java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 02:55:32,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 02:55:32,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 02:55:32,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 02:55:32,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 02:55:32,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 02:55:32,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 02:55:32,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 02:55:32,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 02:55:32,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 02:55:32,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 02:55:32,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 02:55:32,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 02:55:32,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 02:55:32,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 02:55:32,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 02:55:32,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 02:55:32,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 02:55:32,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 02:55:32,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 02:55:32,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 02:55:32,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 02:55:32,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 02:55:32,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 02:55:32,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 02:55:32,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 02:55:32,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 02:55:32,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 02:55:32,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 02:55:32,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 02:55:32,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 02:55:32,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 02:55:32,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 02:55:32,785 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 02:55:32,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 02:55:32,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 02:55:32,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 02:55:32,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 02:55:32,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 02:55:32,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 02:55:32,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 02:55:32,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 02:55:32,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 02:55:32,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 02:55:32,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 02:55:32,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 02:55:32,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 02:55:32,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 02:55:32,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 02:55:32,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 02:55:32,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 02:55:32,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 02:55:32,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 02:55:32,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 02:55:32,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 02:55:32,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 02:55:32,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 02:55:32,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 02:55:32,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 02:55:32,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 02:55:32,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 02:55:32,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 02:55:32,838 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 02:55:32,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-09-08 02:55:32,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d768073/58ac142f43fb4766af4b797087ef8e31/FLAGf56b1ea9d [2019-09-08 02:55:33,336 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 02:55:33,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-09-08 02:55:33,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d768073/58ac142f43fb4766af4b797087ef8e31/FLAGf56b1ea9d [2019-09-08 02:55:33,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d768073/58ac142f43fb4766af4b797087ef8e31 [2019-09-08 02:55:33,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 02:55:33,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 02:55:33,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 02:55:33,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 02:55:33,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 02:55:33,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:55:33" (1/1) ... [2019-09-08 02:55:33,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648efac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:33, skipping insertion in model container [2019-09-08 02:55:33,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:55:33" (1/1) ... [2019-09-08 02:55:33,695 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 02:55:33,726 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 02:55:33,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 02:55:33,910 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 02:55:33,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 02:55:34,048 INFO L192 MainTranslator]: Completed translation [2019-09-08 02:55:34,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34 WrapperNode [2019-09-08 02:55:34,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 02:55:34,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 02:55:34,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 02:55:34,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 02:55:34,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (1/1) ... [2019-09-08 02:55:34,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (1/1) ... [2019-09-08 02:55:34,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (1/1) ... [2019-09-08 02:55:34,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (1/1) ... [2019-09-08 02:55:34,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (1/1) ... [2019-09-08 02:55:34,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (1/1) ... [2019-09-08 02:55:34,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (1/1) ... [2019-09-08 02:55:34,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 02:55:34,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 02:55:34,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 02:55:34,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 02:55:34,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (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 [2019-09-08 02:55:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 02:55:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 02:55:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 02:55:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 02:55:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 02:55:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 02:55:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 02:55:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 02:55:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 02:55:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 02:55:34,512 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 02:55:34,512 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 02:55:34,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:55:34 BoogieIcfgContainer [2019-09-08 02:55:34,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 02:55:34,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 02:55:34,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 02:55:34,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 02:55:34,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:55:33" (1/3) ... [2019-09-08 02:55:34,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246f1ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:55:34, skipping insertion in model container [2019-09-08 02:55:34,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:55:34" (2/3) ... [2019-09-08 02:55:34,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246f1ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:55:34, skipping insertion in model container [2019-09-08 02:55:34,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:55:34" (3/3) ... [2019-09-08 02:55:34,521 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2019-09-08 02:55:34,532 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 02:55:34,547 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2019-09-08 02:55:34,579 INFO L252 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2019-09-08 02:55:34,609 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 02:55:34,610 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 02:55:34,610 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 02:55:34,610 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 02:55:34,610 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 02:55:34,610 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 02:55:34,610 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 02:55:34,611 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 02:55:34,611 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 02:55:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2019-09-08 02:55:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-08 02:55:34,639 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:34,640 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:34,642 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:34,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:34,647 INFO L82 PathProgramCache]: Analyzing trace with hash 288597337, now seen corresponding path program 1 times [2019-09-08 02:55:34,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:34,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:34,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:34,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:34,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:34,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:34,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 02:55:34,833 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 02:55:34,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 02:55:34,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 02:55:34,847 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 4 states. [2019-09-08 02:55:35,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:35,043 INFO L93 Difference]: Finished difference Result 131 states and 174 transitions. [2019-09-08 02:55:35,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:35,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-09-08 02:55:35,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:35,056 INFO L225 Difference]: With dead ends: 131 [2019-09-08 02:55:35,056 INFO L226 Difference]: Without dead ends: 111 [2019-09-08 02:55:35,060 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-09-08 02:55:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 73. [2019-09-08 02:55:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-09-08 02:55:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2019-09-08 02:55:35,106 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 12 [2019-09-08 02:55:35,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:35,107 INFO L475 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2019-09-08 02:55:35,107 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 02:55:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2019-09-08 02:55:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-08 02:55:35,108 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:35,109 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:35,109 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:35,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:35,110 INFO L82 PathProgramCache]: Analyzing trace with hash 285426585, now seen corresponding path program 1 times [2019-09-08 02:55:35,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:35,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:35,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:35,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:35,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:35,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 02:55:35,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 02:55:35,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 02:55:35,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 02:55:35,156 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand 4 states. [2019-09-08 02:55:35,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:35,231 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2019-09-08 02:55:35,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:35,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-09-08 02:55:35,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:35,234 INFO L225 Difference]: With dead ends: 111 [2019-09-08 02:55:35,234 INFO L226 Difference]: Without dead ends: 109 [2019-09-08 02:55:35,235 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:35,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-09-08 02:55:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 71. [2019-09-08 02:55:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-09-08 02:55:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2019-09-08 02:55:35,245 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 12 [2019-09-08 02:55:35,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:35,246 INFO L475 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2019-09-08 02:55:35,246 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 02:55:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2019-09-08 02:55:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-08 02:55:35,247 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:35,247 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:35,248 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:35,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:35,248 INFO L82 PathProgramCache]: Analyzing trace with hash -918238132, now seen corresponding path program 1 times [2019-09-08 02:55:35,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:35,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:35,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:35,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:35,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:35,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:35,310 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:35,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:35,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:35,311 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand 5 states. [2019-09-08 02:55:35,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:35,405 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2019-09-08 02:55:35,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:35,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-09-08 02:55:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:35,407 INFO L225 Difference]: With dead ends: 73 [2019-09-08 02:55:35,407 INFO L226 Difference]: Without dead ends: 71 [2019-09-08 02:55:35,408 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:35,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-09-08 02:55:35,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-09-08 02:55:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-09-08 02:55:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2019-09-08 02:55:35,416 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 15 [2019-09-08 02:55:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:35,416 INFO L475 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2019-09-08 02:55:35,416 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2019-09-08 02:55:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-08 02:55:35,417 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:35,418 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:35,418 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:35,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:35,419 INFO L82 PathProgramCache]: Analyzing trace with hash -888931738, now seen corresponding path program 1 times [2019-09-08 02:55:35,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:35,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:35,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:35,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:35,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:35,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:35,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:35,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:35,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:35,510 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand 5 states. [2019-09-08 02:55:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:35,622 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2019-09-08 02:55:35,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:35,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-09-08 02:55:35,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:35,624 INFO L225 Difference]: With dead ends: 71 [2019-09-08 02:55:35,624 INFO L226 Difference]: Without dead ends: 69 [2019-09-08 02:55:35,625 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:35,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-09-08 02:55:35,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2019-09-08 02:55:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-09-08 02:55:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2019-09-08 02:55:35,631 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 15 [2019-09-08 02:55:35,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:35,632 INFO L475 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2019-09-08 02:55:35,632 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2019-09-08 02:55:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-08 02:55:35,633 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:35,633 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:35,634 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:35,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:35,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1599834060, now seen corresponding path program 1 times [2019-09-08 02:55:35,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:35,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:35,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:35,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:35,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:35,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:35,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:35,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:35,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:35,694 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 5 states. [2019-09-08 02:55:35,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:35,821 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2019-09-08 02:55:35,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:35,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-09-08 02:55:35,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:35,823 INFO L225 Difference]: With dead ends: 116 [2019-09-08 02:55:35,823 INFO L226 Difference]: Without dead ends: 114 [2019-09-08 02:55:35,824 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:35,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-09-08 02:55:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 65. [2019-09-08 02:55:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-09-08 02:55:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-09-08 02:55:35,831 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 16 [2019-09-08 02:55:35,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:35,831 INFO L475 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-09-08 02:55:35,831 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-09-08 02:55:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-08 02:55:35,832 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:35,832 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:35,833 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:35,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:35,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1599820158, now seen corresponding path program 1 times [2019-09-08 02:55:35,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:35,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:35,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:35,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:35,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:35,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:35,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:35,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:35,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:35,880 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 5 states. [2019-09-08 02:55:36,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:36,020 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2019-09-08 02:55:36,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:36,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-09-08 02:55:36,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:36,022 INFO L225 Difference]: With dead ends: 101 [2019-09-08 02:55:36,022 INFO L226 Difference]: Without dead ends: 99 [2019-09-08 02:55:36,023 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-08 02:55:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 63. [2019-09-08 02:55:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-09-08 02:55:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2019-09-08 02:55:36,039 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 16 [2019-09-08 02:55:36,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:36,039 INFO L475 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2019-09-08 02:55:36,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2019-09-08 02:55:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-08 02:55:36,040 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:36,041 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:36,041 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:36,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:36,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1599392161, now seen corresponding path program 1 times [2019-09-08 02:55:36,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:36,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:36,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:36,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:36,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:36,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 02:55:36,103 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 02:55:36,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 02:55:36,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 02:55:36,103 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 4 states. [2019-09-08 02:55:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:36,174 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2019-09-08 02:55:36,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 02:55:36,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-09-08 02:55:36,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:36,176 INFO L225 Difference]: With dead ends: 65 [2019-09-08 02:55:36,176 INFO L226 Difference]: Without dead ends: 61 [2019-09-08 02:55:36,176 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:36,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-09-08 02:55:36,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2019-09-08 02:55:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-09-08 02:55:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2019-09-08 02:55:36,183 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 16 [2019-09-08 02:55:36,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:36,183 INFO L475 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2019-09-08 02:55:36,183 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 02:55:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2019-09-08 02:55:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-08 02:55:36,184 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:36,184 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:36,185 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:36,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:36,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1787077023, now seen corresponding path program 1 times [2019-09-08 02:55:36,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:36,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:36,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:36,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:36,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:36,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 02:55:36,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 02:55:36,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 02:55:36,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 02:55:36,216 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 4 states. [2019-09-08 02:55:36,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:36,279 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2019-09-08 02:55:36,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 02:55:36,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-09-08 02:55:36,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:36,281 INFO L225 Difference]: With dead ends: 61 [2019-09-08 02:55:36,282 INFO L226 Difference]: Without dead ends: 57 [2019-09-08 02:55:36,282 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:36,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-09-08 02:55:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2019-09-08 02:55:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-09-08 02:55:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2019-09-08 02:55:36,288 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 16 [2019-09-08 02:55:36,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:36,288 INFO L475 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2019-09-08 02:55:36,288 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 02:55:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2019-09-08 02:55:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-08 02:55:36,289 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:36,289 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:36,290 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:36,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1944748480, now seen corresponding path program 1 times [2019-09-08 02:55:36,291 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:36,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:36,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:36,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:36,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:36,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:36,378 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:36,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:36,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:36,379 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 5 states. [2019-09-08 02:55:36,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:36,490 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2019-09-08 02:55:36,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 02:55:36,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-09-08 02:55:36,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:36,492 INFO L225 Difference]: With dead ends: 94 [2019-09-08 02:55:36,492 INFO L226 Difference]: Without dead ends: 92 [2019-09-08 02:55:36,493 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 02:55:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-09-08 02:55:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 53. [2019-09-08 02:55:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-09-08 02:55:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-09-08 02:55:36,503 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 17 [2019-09-08 02:55:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:36,503 INFO L475 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-09-08 02:55:36,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-09-08 02:55:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-08 02:55:36,507 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:36,507 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:36,508 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:36,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:36,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1945179456, now seen corresponding path program 1 times [2019-09-08 02:55:36,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:36,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:36,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:36,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:36,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:36,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:36,612 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:36,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:36,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:36,613 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 5 states. [2019-09-08 02:55:36,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:36,731 INFO L93 Difference]: Finished difference Result 84 states and 90 transitions. [2019-09-08 02:55:36,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 02:55:36,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-09-08 02:55:36,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:36,734 INFO L225 Difference]: With dead ends: 84 [2019-09-08 02:55:36,734 INFO L226 Difference]: Without dead ends: 82 [2019-09-08 02:55:36,735 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 02:55:36,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-09-08 02:55:36,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 51. [2019-09-08 02:55:36,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-09-08 02:55:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2019-09-08 02:55:36,744 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 17 [2019-09-08 02:55:36,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:36,745 INFO L475 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2019-09-08 02:55:36,745 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2019-09-08 02:55:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-08 02:55:36,750 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:36,750 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:36,752 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:36,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:36,753 INFO L82 PathProgramCache]: Analyzing trace with hash 449409464, now seen corresponding path program 1 times [2019-09-08 02:55:36,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:36,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:36,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:36,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:36,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:36,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:36,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:36,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:36,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:36,814 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 5 states. [2019-09-08 02:55:36,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:36,913 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2019-09-08 02:55:36,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:36,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-09-08 02:55:36,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:36,914 INFO L225 Difference]: With dead ends: 70 [2019-09-08 02:55:36,914 INFO L226 Difference]: Without dead ends: 68 [2019-09-08 02:55:36,915 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-09-08 02:55:36,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 49. [2019-09-08 02:55:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-09-08 02:55:36,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2019-09-08 02:55:36,919 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 17 [2019-09-08 02:55:36,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:36,919 INFO L475 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2019-09-08 02:55:36,919 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2019-09-08 02:55:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-08 02:55:36,920 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:36,920 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:36,921 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:36,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:36,921 INFO L82 PathProgramCache]: Analyzing trace with hash 450948664, now seen corresponding path program 1 times [2019-09-08 02:55:36,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:36,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:36,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:36,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:36,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:36,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:36,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:36,974 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:36,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:36,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:36,975 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 5 states. [2019-09-08 02:55:37,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:37,043 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2019-09-08 02:55:37,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:37,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-09-08 02:55:37,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:37,044 INFO L225 Difference]: With dead ends: 51 [2019-09-08 02:55:37,044 INFO L226 Difference]: Without dead ends: 49 [2019-09-08 02:55:37,044 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:37,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-09-08 02:55:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2019-09-08 02:55:37,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-09-08 02:55:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2019-09-08 02:55:37,048 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 17 [2019-09-08 02:55:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:37,048 INFO L475 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2019-09-08 02:55:37,048 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2019-09-08 02:55:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-08 02:55:37,049 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:37,049 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:37,050 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:37,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:37,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1048160016, now seen corresponding path program 1 times [2019-09-08 02:55:37,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:37,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:37,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:37,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:37,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:37,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:37,076 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:37,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:37,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:37,077 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 5 states. [2019-09-08 02:55:37,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:37,144 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2019-09-08 02:55:37,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:37,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-09-08 02:55:37,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:37,145 INFO L225 Difference]: With dead ends: 69 [2019-09-08 02:55:37,145 INFO L226 Difference]: Without dead ends: 67 [2019-09-08 02:55:37,146 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-09-08 02:55:37,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 45. [2019-09-08 02:55:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-09-08 02:55:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2019-09-08 02:55:37,149 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 18 [2019-09-08 02:55:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:37,149 INFO L475 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2019-09-08 02:55:37,150 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2019-09-08 02:55:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-08 02:55:37,150 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:37,151 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:37,151 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:37,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:37,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1046794596, now seen corresponding path program 1 times [2019-09-08 02:55:37,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:37,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:37,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:37,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:37,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:37,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:37,197 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:37,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:37,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:37,197 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 5 states. [2019-09-08 02:55:37,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:37,282 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2019-09-08 02:55:37,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 02:55:37,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-09-08 02:55:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:37,283 INFO L225 Difference]: With dead ends: 59 [2019-09-08 02:55:37,285 INFO L226 Difference]: Without dead ends: 57 [2019-09-08 02:55:37,286 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 02:55:37,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-09-08 02:55:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 43. [2019-09-08 02:55:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-09-08 02:55:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2019-09-08 02:55:37,293 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 18 [2019-09-08 02:55:37,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:37,293 INFO L475 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2019-09-08 02:55:37,293 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2019-09-08 02:55:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-08 02:55:37,294 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:37,294 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:37,297 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:37,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:37,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1094509846, now seen corresponding path program 1 times [2019-09-08 02:55:37,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:37,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:37,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:37,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:37,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:37,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:37,367 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:37,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:37,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:37,368 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 5 states. [2019-09-08 02:55:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:37,425 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2019-09-08 02:55:37,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 02:55:37,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-09-08 02:55:37,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:37,426 INFO L225 Difference]: With dead ends: 43 [2019-09-08 02:55:37,426 INFO L226 Difference]: Without dead ends: 39 [2019-09-08 02:55:37,427 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 02:55:37,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-09-08 02:55:37,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-09-08 02:55:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-09-08 02:55:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2019-09-08 02:55:37,431 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 18 [2019-09-08 02:55:37,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:37,432 INFO L475 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2019-09-08 02:55:37,432 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2019-09-08 02:55:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-08 02:55:37,432 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:37,433 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:37,433 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:37,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:37,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1866774741, now seen corresponding path program 1 times [2019-09-08 02:55:37,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:37,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:37,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:37,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:37,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:37,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 02:55:37,494 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 02:55:37,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 02:55:37,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:37,495 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 5 states. [2019-09-08 02:55:37,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:37,571 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2019-09-08 02:55:37,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 02:55:37,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-09-08 02:55:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:37,572 INFO L225 Difference]: With dead ends: 54 [2019-09-08 02:55:37,573 INFO L226 Difference]: Without dead ends: 52 [2019-09-08 02:55:37,573 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 02:55:37,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-09-08 02:55:37,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 37. [2019-09-08 02:55:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-09-08 02:55:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2019-09-08 02:55:37,578 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2019-09-08 02:55:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:37,578 INFO L475 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2019-09-08 02:55:37,578 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 02:55:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2019-09-08 02:55:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-08 02:55:37,579 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:37,579 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:37,580 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:37,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:37,580 INFO L82 PathProgramCache]: Analyzing trace with hash 947355911, now seen corresponding path program 1 times [2019-09-08 02:55:37,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:37,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:37,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:37,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:37,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:37,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 02:55:37,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 02:55:37,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 02:55:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 02:55:37,610 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 4 states. [2019-09-08 02:55:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:37,635 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2019-09-08 02:55:37,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 02:55:37,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-09-08 02:55:37,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:37,636 INFO L225 Difference]: With dead ends: 37 [2019-09-08 02:55:37,636 INFO L226 Difference]: Without dead ends: 35 [2019-09-08 02:55:37,637 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:37,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-09-08 02:55:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-09-08 02:55:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-09-08 02:55:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2019-09-08 02:55:37,640 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 20 [2019-09-08 02:55:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:37,640 INFO L475 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2019-09-08 02:55:37,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 02:55:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2019-09-08 02:55:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-08 02:55:37,641 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:55:37,641 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:55:37,641 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:55:37,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:55:37,642 INFO L82 PathProgramCache]: Analyzing trace with hash -696734716, now seen corresponding path program 1 times [2019-09-08 02:55:37,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:55:37,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:55:37,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:55:37,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:55:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:55:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:55:37,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:55:37,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 02:55:37,670 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 02:55:37,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 02:55:37,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 02:55:37,670 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 4 states. [2019-09-08 02:55:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:55:37,711 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2019-09-08 02:55:37,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 02:55:37,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-09-08 02:55:37,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:55:37,712 INFO L225 Difference]: With dead ends: 37 [2019-09-08 02:55:37,712 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 02:55:37,713 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 02:55:37,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 02:55:37,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 02:55:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 02:55:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 02:55:37,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-09-08 02:55:37,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:55:37,714 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 02:55:37,714 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 02:55:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 02:55:37,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 02:55:37,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 02:55:38,006 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 02:55:38,007 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-08 02:55:38,007 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 02:55:38,007 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 02:55:38,007 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-08 02:55:38,007 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 02:55:38,007 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 02:55:38,008 INFO L443 ceAbstractionStarter]: For program point L27(lines 27 390) no Hoare annotation was computed. [2019-09-08 02:55:38,008 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 385) no Hoare annotation was computed. [2019-09-08 02:55:38,008 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 239) no Hoare annotation was computed. [2019-09-08 02:55:38,008 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 397) no Hoare annotation was computed. [2019-09-08 02:55:38,008 INFO L443 ceAbstractionStarter]: For program point L19(lines 19 391) no Hoare annotation was computed. [2019-09-08 02:55:38,008 INFO L443 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2019-09-08 02:55:38,008 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 87) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L443 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L443 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 328) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L443 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 304) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L443 ceAbstractionStarter]: For program point L135(lines 135 157) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L443 ceAbstractionStarter]: For program point L292(line 292) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L443 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 361) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 196) no Hoare annotation was computed. [2019-09-08 02:55:38,009 INFO L446 ceAbstractionStarter]: At program point L309(lines 27 390) the Hoare annotation is: true [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 245) no Hoare annotation was computed. [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 248) no Hoare annotation was computed. [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 193) no Hoare annotation was computed. [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 382) no Hoare annotation was computed. [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 349) no Hoare annotation was computed. [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 388) no Hoare annotation was computed. [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point L128(lines 128 195) no Hoare annotation was computed. [2019-09-08 02:55:38,010 INFO L443 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 231) no Hoare annotation was computed. [2019-09-08 02:55:38,011 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-09-08 02:55:38,011 INFO L443 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 292) no Hoare annotation was computed. [2019-09-08 02:55:38,011 INFO L439 ceAbstractionStarter]: At program point L244(lines 96 246) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (not (= main_~main__t~0 main_~main__tagbuf_len~0)) (<= 1 main_~main__t~0)) [2019-09-08 02:55:38,011 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-09-08 02:55:38,011 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-09-08 02:55:38,011 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 397) no Hoare annotation was computed. [2019-09-08 02:55:38,011 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-09-08 02:55:38,012 INFO L443 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2019-09-08 02:55:38,012 INFO L443 ceAbstractionStarter]: For program point L96(lines 96 246) no Hoare annotation was computed. [2019-09-08 02:55:38,012 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 384) no Hoare annotation was computed. [2019-09-08 02:55:38,012 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 397) the Hoare annotation is: true [2019-09-08 02:55:38,012 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-09-08 02:55:38,012 INFO L443 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2019-09-08 02:55:38,012 INFO L443 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2019-09-08 02:55:38,012 INFO L443 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L328(line 328) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 237) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L304(line 304) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L15(lines 15 396) no Hoare annotation was computed. [2019-09-08 02:55:38,013 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 386) no Hoare annotation was computed. [2019-09-08 02:55:38,014 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 89) no Hoare annotation was computed. [2019-09-08 02:55:38,014 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2019-09-08 02:55:38,014 INFO L439 ceAbstractionStarter]: At program point L379(lines 277 386) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (not (= main_~main__t~0 main_~main__tagbuf_len~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 0 main_~main__t~0)) [2019-09-08 02:55:38,014 INFO L439 ceAbstractionStarter]: At program point L346(lines 27 390) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (not (= main_~main__t~0 main_~main__tagbuf_len~0)) (<= 0 main_~main__t~0)) [2019-09-08 02:55:38,014 INFO L443 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 79) no Hoare annotation was computed. [2019-09-08 02:55:38,014 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 191) no Hoare annotation was computed. [2019-09-08 02:55:38,014 INFO L443 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 273) no Hoare annotation was computed. [2019-09-08 02:55:38,015 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 380) no Hoare annotation was computed. [2019-09-08 02:55:38,015 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-09-08 02:55:38,015 INFO L443 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 340) no Hoare annotation was computed. [2019-09-08 02:55:38,015 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 198) no Hoare annotation was computed. [2019-09-08 02:55:38,015 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-08 02:55:38,015 INFO L443 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2019-09-08 02:55:38,015 INFO L439 ceAbstractionStarter]: At program point L190(lines 51 248) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2019-09-08 02:55:38,015 INFO L443 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 171) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point L273(line 273) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point L100(lines 100 204) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 250) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 312) no Hoare annotation was computed. [2019-09-08 02:55:38,016 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-09-08 02:55:38,017 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-09-08 02:55:38,017 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-09-08 02:55:38,017 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-09-08 02:55:38,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:55:38 BoogieIcfgContainer [2019-09-08 02:55:38,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 02:55:38,037 INFO L168 Benchmark]: Toolchain (without parser) took 4356.45 ms. Allocated memory was 130.5 MB in the beginning and 271.6 MB in the end (delta: 141.0 MB). Free memory was 86.3 MB in the beginning and 231.5 MB in the end (delta: -145.2 MB). Peak memory consumption was 149.9 MB. Max. memory is 7.1 GB. [2019-09-08 02:55:38,037 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 02:55:38,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.98 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 175.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-08 02:55:38,039 INFO L168 Benchmark]: Boogie Preprocessor took 50.76 ms. Allocated memory is still 198.2 MB. Free memory was 175.2 MB in the beginning and 172.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-08 02:55:38,040 INFO L168 Benchmark]: RCFGBuilder took 413.03 ms. Allocated memory is still 198.2 MB. Free memory was 172.8 MB in the beginning and 148.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-09-08 02:55:38,041 INFO L168 Benchmark]: TraceAbstraction took 3518.98 ms. Allocated memory was 198.2 MB in the beginning and 271.6 MB in the end (delta: 73.4 MB). Free memory was 147.7 MB in the beginning and 231.5 MB in the end (delta: -83.8 MB). Peak memory consumption was 143.6 MB. Max. memory is 7.1 GB. [2019-09-08 02:55:38,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.98 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 175.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.76 ms. Allocated memory is still 198.2 MB. Free memory was 175.2 MB in the beginning and 172.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.03 ms. Allocated memory is still 198.2 MB. Free memory was 172.8 MB in the beginning and 148.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3518.98 ms. Allocated memory was 198.2 MB in the beginning and 271.6 MB in the end (delta: 73.4 MB). Free memory was 147.7 MB in the beginning and 231.5 MB in the end (delta: -83.8 MB). Peak memory consumption was 143.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 79]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 149]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 121]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 137]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 328]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 219]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 340]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 361]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 273]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 292]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 67]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 304]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 373]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 171]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 231]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((main__t <= main__tagbuf_len && !(main__t == main__tagbuf_len)) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (main__t <= main__tagbuf_len && !(main__t == main__tagbuf_len)) && 1 <= main__t - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (main__t <= main__tagbuf_len && !(main__t == main__tagbuf_len)) && 0 <= main__t - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 80 locations, 18 error locations. SAFE Result, 3.4s OverallTime, 18 OverallIterations, 1 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 856 SDtfs, 1356 SDslu, 904 SDs, 0 SdLazy, 1024 SolverSat, 114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 41 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 311 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 51 HoareAnnotationTreeSize, 9 FomulaSimplifications, 139433 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4869 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 10744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...