/usr/bin/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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:01:01,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:01:01,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:01:01,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:01:01,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:01:01,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:01:01,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:01:01,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:01:01,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:01:01,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:01:01,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:01:01,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:01:01,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:01:01,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:01:01,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:01:01,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:01:01,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:01:01,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:01:01,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:01:01,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:01:01,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:01:01,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:01:01,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:01:01,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:01:01,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 04:01:01,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:01:01,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:01:01,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:01:01,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:01:01,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:01:01,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:01:01,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:01:01,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:01:01,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:01:01,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:01:01,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:01:01,803 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 [2019-11-07 04:01:01,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:01:01,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:01:01,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:01:01,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:01:01,832 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:01:01,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:01:01,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:01:01,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:01:01,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:01:01,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:01:01,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:01:01,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:01:01,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:01:01,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:01:01,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:01:01,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:01:01,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:01:01,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:01:01,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:01:01,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:01:01,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:01:01,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:01:01,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:01:01,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:01:01,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:01:01,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:01:01,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:01:01,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:01:01,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:01:02,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:01:02,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:01:02,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:01:02,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:01:02,125 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:01:02,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2019-11-07 04:01:02,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f501384/906d2806772741f69fa92995d83ee5f8/FLAG12c7cd7af [2019-11-07 04:01:02,793 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:01:02,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2019-11-07 04:01:02,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f501384/906d2806772741f69fa92995d83ee5f8/FLAG12c7cd7af [2019-11-07 04:01:03,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f501384/906d2806772741f69fa92995d83ee5f8 [2019-11-07 04:01:03,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:01:03,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:01:03,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:01:03,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:01:03,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:01:03,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7537f1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03, skipping insertion in model container [2019-11-07 04:01:03,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:01:03,336 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:01:03,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:01:03,653 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:01:03,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:01:03,828 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:01:03,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03 WrapperNode [2019-11-07 04:01:03,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:01:03,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:01:03,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:01:03,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:01:03,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (1/1) ... [2019-11-07 04:01:03,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:01:03,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:01:03,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:01:03,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:01:03,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (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 [2019-11-07 04:01:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:01:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:01:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:01:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:01:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 04:01:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 04:01:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:01:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:01:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:01:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:01:04,685 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:01:04,686 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 04:01:04,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:01:04 BoogieIcfgContainer [2019-11-07 04:01:04,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:01:04,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:01:04,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:01:04,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:01:04,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:01:03" (1/3) ... [2019-11-07 04:01:04,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149a18f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:01:04, skipping insertion in model container [2019-11-07 04:01:04,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:01:03" (2/3) ... [2019-11-07 04:01:04,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149a18f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:01:04, skipping insertion in model container [2019-11-07 04:01:04,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:01:04" (3/3) ... [2019-11-07 04:01:04,702 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c [2019-11-07 04:01:04,714 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:01:04,728 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2019-11-07 04:01:04,741 INFO L249 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2019-11-07 04:01:04,790 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:01:04,790 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:01:04,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:01:04,791 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:01:04,791 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:01:04,791 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:01:04,791 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:01:04,791 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:01:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-11-07 04:01:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-07 04:01:04,825 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:04,826 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:04,829 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:04,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:04,834 INFO L82 PathProgramCache]: Analyzing trace with hash 814642412, now seen corresponding path program 1 times [2019-11-07 04:01:04,841 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:04,842 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404618200] [2019-11-07 04:01:04,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:05,031 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404618200] [2019-11-07 04:01:05,032 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:05,032 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:01:05,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692617085] [2019-11-07 04:01:05,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:01:05,041 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:05,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:01:05,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:01:05,060 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 4 states. [2019-11-07 04:01:05,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:05,449 INFO L93 Difference]: Finished difference Result 134 states and 210 transitions. [2019-11-07 04:01:05,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:01:05,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-07 04:01:05,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:05,464 INFO L225 Difference]: With dead ends: 134 [2019-11-07 04:01:05,464 INFO L226 Difference]: Without dead ends: 117 [2019-11-07 04:01:05,468 INFO L630 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 [2019-11-07 04:01:05,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-07 04:01:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-07 04:01:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-07 04:01:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2019-11-07 04:01:05,524 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 10 [2019-11-07 04:01:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:05,524 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2019-11-07 04:01:05,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:01:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2019-11-07 04:01:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-07 04:01:05,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:05,526 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:05,526 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:05,527 INFO L82 PathProgramCache]: Analyzing trace with hash -515885943, now seen corresponding path program 1 times [2019-11-07 04:01:05,527 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:05,527 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203417578] [2019-11-07 04:01:05,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:05,608 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203417578] [2019-11-07 04:01:05,608 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:05,609 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:01:05,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645647207] [2019-11-07 04:01:05,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:01:05,611 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:05,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:01:05,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:01:05,611 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand 4 states. [2019-11-07 04:01:05,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:05,822 INFO L93 Difference]: Finished difference Result 117 states and 138 transitions. [2019-11-07 04:01:05,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:01:05,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-07 04:01:05,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:05,825 INFO L225 Difference]: With dead ends: 117 [2019-11-07 04:01:05,825 INFO L226 Difference]: Without dead ends: 112 [2019-11-07 04:01:05,828 INFO L630 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 [2019-11-07 04:01:05,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-07 04:01:05,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-11-07 04:01:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-07 04:01:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2019-11-07 04:01:05,855 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 11 [2019-11-07 04:01:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:05,855 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2019-11-07 04:01:05,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:01:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2019-11-07 04:01:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-07 04:01:05,856 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:05,859 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:05,860 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:05,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:05,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1762372468, now seen corresponding path program 1 times [2019-11-07 04:01:05,861 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:05,861 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419186736] [2019-11-07 04:01:05,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:05,968 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419186736] [2019-11-07 04:01:05,970 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:05,971 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:05,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492999937] [2019-11-07 04:01:05,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:05,972 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:05,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:05,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:05,973 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand 5 states. [2019-11-07 04:01:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:06,218 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2019-11-07 04:01:06,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:01:06,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-07 04:01:06,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:06,221 INFO L225 Difference]: With dead ends: 112 [2019-11-07 04:01:06,226 INFO L226 Difference]: Without dead ends: 110 [2019-11-07 04:01:06,227 INFO L630 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 [2019-11-07 04:01:06,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-07 04:01:06,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-07 04:01:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-07 04:01:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2019-11-07 04:01:06,241 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 14 [2019-11-07 04:01:06,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:06,241 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2019-11-07 04:01:06,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2019-11-07 04:01:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-07 04:01:06,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:06,243 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:06,244 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:06,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:06,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1201025248, now seen corresponding path program 1 times [2019-11-07 04:01:06,244 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:06,245 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366502955] [2019-11-07 04:01:06,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:06,308 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366502955] [2019-11-07 04:01:06,309 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:06,309 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:01:06,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503319717] [2019-11-07 04:01:06,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:01:06,310 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:06,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:01:06,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:01:06,310 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 4 states. [2019-11-07 04:01:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:06,441 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2019-11-07 04:01:06,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:01:06,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-07 04:01:06,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:06,444 INFO L225 Difference]: With dead ends: 110 [2019-11-07 04:01:06,444 INFO L226 Difference]: Without dead ends: 106 [2019-11-07 04:01:06,444 INFO L630 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 [2019-11-07 04:01:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-07 04:01:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-07 04:01:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-07 04:01:06,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2019-11-07 04:01:06,453 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 15 [2019-11-07 04:01:06,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:06,454 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2019-11-07 04:01:06,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:01:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2019-11-07 04:01:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-07 04:01:06,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:06,455 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:06,456 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:06,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:06,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1436191013, now seen corresponding path program 1 times [2019-11-07 04:01:06,457 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:06,457 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572781028] [2019-11-07 04:01:06,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:06,503 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572781028] [2019-11-07 04:01:06,503 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:06,503 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:06,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101463494] [2019-11-07 04:01:06,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:06,504 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:06,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:06,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:06,505 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand 5 states. [2019-11-07 04:01:06,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:06,744 INFO L93 Difference]: Finished difference Result 124 states and 138 transitions. [2019-11-07 04:01:06,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:01:06,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-07 04:01:06,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:06,749 INFO L225 Difference]: With dead ends: 124 [2019-11-07 04:01:06,749 INFO L226 Difference]: Without dead ends: 122 [2019-11-07 04:01:06,751 INFO L630 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 [2019-11-07 04:01:06,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-07 04:01:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 104. [2019-11-07 04:01:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-07 04:01:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2019-11-07 04:01:06,770 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 16 [2019-11-07 04:01:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:06,770 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2019-11-07 04:01:06,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2019-11-07 04:01:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-07 04:01:06,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:06,772 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:06,772 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:06,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:06,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1437730213, now seen corresponding path program 1 times [2019-11-07 04:01:06,773 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:06,773 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909694589] [2019-11-07 04:01:06,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:06,875 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909694589] [2019-11-07 04:01:06,875 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:06,875 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:06,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001279096] [2019-11-07 04:01:06,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:06,877 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:06,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:06,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:06,878 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand 5 states. [2019-11-07 04:01:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:07,069 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2019-11-07 04:01:07,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:01:07,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-07 04:01:07,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:07,070 INFO L225 Difference]: With dead ends: 104 [2019-11-07 04:01:07,071 INFO L226 Difference]: Without dead ends: 102 [2019-11-07 04:01:07,071 INFO L630 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 [2019-11-07 04:01:07,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-07 04:01:07,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-11-07 04:01:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-07 04:01:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2019-11-07 04:01:07,078 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 16 [2019-11-07 04:01:07,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:07,079 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2019-11-07 04:01:07,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2019-11-07 04:01:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-07 04:01:07,080 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:07,080 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:07,080 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:07,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:07,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1572251555, now seen corresponding path program 1 times [2019-11-07 04:01:07,081 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:07,081 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012444343] [2019-11-07 04:01:07,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:07,152 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012444343] [2019-11-07 04:01:07,152 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:07,152 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:07,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617392285] [2019-11-07 04:01:07,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:07,153 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:07,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:07,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:07,154 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 5 states. [2019-11-07 04:01:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:07,412 INFO L93 Difference]: Finished difference Result 119 states and 133 transitions. [2019-11-07 04:01:07,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:01:07,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-07 04:01:07,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:07,414 INFO L225 Difference]: With dead ends: 119 [2019-11-07 04:01:07,414 INFO L226 Difference]: Without dead ends: 117 [2019-11-07 04:01:07,415 INFO L630 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 [2019-11-07 04:01:07,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-07 04:01:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 100. [2019-11-07 04:01:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-07 04:01:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2019-11-07 04:01:07,421 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 17 [2019-11-07 04:01:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:07,422 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2019-11-07 04:01:07,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2019-11-07 04:01:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-07 04:01:07,423 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:07,423 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:07,424 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:07,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:07,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1573616975, now seen corresponding path program 1 times [2019-11-07 04:01:07,424 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:07,425 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911799947] [2019-11-07 04:01:07,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:07,491 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911799947] [2019-11-07 04:01:07,492 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:07,492 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:07,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725717139] [2019-11-07 04:01:07,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:07,493 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:07,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:07,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:07,493 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand 5 states. [2019-11-07 04:01:07,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:07,723 INFO L93 Difference]: Finished difference Result 119 states and 133 transitions. [2019-11-07 04:01:07,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:01:07,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-07 04:01:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:07,724 INFO L225 Difference]: With dead ends: 119 [2019-11-07 04:01:07,725 INFO L226 Difference]: Without dead ends: 117 [2019-11-07 04:01:07,725 INFO L630 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 [2019-11-07 04:01:07,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-07 04:01:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 98. [2019-11-07 04:01:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-07 04:01:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2019-11-07 04:01:07,734 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 17 [2019-11-07 04:01:07,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:07,734 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2019-11-07 04:01:07,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2019-11-07 04:01:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-07 04:01:07,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:07,735 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:07,736 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:07,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:07,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1619966805, now seen corresponding path program 1 times [2019-11-07 04:01:07,736 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:07,737 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964297620] [2019-11-07 04:01:07,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:07,830 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964297620] [2019-11-07 04:01:07,831 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:07,831 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:07,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522493369] [2019-11-07 04:01:07,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:07,832 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:07,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:07,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:07,832 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 5 states. [2019-11-07 04:01:08,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:08,010 INFO L93 Difference]: Finished difference Result 98 states and 110 transitions. [2019-11-07 04:01:08,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:01:08,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-07 04:01:08,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:08,012 INFO L225 Difference]: With dead ends: 98 [2019-11-07 04:01:08,012 INFO L226 Difference]: Without dead ends: 94 [2019-11-07 04:01:08,013 INFO L630 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 [2019-11-07 04:01:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-07 04:01:08,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-11-07 04:01:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-07 04:01:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2019-11-07 04:01:08,019 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 17 [2019-11-07 04:01:08,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:08,019 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2019-11-07 04:01:08,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2019-11-07 04:01:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-07 04:01:08,020 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:08,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:08,021 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:08,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:08,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1537489112, now seen corresponding path program 1 times [2019-11-07 04:01:08,021 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:08,022 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182112973] [2019-11-07 04:01:08,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:08,111 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182112973] [2019-11-07 04:01:08,111 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:08,111 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:08,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980143641] [2019-11-07 04:01:08,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:08,112 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:08,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:08,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:08,112 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 5 states. [2019-11-07 04:01:08,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:08,347 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2019-11-07 04:01:08,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:01:08,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-07 04:01:08,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:08,349 INFO L225 Difference]: With dead ends: 110 [2019-11-07 04:01:08,349 INFO L226 Difference]: Without dead ends: 108 [2019-11-07 04:01:08,350 INFO L630 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 [2019-11-07 04:01:08,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-07 04:01:08,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 92. [2019-11-07 04:01:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-07 04:01:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2019-11-07 04:01:08,354 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 18 [2019-11-07 04:01:08,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:08,355 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2019-11-07 04:01:08,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2019-11-07 04:01:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-07 04:01:08,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:08,356 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:08,357 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:08,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:08,357 INFO L82 PathProgramCache]: Analyzing trace with hash -894647034, now seen corresponding path program 1 times [2019-11-07 04:01:08,357 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:08,358 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841141781] [2019-11-07 04:01:08,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:08,400 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841141781] [2019-11-07 04:01:08,400 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:08,400 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:01:08,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078180555] [2019-11-07 04:01:08,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:01:08,401 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:08,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:01:08,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:01:08,402 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 6 states. [2019-11-07 04:01:08,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:08,628 INFO L93 Difference]: Finished difference Result 102 states and 116 transitions. [2019-11-07 04:01:08,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:01:08,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-11-07 04:01:08,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:08,629 INFO L225 Difference]: With dead ends: 102 [2019-11-07 04:01:08,630 INFO L226 Difference]: Without dead ends: 100 [2019-11-07 04:01:08,630 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:01:08,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-07 04:01:08,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2019-11-07 04:01:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-07 04:01:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2019-11-07 04:01:08,634 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 19 [2019-11-07 04:01:08,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:08,635 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2019-11-07 04:01:08,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:01:08,635 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2019-11-07 04:01:08,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-07 04:01:08,636 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:08,636 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:08,637 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:08,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:08,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1964251151, now seen corresponding path program 1 times [2019-11-07 04:01:08,637 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:08,637 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970690439] [2019-11-07 04:01:08,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:08,676 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970690439] [2019-11-07 04:01:08,676 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:08,676 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:01:08,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718623761] [2019-11-07 04:01:08,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:01:08,677 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:08,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:01:08,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:01:08,678 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 4 states. [2019-11-07 04:01:08,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:08,796 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions. [2019-11-07 04:01:08,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:01:08,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-11-07 04:01:08,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:08,797 INFO L225 Difference]: With dead ends: 90 [2019-11-07 04:01:08,798 INFO L226 Difference]: Without dead ends: 57 [2019-11-07 04:01:08,798 INFO L630 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 [2019-11-07 04:01:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-07 04:01:08,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-07 04:01:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-07 04:01:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2019-11-07 04:01:08,801 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 20 [2019-11-07 04:01:08,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:08,802 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2019-11-07 04:01:08,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:01:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2019-11-07 04:01:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:01:08,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:08,804 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:08,804 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:08,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:08,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1215413267, now seen corresponding path program 1 times [2019-11-07 04:01:08,805 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:08,805 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852946559] [2019-11-07 04:01:08,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:08,982 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852946559] [2019-11-07 04:01:08,983 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:08,983 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-07 04:01:08,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509469612] [2019-11-07 04:01:08,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-07 04:01:08,984 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:08,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-07 04:01:08,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:01:08,988 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 13 states. [2019-11-07 04:01:09,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:09,124 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2019-11-07 04:01:09,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 04:01:09,124 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2019-11-07 04:01:09,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:09,125 INFO L225 Difference]: With dead ends: 66 [2019-11-07 04:01:09,125 INFO L226 Difference]: Without dead ends: 64 [2019-11-07 04:01:09,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2019-11-07 04:01:09,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-07 04:01:09,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2019-11-07 04:01:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-07 04:01:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2019-11-07 04:01:09,131 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 47 [2019-11-07 04:01:09,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:09,131 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2019-11-07 04:01:09,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-07 04:01:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2019-11-07 04:01:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:01:09,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:09,135 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:09,135 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:09,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1215399365, now seen corresponding path program 1 times [2019-11-07 04:01:09,136 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:09,136 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57595309] [2019-11-07 04:01:09,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:09,325 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57595309] [2019-11-07 04:01:09,326 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:09,326 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-07 04:01:09,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769746055] [2019-11-07 04:01:09,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-07 04:01:09,329 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:09,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-07 04:01:09,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:01:09,330 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 13 states. [2019-11-07 04:01:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:09,460 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2019-11-07 04:01:09,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 04:01:09,461 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2019-11-07 04:01:09,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:09,461 INFO L225 Difference]: With dead ends: 55 [2019-11-07 04:01:09,462 INFO L226 Difference]: Without dead ends: 53 [2019-11-07 04:01:09,462 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2019-11-07 04:01:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-07 04:01:09,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-07 04:01:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-07 04:01:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2019-11-07 04:01:09,465 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 47 [2019-11-07 04:01:09,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:09,465 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2019-11-07 04:01:09,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-07 04:01:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2019-11-07 04:01:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-07 04:01:09,466 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:09,466 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:09,467 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:09,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:09,467 INFO L82 PathProgramCache]: Analyzing trace with hash -976890969, now seen corresponding path program 1 times [2019-11-07 04:01:09,468 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:09,468 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067354541] [2019-11-07 04:01:09,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:09,677 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067354541] [2019-11-07 04:01:09,677 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:09,677 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:09,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460316188] [2019-11-07 04:01:09,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:09,678 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:09,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:09,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:09,679 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 5 states. [2019-11-07 04:01:09,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:09,811 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-11-07 04:01:09,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:01:09,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-11-07 04:01:09,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:09,813 INFO L225 Difference]: With dead ends: 61 [2019-11-07 04:01:09,813 INFO L226 Difference]: Without dead ends: 59 [2019-11-07 04:01:09,814 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 26 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:01:09,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-07 04:01:09,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 51. [2019-11-07 04:01:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-07 04:01:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2019-11-07 04:01:09,817 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2019-11-07 04:01:09,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:09,817 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2019-11-07 04:01:09,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:09,817 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2019-11-07 04:01:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-07 04:01:09,818 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:01:09,818 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:01:09,819 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:01:09,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:01:09,819 INFO L82 PathProgramCache]: Analyzing trace with hash -977321945, now seen corresponding path program 1 times [2019-11-07 04:01:09,819 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:01:09,819 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103083806] [2019-11-07 04:01:09,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:01:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:01:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:01:10,013 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103083806] [2019-11-07 04:01:10,013 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:01:10,013 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:01:10,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414501383] [2019-11-07 04:01:10,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:01:10,014 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:01:10,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:01:10,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:01:10,015 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 5 states. [2019-11-07 04:01:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:01:10,106 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2019-11-07 04:01:10,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 04:01:10,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-11-07 04:01:10,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:01:10,107 INFO L225 Difference]: With dead ends: 51 [2019-11-07 04:01:10,107 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:01:10,108 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 26 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:01:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:01:10,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:01:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:01:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:01:10,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2019-11-07 04:01:10,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:01:10,109 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:01:10,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:01:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:01:10,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:01:10,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:01:10,253 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:01:10,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:01:10,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:01:10,253 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 04:01:10,254 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:01:10,254 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:01:10,254 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 977) no Hoare annotation was computed. [2019-11-07 04:01:10,254 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 941) no Hoare annotation was computed. [2019-11-07 04:01:10,254 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 272) no Hoare annotation was computed. [2019-11-07 04:01:10,254 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-11-07 04:01:10,254 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 12 1001) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 555) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 757) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 946) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 264) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 968) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 938) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 948) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-07 04:01:10,255 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 971) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L439 ceAbstractionStarter]: At program point L863(lines 21 995) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 623) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 995) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 825) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 12 1001) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 962) no Hoare annotation was computed. [2019-11-07 04:01:10,256 INFO L443 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 942) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point L138(lines 138 231) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 965) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 988) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 691) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2019-11-07 04:01:10,257 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 990) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L439 ceAbstractionStarter]: At program point L899(lines 60 994) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 956) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 180) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 349) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 959) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 51) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L446 ceAbstractionStarter]: At program point L999(lines 17 1000) the Hoare annotation is: true [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 982) no Hoare annotation was computed. [2019-11-07 04:01:10,258 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 759) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 280) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 984) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 950) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 417) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 953) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 976) no Hoare annotation was computed. [2019-11-07 04:01:10,259 INFO L439 ceAbstractionStarter]: At program point L935(lines 853 942) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 9 main_~main__t~0)) [2019-11-07 04:01:10,260 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 940) no Hoare annotation was computed. [2019-11-07 04:01:10,260 INFO L443 ceAbstractionStarter]: For program point L803(lines 803 827) no Hoare annotation was computed. [2019-11-07 04:01:10,260 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 228) no Hoare annotation was computed. [2019-11-07 04:01:10,260 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 994) no Hoare annotation was computed. [2019-11-07 04:01:10,260 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 978) no Hoare annotation was computed. [2019-11-07 04:01:10,260 INFO L443 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2019-11-07 04:01:10,260 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 118) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 944) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 279) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 485) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 947) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 278) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 281) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 914) no Hoare annotation was computed. [2019-11-07 04:01:10,261 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 970) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 992) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L29(lines 29 53) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 972) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 900) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L439 ceAbstractionStarter]: At program point L277(lines 127 279) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= 1 main_~main__t~0)) [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 186) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 351) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 553) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 12 1001) the Hoare annotation is: true [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 224) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 214) no Hoare annotation was computed. [2019-11-07 04:01:10,262 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 964) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 986) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 270) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 966) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 989) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 419) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 237) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 120) no Hoare annotation was computed. [2019-11-07 04:01:10,263 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 621) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 936) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 958) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 980) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 960) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 983) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 252) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L17(lines 17 1000) no Hoare annotation was computed. [2019-11-07 04:01:10,264 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 487) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 902) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 188) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 689) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L67(lines 67 283) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 952) no Hoare annotation was computed. [2019-11-07 04:01:10,265 INFO L443 ceAbstractionStarter]: For program point L150(lines 150 229) no Hoare annotation was computed. [2019-11-07 04:01:10,266 INFO L443 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2019-11-07 04:01:10,266 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 974) no Hoare annotation was computed. [2019-11-07 04:01:10,266 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 226) no Hoare annotation was computed. [2019-11-07 04:01:10,266 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 954) no Hoare annotation was computed. [2019-11-07 04:01:10,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:01:10 BoogieIcfgContainer [2019-11-07 04:01:10,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:01:10,285 INFO L168 Benchmark]: Toolchain (without parser) took 7103.65 ms. Allocated memory was 138.9 MB in the beginning and 282.1 MB in the end (delta: 143.1 MB). Free memory was 103.3 MB in the beginning and 170.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2019-11-07 04:01:10,286 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 04:01:10,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.47 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 177.0 MB in the end (delta: -73.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:01:10,287 INFO L168 Benchmark]: Boogie Preprocessor took 56.43 ms. Allocated memory is still 202.9 MB. Free memory was 177.0 MB in the beginning and 174.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:01:10,288 INFO L168 Benchmark]: RCFGBuilder took 801.86 ms. Allocated memory is still 202.9 MB. Free memory was 174.2 MB in the beginning and 124.7 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:01:10,289 INFO L168 Benchmark]: TraceAbstraction took 5592.64 ms. Allocated memory was 202.9 MB in the beginning and 282.1 MB in the end (delta: 79.2 MB). Free memory was 124.7 MB in the beginning and 170.7 MB in the end (delta: -45.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:01:10,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.47 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 177.0 MB in the end (delta: -73.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.43 ms. Allocated memory is still 202.9 MB. Free memory was 177.0 MB in the beginning and 174.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 801.86 ms. Allocated memory is still 202.9 MB. Free memory was 174.2 MB in the beginning and 124.7 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5592.64 ms. Allocated memory was 202.9 MB in the beginning and 282.1 MB in the end (delta: 79.2 MB). Free memory was 124.7 MB in the beginning and 170.7 MB in the end (delta: -45.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 168]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 214]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 926]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 202]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 180]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 252]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 914]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 264]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 878]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 9 <= main__t - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (main__t <= main__tagbuf_len && !(main__tagbuf_len == main__t)) && 1 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 124 locations, 16 error locations. Result: SAFE, OverallTime: 5.4s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 750 SDtfs, 1904 SDslu, 849 SDs, 0 SdLazy, 2399 SolverSat, 454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 39 SyntacticMatches, 57 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 97 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 37 HoareAnnotationTreeSize, 9 FomulaSimplifications, 1141 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 43375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...