hash -575477785, now seen corresponding path program 1 times [2018-10-24 14:50:40,484 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:40,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:40,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:40,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:40,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:40,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:50:40,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:40,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:50:40,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:40,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:40,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:40,772 INFO L87 Difference]: Start difference. First operand 254 states and 384 transitions. Second operand 4 states. [2018-10-24 14:50:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:42,444 INFO L93 Difference]: Finished difference Result 711 states and 1218 transitions. [2018-10-24 14:50:42,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:42,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2018-10-24 14:50:42,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:42,451 INFO L225 Difference]: With dead ends: 711 [2018-10-24 14:50:42,452 INFO L226 Difference]: Without dead ends: 518 [2018-10-24 14:50:42,454 INFO L605 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 [2018-10-24 14:50:42,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2018-10-24 14:50:42,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2018-10-24 14:50:42,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-10-24 14:50:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 803 transitions. [2018-10-24 14:50:42,484 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 803 transitions. Word has length 133 [2018-10-24 14:50:42,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:42,484 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 803 transitions. [2018-10-24 14:50:42,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 803 transitions. [2018-10-24 14:50:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-24 14:50:42,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:42,490 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:50:42,491 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:42,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:42,492 INFO L82 PathProgramCache]: Analyzing trace with hash -20188448, now seen corresponding path program 1 times [2018-10-24 14:50:42,492 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:42,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:42,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:42,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:42,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 14:50:42,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:42,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:42,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:42,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:42,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:42,672 INFO L87 Difference]: Start difference. First operand 518 states and 803 transitions. Second operand 4 states. [2018-10-24 14:50:44,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:44,010 INFO L93 Difference]: Finished difference Result 1371 states and 2217 transitions. [2018-10-24 14:50:44,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:44,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-10-24 14:50:44,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:44,018 INFO L225 Difference]: With dead ends: 1371 [2018-10-24 14:50:44,018 INFO L226 Difference]: Without dead ends: 914 [2018-10-24 14:50:44,020 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:44,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2018-10-24 14:50:44,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2018-10-24 14:50:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2018-10-24 14:50:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1336 transitions. [2018-10-24 14:50:44,053 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1336 transitions. Word has length 139 [2018-10-24 14:50:44,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:44,054 INFO L481 AbstractCegarLoop]: Abstraction has 914 states and 1336 transitions. [2018-10-24 14:50:44,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1336 transitions. [2018-10-24 14:50:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-24 14:50:44,057 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:44,057 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1] [2018-10-24 14:50:44,058 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:44,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:44,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1310955865, now seen corresponding path program 1 times [2018-10-24 14:50:44,058 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:44,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:44,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:44,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:44,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 14:50:44,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:44,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:50:44,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:44,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:44,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:44,170 INFO L87 Difference]: Start difference. First operand 914 states and 1336 transitions. Second operand 3 states. [2018-10-24 14:50:46,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:46,785 INFO L93 Difference]: Finished difference Result 2163 states and 3283 transitions. [2018-10-24 14:50:46,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:46,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2018-10-24 14:50:46,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:46,795 INFO L225 Difference]: With dead ends: 2163 [2018-10-24 14:50:46,796 INFO L226 Difference]: Without dead ends: 1310 [2018-10-24 14:50:46,800 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:46,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2018-10-24 14:50:46,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2018-10-24 14:50:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2018-10-24 14:50:46,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1965 transitions. [2018-10-24 14:50:46,830 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1965 transitions. Word has length 156 [2018-10-24 14:50:46,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:46,831 INFO L481 AbstractCegarLoop]: Abstraction has 1310 states and 1965 transitions. [2018-10-24 14:50:46,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1965 transitions. [2018-10-24 14:50:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-24 14:50:46,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:46,838 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:50:46,838 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:46,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:46,839 INFO L82 PathProgramCache]: Analyzing trace with hash 796249898, now seen corresponding path program 1 times [2018-10-24 14:50:46,839 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:46,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:46,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:46,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:46,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-24 14:50:47,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:47,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:50:47,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:47,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:47,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:47,032 INFO L87 Difference]: Start difference. First operand 1310 states and 1965 transitions. Second operand 3 states. [2018-10-24 14:50:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:48,663 INFO L93 Difference]: Finished difference Result 3351 states and 5026 transitions. [2018-10-24 14:50:48,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:48,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-10-24 14:50:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:48,673 INFO L225 Difference]: With dead ends: 3351 [2018-10-24 14:50:48,674 INFO L226 Difference]: Without dead ends: 2102 [2018-10-24 14:50:48,676 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:48,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2018-10-24 14:50:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2102. [2018-10-24 14:50:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2102 states. [2018-10-24 14:50:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2947 transitions. [2018-10-24 14:50:48,716 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2947 transitions. Word has length 194 [2018-10-24 14:50:48,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:48,717 INFO L481 AbstractCegarLoop]: Abstraction has 2102 states and 2947 transitions. [2018-10-24 14:50:48,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2947 transitions. [2018-10-24 14:50:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-24 14:50:48,723 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:48,723 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-24 14:50:48,724 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:48,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:48,724 INFO L82 PathProgramCache]: Analyzing trace with hash 836348910, now seen corresponding path program 1 times [2018-10-24 14:50:48,724 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:48,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:48,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:48,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:48,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-24 14:50:48,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:48,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:48,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:48,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:48,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:48,985 INFO L87 Difference]: Start difference. First operand 2102 states and 2947 transitions. Second operand 4 states. [2018-10-24 14:50:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:50,130 INFO L93 Difference]: Finished difference Result 4275 states and 6060 transitions. [2018-10-24 14:50:50,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:50,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2018-10-24 14:50:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:50,142 INFO L225 Difference]: With dead ends: 4275 [2018-10-24 14:50:50,142 INFO L226 Difference]: Without dead ends: 2234 [2018-10-24 14:50:50,145 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2018-10-24 14:50:50,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2234. [2018-10-24 14:50:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2018-10-24 14:50:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 3101 transitions. [2018-10-24 14:50:50,189 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 3101 transitions. Word has length 207 [2018-10-24 14:50:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:50,190 INFO L481 AbstractCegarLoop]: Abstraction has 2234 states and 3101 transitions. [2018-10-24 14:50:50,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 3101 transitions. [2018-10-24 14:50:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-24 14:50:50,197 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:50,197 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-24 14:50:50,198 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:50,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:50,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2083619542, now seen corresponding path program 1 times [2018-10-24 14:50:50,198 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:50,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:50,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:50,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:50,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-24 14:50:50,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:50,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:50,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:50,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:50,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:50,366 INFO L87 Difference]: Start difference. First operand 2234 states and 3101 transitions. Second operand 3 states. [2018-10-24 14:50:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:51,004 INFO L93 Difference]: Finished difference Result 5855 states and 8024 transitions. [2018-10-24 14:50:51,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:51,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2018-10-24 14:50:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:51,015 INFO L225 Difference]: With dead ends: 5855 [2018-10-24 14:50:51,016 INFO L226 Difference]: Without dead ends: 2603 [2018-10-24 14:50:51,020 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:51,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2018-10-24 14:50:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2018-10-24 14:50:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2603 states. [2018-10-24 14:50:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 2965 transitions. [2018-10-24 14:50:51,055 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 2965 transitions. Word has length 210 [2018-10-24 14:50:51,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:51,056 INFO L481 AbstractCegarLoop]: Abstraction has 2603 states and 2965 transitions. [2018-10-24 14:50:51,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 2965 transitions. [2018-10-24 14:50:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-24 14:50:51,062 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:51,062 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:50:51,063 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:51,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2122477055, now seen corresponding path program 1 times [2018-10-24 14:50:51,063 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:51,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:51,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:51,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:51,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-24 14:50:51,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:51,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:50:51,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:51,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:51,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:51,218 INFO L87 Difference]: Start difference. First operand 2603 states and 2965 transitions. Second operand 3 states. [2018-10-24 14:50:51,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:51,892 INFO L93 Difference]: Finished difference Result 6727 states and 7679 transitions. [2018-10-24 14:50:51,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:51,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-10-24 14:50:51,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:51,905 INFO L225 Difference]: With dead ends: 6727 [2018-10-24 14:50:51,906 INFO L226 Difference]: Without dead ends: 3651 [2018-10-24 14:50:51,909 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:51,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2018-10-24 14:50:51,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 3519. [2018-10-24 14:50:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2018-10-24 14:50:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 3912 transitions. [2018-10-24 14:50:51,962 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 3912 transitions. Word has length 224 [2018-10-24 14:50:51,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:51,963 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 3912 transitions. [2018-10-24 14:50:51,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 3912 transitions. [2018-10-24 14:50:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-24 14:50:51,971 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:51,971 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-24 14:50:51,972 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:51,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:51,972 INFO L82 PathProgramCache]: Analyzing trace with hash 393301564, now seen corresponding path program 1 times [2018-10-24 14:50:51,972 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:51,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:51,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:51,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:51,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 216 proven. 27 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-24 14:50:52,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:50:52,237 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 14:50:52,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:52,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:50:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-24 14:50:52,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:50:52,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-24 14:50:52,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 14:50:52,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 14:50:52,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-24 14:50:52,652 INFO L87 Difference]: Start difference. First operand 3519 states and 3912 transitions. Second operand 8 states. [2018-10-24 14:50:57,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:57,853 INFO L93 Difference]: Finished difference Result 6986 states and 7770 transitions. [2018-10-24 14:50:57,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 14:50:57,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 254 [2018-10-24 14:50:57,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:57,854 INFO L225 Difference]: With dead ends: 6986 [2018-10-24 14:50:57,854 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 14:50:57,859 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 14:50:57,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 14:50:57,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 14:50:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 14:50:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 14:50:57,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2018-10-24 14:50:57,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:57,860 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 14:50:57,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 14:50:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 14:50:57,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 14:50:57,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 14:50:58,585 WARN L179 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-10-24 14:50:58,727 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-10-24 14:50:58,730 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-24 14:50:58,730 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-24 14:50:58,731 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,731 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,731 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,731 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,731 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,731 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-24 14:50:58,732 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-24 14:50:58,733 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-24 14:50:58,733 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,733 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,733 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,733 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,733 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,734 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,734 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-24 14:50:58,734 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-24 14:50:58,736 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-24 14:50:58,736 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-24 14:50:58,736 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-24 14:50:58,736 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-24 14:50:58,736 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-24 14:50:58,737 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-24 14:50:58,737 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-24 14:50:58,737 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-24 14:50:58,737 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-24 14:50:58,737 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-24 14:50:58,737 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-24 14:50:58,738 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-24 14:50:58,738 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-24 14:50:58,738 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,738 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,738 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,738 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,738 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-24 14:50:58,739 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-24 14:50:58,740 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-24 14:50:58,740 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse3 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse0 (= ~a21~0 1))) (or (and (= ~a8~0 15) .cse0) (and .cse1 .cse0 .cse2) (and .cse1 .cse3 .cse0) (and .cse0 (= ~a16~0 5)) (and .cse1 (<= ~a21~0 0)) (and .cse3 .cse0 .cse2) (and (= ~a16~0 4) .cse0))) [2018-10-24 14:50:58,740 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,741 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,741 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,741 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,741 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,741 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-24 14:50:58,741 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-24 14:50:58,741 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-24 14:50:58,742 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-24 14:50:58,742 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-24 14:50:58,742 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-24 14:50:58,742 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-24 14:50:58,742 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-24 14:50:58,742 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-24 14:50:58,742 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-24 14:50:58,743 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-24 14:50:58,743 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-24 14:50:58,743 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-24 14:50:58,743 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-24 14:50:58,743 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,743 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,743 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-24 14:50:58,744 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,745 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-24 14:50:58,746 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-24 14:50:58,746 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-24 14:50:58,746 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-24 14:50:58,746 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-24 14:50:58,746 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-24 14:50:58,746 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-24 14:50:58,746 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-24 14:50:58,747 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 14:50:58,747 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-24 14:50:58,747 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-24 14:50:58,747 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-24 14:50:58,747 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-24 14:50:58,747 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-24 14:50:58,747 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-24 14:50:58,748 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-24 14:50:58,748 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,748 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,748 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,748 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse3 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse0 (= ~a21~0 1))) (or (and (= ~a8~0 15) .cse0) (and .cse1 .cse0 .cse2) (and .cse1 .cse3 .cse0) (and .cse0 (= ~a16~0 5)) (and .cse1 (<= ~a21~0 0)) (and .cse3 .cse0 .cse2) (and (= ~a16~0 4) .cse0))) [2018-10-24 14:50:58,748 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,748 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,749 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-24 14:50:58,749 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-24 14:50:58,749 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-24 14:50:58,749 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-24 14:50:58,749 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-24 14:50:58,749 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-24 14:50:58,749 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 14:50:58,750 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-24 14:50:58,751 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-24 14:50:58,752 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-24 14:50:58,753 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,754 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,754 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,754 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,754 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,754 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,754 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-24 14:50:58,754 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-24 14:50:58,755 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-24 14:50:58,755 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-24 14:50:58,755 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-24 14:50:58,755 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-24 14:50:58,755 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-24 14:50:58,755 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-24 14:50:58,755 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-24 14:50:58,756 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-24 14:50:58,756 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-24 14:50:58,756 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-24 14:50:58,756 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 14:50:58,756 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-24 14:50:58,756 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-24 14:50:58,756 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-24 14:50:58,757 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-24 14:50:58,758 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-24 14:50:58,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:50:58 BoogieIcfgContainer [2018-10-24 14:50:58,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:50:58,780 INFO L168 Benchmark]: Toolchain (without parser) took 27648.38 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -282.6 MB). Peak memory consumption was 800.6 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:58,781 INFO L168 Benchmark]: CDTParser took 0.23 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 14:50:58,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:58,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 726.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:58,786 INFO L168 Benchmark]: Boogie Preprocessor took 112.64 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:50:58,786 INFO L168 Benchmark]: RCFGBuilder took 3221.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:58,790 INFO L168 Benchmark]: TraceAbstraction took 23316.09 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 356.5 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 368.9 MB). Peak memory consumption was 725.4 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:58,800 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 778.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 212.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 726.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.64 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3221.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23316.09 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 356.5 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 368.9 MB). Peak memory consumption was 725.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((a8 == 15 && a21 == 1) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (a21 == 1 && a16 == 5)) || (a7 == 1 && a21 <= 0)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (a16 == 4 && a21 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a8 == 15 && a21 == 1) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (a21 == 1 && a16 == 5)) || (a7 == 1 && a21 <= 0)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (a16 == 4 && a21 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 23.2s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 17.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1337 SDtfs, 3143 SDslu, 551 SDs, 0 SdLazy, 5566 SolverSat, 1267 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 265 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3519occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 132 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 94 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1179 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1899 NumberOfCodeBlocks, 1899 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1889 ConstructedInterpolants, 0 QuantifiedInterpolants, 1055052 SizeOfPredicates, 1 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1350/1377 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...