java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label16_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 19:49:09,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 19:49:09,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 19:49:09,804 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 19:49:09,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 19:49:09,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 19:49:09,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 19:49:09,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 19:49:09,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 19:49:09,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 19:49:09,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 19:49:09,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 19:49:09,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 19:49:09,815 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 19:49:09,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 19:49:09,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 19:49:09,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 19:49:09,819 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 19:49:09,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 19:49:09,823 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 19:49:09,824 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 19:49:09,825 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 19:49:09,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 19:49:09,836 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 19:49:09,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 19:49:09,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 19:49:09,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 19:49:09,851 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 19:49:09,852 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 19:49:09,852 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 19:49:09,852 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 19:49:09,853 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 19:49:09,853 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 19:49:09,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 19:49:09,853 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 19:49:09,853 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 19:49:09,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 19:49:09,854 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 19:49:09,854 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 19:49:09,854 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 19:49:09,854 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 19:49:09,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 19:49:09,855 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 19:49:09,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 19:49:09,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 19:49:09,856 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 19:49:09,856 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 19:49:09,856 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 19:49:09,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 19:49:09,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 19:49:09,857 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 19:49:09,857 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 19:49:09,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 19:49:09,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 19:49:09,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 19:49:09,919 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 19:49:09,920 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 19:49:09,921 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label16_true-unreach-call_false-termination.c [2018-11-06 19:49:09,980 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d85ad82/73c07b27c16c4673b56c17b9cd1735ed/FLAG678215b43 [2018-11-06 19:49:10,610 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 19:49:10,611 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label16_true-unreach-call_false-termination.c [2018-11-06 19:49:10,623 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d85ad82/73c07b27c16c4673b56c17b9cd1735ed/FLAG678215b43 [2018-11-06 19:49:10,639 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d85ad82/73c07b27c16c4673b56c17b9cd1735ed [2018-11-06 19:49:10,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 19:49:10,652 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 19:49:10,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 19:49:10,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 19:49:10,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 19:49:10,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:49:10" (1/1) ... [2018-11-06 19:49:10,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429b8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:10, skipping insertion in model container [2018-11-06 19:49:10,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:49:10" (1/1) ... [2018-11-06 19:49:10,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 19:49:10,729 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 19:49:11,192 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:49:11,197 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 19:49:11,323 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:49:11,343 INFO L193 MainTranslator]: Completed translation [2018-11-06 19:49:11,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11 WrapperNode [2018-11-06 19:49:11,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 19:49:11,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 19:49:11,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 19:49:11,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 19:49:11,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 19:49:11,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 19:49:11,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 19:49:11,539 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 19:49:11,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... [2018-11-06 19:49:11,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 19:49:11,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 19:49:11,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 19:49:11,607 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 19:49:11,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 19:49:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 19:49:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 19:49:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 19:49:14,968 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 19:49:14,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:49:14 BoogieIcfgContainer [2018-11-06 19:49:14,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 19:49:14,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 19:49:14,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 19:49:14,973 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 19:49:14,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:49:10" (1/3) ... [2018-11-06 19:49:14,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332f8962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:49:14, skipping insertion in model container [2018-11-06 19:49:14,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:11" (2/3) ... [2018-11-06 19:49:14,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332f8962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:49:14, skipping insertion in model container [2018-11-06 19:49:14,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:49:14" (3/3) ... [2018-11-06 19:49:14,977 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label16_true-unreach-call_false-termination.c [2018-11-06 19:49:14,988 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 19:49:14,998 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 19:49:15,016 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 19:49:15,055 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 19:49:15,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 19:49:15,056 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 19:49:15,056 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 19:49:15,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 19:49:15,057 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 19:49:15,057 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 19:49:15,057 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 19:49:15,057 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 19:49:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-11-06 19:49:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-06 19:49:15,099 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:15,101 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, 1, 1, 1] [2018-11-06 19:49:15,103 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:15,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:15,110 INFO L82 PathProgramCache]: Analyzing trace with hash 302342455, now seen corresponding path program 1 times [2018-11-06 19:49:15,112 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:15,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:15,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:15,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:15,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:15,862 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-06 19:49:16,371 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-11-06 19:49:16,868 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-06 19:49:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:49:17,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:17,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-06 19:49:17,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-06 19:49:17,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-06 19:49:17,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-11-06 19:49:17,236 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 10 states. [2018-11-06 19:49:20,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:20,049 INFO L93 Difference]: Finished difference Result 636 states and 1117 transitions. [2018-11-06 19:49:20,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-06 19:49:20,052 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2018-11-06 19:49:20,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:20,070 INFO L225 Difference]: With dead ends: 636 [2018-11-06 19:49:20,070 INFO L226 Difference]: Without dead ends: 254 [2018-11-06 19:49:20,076 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2018-11-06 19:49:20,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-06 19:49:20,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2018-11-06 19:49:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-06 19:49:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 384 transitions. [2018-11-06 19:49:20,148 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 384 transitions. Word has length 131 [2018-11-06 19:49:20,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:20,149 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 384 transitions. [2018-11-06 19:49:20,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-06 19:49:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 384 transitions. [2018-11-06 19:49:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-06 19:49:20,152 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:20,153 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, 1, 1, 1] [2018-11-06 19:49:20,153 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:20,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:20,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1455549151, now seen corresponding path program 1 times [2018-11-06 19:49:20,154 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:20,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:20,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:20,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:20,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:49:20,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:20,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 19:49:20,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:49:20,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:49:20,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:49:20,524 INFO L87 Difference]: Start difference. First operand 254 states and 384 transitions. Second operand 4 states. [2018-11-06 19:49:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:22,346 INFO L93 Difference]: Finished difference Result 741 states and 1248 transitions. [2018-11-06 19:49:22,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:49:22,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-11-06 19:49:22,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:22,354 INFO L225 Difference]: With dead ends: 741 [2018-11-06 19:49:22,354 INFO L226 Difference]: Without dead ends: 548 [2018-11-06 19:49:22,356 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:49:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-06 19:49:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 386. [2018-11-06 19:49:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-11-06 19:49:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 588 transitions. [2018-11-06 19:49:22,382 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 588 transitions. Word has length 136 [2018-11-06 19:49:22,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:22,383 INFO L480 AbstractCegarLoop]: Abstraction has 386 states and 588 transitions. [2018-11-06 19:49:22,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:49:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 588 transitions. [2018-11-06 19:49:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-06 19:49:22,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:22,387 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:49:22,387 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:22,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:22,387 INFO L82 PathProgramCache]: Analyzing trace with hash 564651299, now seen corresponding path program 1 times [2018-11-06 19:49:22,387 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:22,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:22,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:22,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:22,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:22,650 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-06 19:49:22,813 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-06 19:49:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:49:22,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:22,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:49:22,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:49:22,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:49:22,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:49:22,894 INFO L87 Difference]: Start difference. First operand 386 states and 588 transitions. Second operand 4 states. [2018-11-06 19:49:24,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:24,030 INFO L93 Difference]: Finished difference Result 975 states and 1626 transitions. [2018-11-06 19:49:24,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:49:24,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-11-06 19:49:24,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:24,041 INFO L225 Difference]: With dead ends: 975 [2018-11-06 19:49:24,041 INFO L226 Difference]: Without dead ends: 517 [2018-11-06 19:49:24,044 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:49:24,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-11-06 19:49:24,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2018-11-06 19:49:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-11-06 19:49:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 700 transitions. [2018-11-06 19:49:24,064 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 700 transitions. Word has length 139 [2018-11-06 19:49:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:24,064 INFO L480 AbstractCegarLoop]: Abstraction has 517 states and 700 transitions. [2018-11-06 19:49:24,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:49:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 700 transitions. [2018-11-06 19:49:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-06 19:49:24,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:24,067 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:49:24,067 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:24,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:24,068 INFO L82 PathProgramCache]: Analyzing trace with hash 84172245, now seen corresponding path program 1 times [2018-11-06 19:49:24,068 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:24,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:24,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:24,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:24,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-06 19:49:24,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:24,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-06 19:49:24,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 19:49:24,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 19:49:24,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 19:49:24,212 INFO L87 Difference]: Start difference. First operand 517 states and 700 transitions. Second operand 3 states. [2018-11-06 19:49:25,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:25,831 INFO L93 Difference]: Finished difference Result 1105 states and 1529 transitions. [2018-11-06 19:49:25,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 19:49:25,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-06 19:49:25,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:25,836 INFO L225 Difference]: With dead ends: 1105 [2018-11-06 19:49:25,836 INFO L226 Difference]: Without dead ends: 649 [2018-11-06 19:49:25,837 INFO L604 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 [2018-11-06 19:49:25,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2018-11-06 19:49:25,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2018-11-06 19:49:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-11-06 19:49:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 856 transitions. [2018-11-06 19:49:25,854 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 856 transitions. Word has length 148 [2018-11-06 19:49:25,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:25,854 INFO L480 AbstractCegarLoop]: Abstraction has 649 states and 856 transitions. [2018-11-06 19:49:25,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 19:49:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 856 transitions. [2018-11-06 19:49:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-06 19:49:25,858 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:25,858 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:49:25,858 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:25,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:25,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1274152159, now seen corresponding path program 1 times [2018-11-06 19:49:25,859 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:25,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:25,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:25,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:25,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:49:26,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:26,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:49:26,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:49:26,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:49:26,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:49:26,090 INFO L87 Difference]: Start difference. First operand 649 states and 856 transitions. Second operand 4 states. [2018-11-06 19:49:28,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:28,227 INFO L93 Difference]: Finished difference Result 1897 states and 2620 transitions. [2018-11-06 19:49:28,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:49:28,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2018-11-06 19:49:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:28,237 INFO L225 Difference]: With dead ends: 1897 [2018-11-06 19:49:28,238 INFO L226 Difference]: Without dead ends: 1309 [2018-11-06 19:49:28,239 INFO L604 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 [2018-11-06 19:49:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2018-11-06 19:49:28,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1309. [2018-11-06 19:49:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1309 states. [2018-11-06 19:49:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1655 transitions. [2018-11-06 19:49:28,269 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1655 transitions. Word has length 152 [2018-11-06 19:49:28,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:28,270 INFO L480 AbstractCegarLoop]: Abstraction has 1309 states and 1655 transitions. [2018-11-06 19:49:28,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:49:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1655 transitions. [2018-11-06 19:49:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-06 19:49:28,275 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:28,275 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:49:28,275 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:28,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:28,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1525939694, now seen corresponding path program 1 times [2018-11-06 19:49:28,276 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:28,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:28,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:28,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:28,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:28,586 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-06 19:49:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:49:29,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:29,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-06 19:49:29,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-06 19:49:29,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-06 19:49:29,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2018-11-06 19:49:29,130 INFO L87 Difference]: Start difference. First operand 1309 states and 1655 transitions. Second operand 12 states. [2018-11-06 19:49:30,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:30,824 INFO L93 Difference]: Finished difference Result 3331 states and 4340 transitions. [2018-11-06 19:49:30,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-06 19:49:30,825 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 169 [2018-11-06 19:49:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:30,836 INFO L225 Difference]: With dead ends: 3331 [2018-11-06 19:49:30,836 INFO L226 Difference]: Without dead ends: 2049 [2018-11-06 19:49:30,839 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2018-11-06 19:49:30,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2018-11-06 19:49:30,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2005. [2018-11-06 19:49:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2005 states. [2018-11-06 19:49:30,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2402 transitions. [2018-11-06 19:49:30,878 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2402 transitions. Word has length 169 [2018-11-06 19:49:30,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:30,878 INFO L480 AbstractCegarLoop]: Abstraction has 2005 states and 2402 transitions. [2018-11-06 19:49:30,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-06 19:49:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2402 transitions. [2018-11-06 19:49:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-06 19:49:30,883 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:30,884 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:49:30,884 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:30,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:30,885 INFO L82 PathProgramCache]: Analyzing trace with hash 641931899, now seen corresponding path program 1 times [2018-11-06 19:49:30,885 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:30,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:30,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:30,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:30,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:31,128 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-06 19:49:31,354 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-06 19:49:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:49:31,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 19:49:31,695 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 19:49:31,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:31,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 19:49:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-06 19:49:32,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 19:49:32,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2018-11-06 19:49:32,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-06 19:49:32,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-06 19:49:32,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-06 19:49:32,055 INFO L87 Difference]: Start difference. First operand 2005 states and 2402 transitions. Second operand 11 states. [2018-11-06 19:49:32,235 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-11-06 19:49:37,216 WARN L179 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-11-06 19:49:40,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:40,350 INFO L93 Difference]: Finished difference Result 7048 states and 8478 transitions. [2018-11-06 19:49:40,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-06 19:49:40,350 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 197 [2018-11-06 19:49:40,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:40,372 INFO L225 Difference]: With dead ends: 7048 [2018-11-06 19:49:40,372 INFO L226 Difference]: Without dead ends: 5104 [2018-11-06 19:49:40,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2018-11-06 19:49:40,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5104 states. [2018-11-06 19:49:40,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5104 to 5088. [2018-11-06 19:49:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5088 states. [2018-11-06 19:49:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 5670 transitions. [2018-11-06 19:49:40,480 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 5670 transitions. Word has length 197 [2018-11-06 19:49:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:40,481 INFO L480 AbstractCegarLoop]: Abstraction has 5088 states and 5670 transitions. [2018-11-06 19:49:40,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-06 19:49:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 5670 transitions. [2018-11-06 19:49:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-06 19:49:40,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:40,494 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-11-06 19:49:40,494 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:40,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:40,495 INFO L82 PathProgramCache]: Analyzing trace with hash 913333823, now seen corresponding path program 1 times [2018-11-06 19:49:40,495 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:40,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:40,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:40,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:40,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-06 19:49:40,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:40,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 19:49:40,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:49:40,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:49:40,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:49:40,828 INFO L87 Difference]: Start difference. First operand 5088 states and 5670 transitions. Second operand 4 states. [2018-11-06 19:49:41,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:41,988 INFO L93 Difference]: Finished difference Result 12359 states and 13847 transitions. [2018-11-06 19:49:41,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 19:49:41,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 272 [2018-11-06 19:49:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:42,016 INFO L225 Difference]: With dead ends: 12359 [2018-11-06 19:49:42,016 INFO L226 Difference]: Without dead ends: 7332 [2018-11-06 19:49:42,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:49:42,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7332 states. [2018-11-06 19:49:42,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7332 to 7332. [2018-11-06 19:49:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7332 states. [2018-11-06 19:49:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7332 states to 7332 states and 8153 transitions. [2018-11-06 19:49:42,159 INFO L78 Accepts]: Start accepts. Automaton has 7332 states and 8153 transitions. Word has length 272 [2018-11-06 19:49:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:42,160 INFO L480 AbstractCegarLoop]: Abstraction has 7332 states and 8153 transitions. [2018-11-06 19:49:42,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:49:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 7332 states and 8153 transitions. [2018-11-06 19:49:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-06 19:49:42,175 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:42,175 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, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-06 19:49:42,175 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:42,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 915165852, now seen corresponding path program 1 times [2018-11-06 19:49:42,176 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:42,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:42,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:42,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:42,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:42,551 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-11-06 19:49:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 232 proven. 27 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-06 19:49:42,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 19:49:42,667 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 19:49:42,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:42,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 19:49:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-06 19:49:42,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 19:49:42,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-11-06 19:49:42,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-06 19:49:42,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-06 19:49:42,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-06 19:49:42,983 INFO L87 Difference]: Start difference. First operand 7332 states and 8153 transitions. Second operand 8 states. [2018-11-06 19:49:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:45,231 INFO L93 Difference]: Finished difference Result 13405 states and 14979 transitions. [2018-11-06 19:49:45,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 19:49:45,231 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 277 [2018-11-06 19:49:45,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:45,232 INFO L225 Difference]: With dead ends: 13405 [2018-11-06 19:49:45,232 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 19:49:45,243 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 277 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-06 19:49:45,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 19:49:45,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 19:49:45,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 19:49:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 19:49:45,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2018-11-06 19:49:45,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:45,244 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 19:49:45,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-06 19:49:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 19:49:45,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 19:49:45,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 19:49:46,003 WARN L179 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-11-06 19:49:46,613 WARN L179 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-11-06 19:49:46,617 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-06 19:49:46,617 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-06 19:49:46,617 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,617 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-06 19:49:46,618 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,619 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-06 19:49:46,620 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-06 19:49:46,621 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-06 19:49:46,622 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-06 19:49:46,623 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-06 19:49:46,623 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-06 19:49:46,623 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-06 19:49:46,623 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-06 19:49:46,623 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-06 19:49:46,623 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-06 19:49:46,623 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-06 19:49:46,624 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse9 (= ~a8~0 15)) (.cse4 (= ~a21~0 1)) (.cse0 (= ~a7~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse7 (not .cse5)) (.cse2 (= ~a17~0 1)) (.cse10 (<= ~a21~0 0)) (.cse1 (= ~a16~0 4)) (.cse6 (<= ~a7~0 0)) (.cse8 (<= 14 ~a8~0)) (.cse11 (or (and .cse9 .cse4) .cse0)) (.cse3 (= ~a12~0 8))) (or (and .cse0 .cse1 (= ~a8~0 13) .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse4) (and .cse7 .cse8 .cse4) (and (not .cse0) .cse9 (or (= 3 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6)) .cse3 .cse4 (not .cse2)) (and .cse9 .cse1 .cse3 .cse4) (and .cse7 .cse10 .cse2) (and .cse10 .cse11 .cse3 .cse5) (and .cse1 .cse4 .cse6) (and (not (= 4 ~a16~0)) (not (= 6 ~a16~0)) .cse8 .cse11 .cse3 .cse4)))) [2018-11-06 19:49:46,624 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,624 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,624 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,624 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,624 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 566) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-06 19:49:46,625 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,626 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-06 19:49:46,627 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,628 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-06 19:49:46,629 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,630 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,631 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,631 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse9 (= ~a8~0 15)) (.cse4 (= ~a21~0 1)) (.cse0 (= ~a7~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse7 (not .cse5)) (.cse2 (= ~a17~0 1)) (.cse10 (<= ~a21~0 0)) (.cse1 (= ~a16~0 4)) (.cse6 (<= ~a7~0 0)) (.cse8 (<= 14 ~a8~0)) (.cse11 (or (and .cse9 .cse4) .cse0)) (.cse3 (= ~a12~0 8))) (or (and .cse0 .cse1 (= ~a8~0 13) .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse4) (and .cse7 .cse8 .cse4) (and (not .cse0) .cse9 (or (= 3 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6)) .cse3 .cse4 (not .cse2)) (and .cse9 .cse1 .cse3 .cse4) (and .cse7 .cse10 .cse2) (and .cse10 .cse11 .cse3 .cse5) (and .cse1 .cse4 .cse6) (and (not (= 4 ~a16~0)) (not (= 6 ~a16~0)) .cse8 .cse11 .cse3 .cse4)))) [2018-11-06 19:49:46,631 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,631 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,631 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-06 19:49:46,631 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-06 19:49:46,631 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,632 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-06 19:49:46,633 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,634 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-06 19:49:46,635 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,636 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-06 19:49:46,637 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-06 19:49:46,638 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:49:46,639 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-06 19:49:46,640 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-06 19:49:46,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:49:46 BoogieIcfgContainer [2018-11-06 19:49:46,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 19:49:46,680 INFO L168 Benchmark]: Toolchain (without parser) took 36028.95 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -761.9 MB). Peak memory consumption was 398.3 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:46,681 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. [2018-11-06 19:49:46,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.09 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:46,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:46,687 INFO L168 Benchmark]: Boogie Preprocessor took 68.48 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. [2018-11-06 19:49:46,687 INFO L168 Benchmark]: RCFGBuilder took 3361.77 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: 117.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:46,688 INFO L168 Benchmark]: TraceAbstraction took 31708.89 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 404.8 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -73.7 MB). Peak memory consumption was 331.1 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:46,699 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 691.09 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 193.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.48 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 3361.77 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: 117.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31708.89 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 404.8 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -73.7 MB). Peak memory consumption was 331.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 566]: 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: (((((((((((((a7 == 1 && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a21 == 1) || ((((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((!(a20 == 1) && a16 == 4) && a21 == 1)) || ((!(a20 == 1) && 14 <= a8) && a21 == 1)) || (((((!(a7 == 1) && a8 == 15) && (((((3 == input || input == 2) || input == 4) || 1 == input) || 5 == input) || input == 6)) && a12 == 8) && a21 == 1) && !(a17 == 1))) || (((a8 == 15 && a16 == 4) && a12 == 8) && a21 == 1)) || ((!(a20 == 1) && a21 <= 0) && a17 == 1)) || (((a21 <= 0 && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && a20 == 1)) || ((a16 == 4 && a21 == 1) && a7 <= 0)) || (((((!(4 == a16) && !(6 == a16)) && 14 <= a8) && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && a21 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((a7 == 1 && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a21 == 1) || ((((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((!(a20 == 1) && a16 == 4) && a21 == 1)) || ((!(a20 == 1) && 14 <= a8) && a21 == 1)) || (((((!(a7 == 1) && a8 == 15) && (((((3 == input || input == 2) || input == 4) || 1 == input) || 5 == input) || input == 6)) && a12 == 8) && a21 == 1) && !(a17 == 1))) || (((a8 == 15 && a16 == 4) && a12 == 8) && a21 == 1)) || ((!(a20 == 1) && a21 <= 0) && a17 == 1)) || (((a21 <= 0 && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && a20 == 1)) || ((a16 == 4 && a21 == 1) && a7 <= 0)) || (((((!(4 == a16) && !(6 == a16)) && 14 <= a8) && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && 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, 31.5s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 23.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1423 SDtfs, 6833 SDslu, 1015 SDs, 0 SdLazy, 9046 SolverSat, 2142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 496 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7332occurred 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 222 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 116 NumberOfFragments, 359 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4075 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 382 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 2095 NumberOfCodeBlocks, 2095 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2084 ConstructedInterpolants, 0 QuantifiedInterpolants, 2115028 SizeOfPredicates, 2 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 1296/1333 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...