java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:57:48,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:57:48,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:57:48,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:57:48,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:57:48,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:57:48,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:57:48,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:57:48,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:57:48,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:57:48,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:57:48,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:57:48,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:57:48,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:57:48,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:57:48,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:57:48,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:57:48,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:57:48,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:57:48,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:57:48,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:57:48,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:57:48,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:57:48,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:57:48,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:57:48,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:57:48,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:57:48,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:57:48,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:57:48,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:57:48,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:57:48,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:57:48,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:57:48,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:57:48,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:57:48,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:57:48,827 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 [2019-10-13 17:57:48,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:57:48,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:57:48,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:57:48,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:57:48,868 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:57:48,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:57:48,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:57:48,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:57:48,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:57:48,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:57:48,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:57:48,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:57:48,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:57:48,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:57:48,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:57:48,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:57:48,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:57:48,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:57:48,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:57:48,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:57:48,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:57:48,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:57:48,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:57:48,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:57:48,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:57:48,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:57:48,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:57:48,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:57:48,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:57:49,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:57:49,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:57:49,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:57:49,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:57:49,203 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:57:49,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2019-10-13 17:57:49,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592c7a462/cbf5e46da10942ac92687e724915d456/FLAG5144f04af [2019-10-13 17:57:49,852 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:57:49,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2019-10-13 17:57:49,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592c7a462/cbf5e46da10942ac92687e724915d456/FLAG5144f04af [2019-10-13 17:57:50,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592c7a462/cbf5e46da10942ac92687e724915d456 [2019-10-13 17:57:50,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:57:50,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:57:50,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:50,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:57:50,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:57:50,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b8a29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50, skipping insertion in model container [2019-10-13 17:57:50,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:57:50,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:57:50,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:50,768 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:57:50,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:50,886 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:57:50,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50 WrapperNode [2019-10-13 17:57:50,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:50,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:57:50,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:57:50,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:57:50,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (1/1) ... [2019-10-13 17:57:50,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:57:50,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:57:50,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:57:50,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:57:50,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (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 [2019-10-13 17:57:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:57:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:57:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:57:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:57:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:57:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:57:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:57:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:57:52,313 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:57:52,313 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:57:52,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:52 BoogieIcfgContainer [2019-10-13 17:57:52,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:57:52,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:57:52,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:57:52,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:57:52,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:57:50" (1/3) ... [2019-10-13 17:57:52,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcb85dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:52, skipping insertion in model container [2019-10-13 17:57:52,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:50" (2/3) ... [2019-10-13 17:57:52,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcb85dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:52, skipping insertion in model container [2019-10-13 17:57:52,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:52" (3/3) ... [2019-10-13 17:57:52,324 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label16.c [2019-10-13 17:57:52,335 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:57:52,344 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:57:52,356 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:57:52,396 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:57:52,396 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:57:52,396 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:57:52,396 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:57:52,397 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:57:52,397 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:57:52,397 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:57:52,397 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:57:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-13 17:57:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-13 17:57:52,439 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:52,440 INFO L380 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] [2019-10-13 17:57:52,442 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:52,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:52,449 INFO L82 PathProgramCache]: Analyzing trace with hash -369766826, now seen corresponding path program 1 times [2019-10-13 17:57:52,457 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:52,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456047759] [2019-10-13 17:57:52,458 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:52,458 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:52,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:52,787 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456047759] [2019-10-13 17:57:52,788 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:57:52,788 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:57:52,788 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126614146] [2019-10-13 17:57:52,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:57:52,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:52,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:57:52,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:57:52,810 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-13 17:57:54,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:54,983 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2019-10-13 17:57:54,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:57:54,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-10-13 17:57:54,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:55,005 INFO L225 Difference]: With dead ends: 730 [2019-10-13 17:57:55,005 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 17:57:55,013 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 17:57:55,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2019-10-13 17:57:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-13 17:57:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2019-10-13 17:57:55,106 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 39 [2019-10-13 17:57:55,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:55,107 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2019-10-13 17:57:55,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:57:55,107 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2019-10-13 17:57:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 17:57:55,115 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:55,116 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:55,116 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:55,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:55,117 INFO L82 PathProgramCache]: Analyzing trace with hash -986233207, now seen corresponding path program 1 times [2019-10-13 17:57:55,117 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:55,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618831479] [2019-10-13 17:57:55,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:55,118 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:55,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:55,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618831479] [2019-10-13 17:57:55,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282932341] [2019-10-13 17:57:55,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:55,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:55,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:55,735 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:55,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:57:55,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:57:55,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260792848] [2019-10-13 17:57:55,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:57:55,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:55,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:57:55,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:55,740 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 3 states. [2019-10-13 17:57:56,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:56,367 INFO L93 Difference]: Finished difference Result 1309 states and 2027 transitions. [2019-10-13 17:57:56,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:57:56,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-13 17:57:56,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:56,374 INFO L225 Difference]: With dead ends: 1309 [2019-10-13 17:57:56,375 INFO L226 Difference]: Without dead ends: 874 [2019-10-13 17:57:56,376 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:56,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-10-13 17:57:56,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 729. [2019-10-13 17:57:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-10-13 17:57:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1104 transitions. [2019-10-13 17:57:56,422 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1104 transitions. Word has length 158 [2019-10-13 17:57:56,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:56,423 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1104 transitions. [2019-10-13 17:57:56,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:57:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1104 transitions. [2019-10-13 17:57:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-13 17:57:56,432 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:56,432 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:56,636 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:56,636 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:56,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:56,637 INFO L82 PathProgramCache]: Analyzing trace with hash -585229963, now seen corresponding path program 1 times [2019-10-13 17:57:56,637 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:56,637 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884540262] [2019-10-13 17:57:56,637 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:56,637 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:56,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:57,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884540262] [2019-10-13 17:57:57,043 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:57:57,043 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 17:57:57,044 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149282474] [2019-10-13 17:57:57,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 17:57:57,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:57,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 17:57:57,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:57:57,055 INFO L87 Difference]: Start difference. First operand 729 states and 1104 transitions. Second operand 8 states. [2019-10-13 17:57:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:59,522 INFO L93 Difference]: Finished difference Result 2406 states and 3995 transitions. [2019-10-13 17:57:59,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 17:57:59,523 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2019-10-13 17:57:59,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:59,537 INFO L225 Difference]: With dead ends: 2406 [2019-10-13 17:57:59,537 INFO L226 Difference]: Without dead ends: 1683 [2019-10-13 17:57:59,540 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:57:59,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2019-10-13 17:57:59,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1633. [2019-10-13 17:57:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1633 states. [2019-10-13 17:57:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2476 transitions. [2019-10-13 17:57:59,619 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2476 transitions. Word has length 164 [2019-10-13 17:57:59,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:59,620 INFO L462 AbstractCegarLoop]: Abstraction has 1633 states and 2476 transitions. [2019-10-13 17:57:59,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 17:57:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2476 transitions. [2019-10-13 17:57:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-13 17:57:59,630 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:59,630 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:59,630 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:59,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:59,631 INFO L82 PathProgramCache]: Analyzing trace with hash 385637137, now seen corresponding path program 1 times [2019-10-13 17:57:59,631 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:59,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314570803] [2019-10-13 17:57:59,631 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:59,632 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:59,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 17:57:59,972 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314570803] [2019-10-13 17:57:59,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885871791] [2019-10-13 17:57:59,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:00,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 17:58:00,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-13 17:58:00,128 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:00,128 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2019-10-13 17:58:00,129 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388201963] [2019-10-13 17:58:00,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:58:00,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:00,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:58:00,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:00,131 INFO L87 Difference]: Start difference. First operand 1633 states and 2476 transitions. Second operand 5 states. [2019-10-13 17:58:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:01,131 INFO L93 Difference]: Finished difference Result 3908 states and 6189 transitions. [2019-10-13 17:58:01,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:58:01,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2019-10-13 17:58:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:01,148 INFO L225 Difference]: With dead ends: 3908 [2019-10-13 17:58:01,148 INFO L226 Difference]: Without dead ends: 2281 [2019-10-13 17:58:01,153 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-10-13 17:58:01,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2019-10-13 17:58:01,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 1967. [2019-10-13 17:58:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1967 states. [2019-10-13 17:58:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1967 states and 2958 transitions. [2019-10-13 17:58:01,236 INFO L78 Accepts]: Start accepts. Automaton has 1967 states and 2958 transitions. Word has length 238 [2019-10-13 17:58:01,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:01,236 INFO L462 AbstractCegarLoop]: Abstraction has 1967 states and 2958 transitions. [2019-10-13 17:58:01,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:58:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2958 transitions. [2019-10-13 17:58:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-13 17:58:01,244 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:01,245 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:01,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:01,448 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:01,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:01,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1331299086, now seen corresponding path program 1 times [2019-10-13 17:58:01,449 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:01,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346768404] [2019-10-13 17:58:01,449 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:01,449 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:01,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:58:01,812 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346768404] [2019-10-13 17:58:01,812 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358707282] [2019-10-13 17:58:01,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:01,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:01,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:01,996 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:01,996 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:58:01,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136715987] [2019-10-13 17:58:01,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:01,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:01,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:01,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:01,999 INFO L87 Difference]: Start difference. First operand 1967 states and 2958 transitions. Second operand 11 states. [2019-10-13 17:58:05,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:05,098 INFO L93 Difference]: Finished difference Result 5300 states and 9215 transitions. [2019-10-13 17:58:05,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 17:58:05,099 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 243 [2019-10-13 17:58:05,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:05,123 INFO L225 Difference]: With dead ends: 5300 [2019-10-13 17:58:05,124 INFO L226 Difference]: Without dead ends: 2079 [2019-10-13 17:58:05,141 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-10-13 17:58:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2019-10-13 17:58:05,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1890. [2019-10-13 17:58:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1890 states. [2019-10-13 17:58:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2852 transitions. [2019-10-13 17:58:05,316 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2852 transitions. Word has length 243 [2019-10-13 17:58:05,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:05,317 INFO L462 AbstractCegarLoop]: Abstraction has 1890 states and 2852 transitions. [2019-10-13 17:58:05,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2852 transitions. [2019-10-13 17:58:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-13 17:58:05,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:05,333 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:05,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:05,537 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:05,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:05,538 INFO L82 PathProgramCache]: Analyzing trace with hash 460526546, now seen corresponding path program 1 times [2019-10-13 17:58:05,538 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:05,539 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633904932] [2019-10-13 17:58:05,542 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:05,548 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:05,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 64 proven. 90 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 17:58:05,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633904932] [2019-10-13 17:58:05,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053631315] [2019-10-13 17:58:05,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:05,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 17:58:05,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-13 17:58:06,124 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:06,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2019-10-13 17:58:06,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891498912] [2019-10-13 17:58:06,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:58:06,126 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:06,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:58:06,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:06,127 INFO L87 Difference]: Start difference. First operand 1890 states and 2852 transitions. Second operand 5 states. [2019-10-13 17:58:06,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:06,947 INFO L93 Difference]: Finished difference Result 3980 states and 5654 transitions. [2019-10-13 17:58:06,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:58:06,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2019-10-13 17:58:06,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:06,960 INFO L225 Difference]: With dead ends: 3980 [2019-10-13 17:58:06,960 INFO L226 Difference]: Without dead ends: 2132 [2019-10-13 17:58:06,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-10-13 17:58:06,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2019-10-13 17:58:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2096. [2019-10-13 17:58:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2019-10-13 17:58:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2641 transitions. [2019-10-13 17:58:07,029 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2641 transitions. Word has length 259 [2019-10-13 17:58:07,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:07,030 INFO L462 AbstractCegarLoop]: Abstraction has 2096 states and 2641 transitions. [2019-10-13 17:58:07,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:58:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2641 transitions. [2019-10-13 17:58:07,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-10-13 17:58:07,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:07,039 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:07,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:07,251 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:07,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:07,252 INFO L82 PathProgramCache]: Analyzing trace with hash 267183301, now seen corresponding path program 1 times [2019-10-13 17:58:07,252 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:07,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867139049] [2019-10-13 17:58:07,252 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:07,252 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:07,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 169 proven. 71 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-10-13 17:58:07,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867139049] [2019-10-13 17:58:07,754 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025586694] [2019-10-13 17:58:07,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:07,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:07,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 301 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-13 17:58:08,027 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:08,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:58:08,027 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855234385] [2019-10-13 17:58:08,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:08,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:08,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:08,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:08,029 INFO L87 Difference]: Start difference. First operand 2096 states and 2641 transitions. Second operand 11 states. [2019-10-13 17:58:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:11,496 INFO L93 Difference]: Finished difference Result 5895 states and 7884 transitions. [2019-10-13 17:58:11,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-13 17:58:11,497 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 332 [2019-10-13 17:58:11,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:11,524 INFO L225 Difference]: With dead ends: 5895 [2019-10-13 17:58:11,524 INFO L226 Difference]: Without dead ends: 3948 [2019-10-13 17:58:11,535 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2019-10-13 17:58:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3948 states. [2019-10-13 17:58:11,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3948 to 3910. [2019-10-13 17:58:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2019-10-13 17:58:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 4875 transitions. [2019-10-13 17:58:11,808 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 4875 transitions. Word has length 332 [2019-10-13 17:58:11,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:11,811 INFO L462 AbstractCegarLoop]: Abstraction has 3910 states and 4875 transitions. [2019-10-13 17:58:11,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 4875 transitions. [2019-10-13 17:58:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2019-10-13 17:58:11,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:11,843 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:12,049 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:12,049 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:12,050 INFO L82 PathProgramCache]: Analyzing trace with hash 708314986, now seen corresponding path program 1 times [2019-10-13 17:58:12,050 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:12,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967365426] [2019-10-13 17:58:12,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:12,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:12,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 282 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-13 17:58:12,560 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967365426] [2019-10-13 17:58:12,562 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961659717] [2019-10-13 17:58:12,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:12,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:12,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-13 17:58:12,982 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:12,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-13 17:58:12,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368321470] [2019-10-13 17:58:12,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:58:12,987 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:12,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:58:12,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:58:12,997 INFO L87 Difference]: Start difference. First operand 3910 states and 4875 transitions. Second operand 9 states. [2019-10-13 17:58:14,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:14,828 INFO L93 Difference]: Finished difference Result 9085 states and 12397 transitions. [2019-10-13 17:58:14,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:58:14,828 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 351 [2019-10-13 17:58:14,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:14,861 INFO L225 Difference]: With dead ends: 9085 [2019-10-13 17:58:14,862 INFO L226 Difference]: Without dead ends: 5324 [2019-10-13 17:58:14,875 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 359 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:58:14,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2019-10-13 17:58:15,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5090. [2019-10-13 17:58:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5090 states. [2019-10-13 17:58:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5090 states to 5090 states and 6304 transitions. [2019-10-13 17:58:15,097 INFO L78 Accepts]: Start accepts. Automaton has 5090 states and 6304 transitions. Word has length 351 [2019-10-13 17:58:15,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:15,098 INFO L462 AbstractCegarLoop]: Abstraction has 5090 states and 6304 transitions. [2019-10-13 17:58:15,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:58:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 5090 states and 6304 transitions. [2019-10-13 17:58:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-10-13 17:58:15,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:15,126 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:15,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:15,331 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:15,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:15,332 INFO L82 PathProgramCache]: Analyzing trace with hash 95899057, now seen corresponding path program 1 times [2019-10-13 17:58:15,332 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:15,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735167688] [2019-10-13 17:58:15,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:15,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:15,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:58:15,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735167688] [2019-10-13 17:58:15,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619265235] [2019-10-13 17:58:15,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:15,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 17:58:15,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:15,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 17:58:15,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 17:58:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:58:16,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:16,230 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:58:16,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078143987] [2019-10-13 17:58:16,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:58:16,233 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:16,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:58:16,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:16,233 INFO L87 Difference]: Start difference. First operand 5090 states and 6304 transitions. Second operand 3 states. [2019-10-13 17:58:17,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:17,181 INFO L93 Difference]: Finished difference Result 10891 states and 13584 transitions. [2019-10-13 17:58:17,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:58:17,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2019-10-13 17:58:17,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:17,182 INFO L225 Difference]: With dead ends: 10891 [2019-10-13 17:58:17,182 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:58:17,207 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:58:17,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:58:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:58:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:58:17,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2019-10-13 17:58:17,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:17,209 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:58:17,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:58:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:58:17,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:58:17,412 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:17,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:58:18,666 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 226 [2019-10-13 17:58:19,299 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 226 [2019-10-13 17:58:19,913 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 57 [2019-10-13 17:58:20,950 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 46 [2019-10-13 17:58:21,991 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 223 DAG size of output: 46 [2019-10-13 17:58:21,993 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:58:21,994 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-13 17:58:21,994 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:58:21,994 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-13 17:58:21,994 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,994 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,994 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 17:58:21,995 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,996 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-13 17:58:21,997 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-13 17:58:21,998 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 17:58:21,999 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,000 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 17:58:22,001 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-13 17:58:22,002 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-13 17:58:22,003 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 17:58:22,004 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,005 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,006 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-13 17:58:22,007 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-13 17:58:22,008 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= 4 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)))) (and (or .cse0 (not (<= |old(~a19~0)| 8)) (forall ((v_~a1~0_347 Int)) (or (not (< 38 v_~a1~0_347)) (not (<= 0 (* 10 v_~a1~0_347))) (not (<= (+ |old(~a1~0)| 333686) (* 5 (div (* v_~a1~0_347 10) (- 9))))))) .cse1) (or (not (<= 219 |old(~a1~0)|)) .cse0 .cse1 .cse2 (= 6 |old(~a19~0)|)) (or .cse1 (not (= 8 |old(~a19~0)|))) (or .cse1 .cse0 .cse2 (not (<= 9 |old(~a19~0)|))) (or .cse1 (not (<= |old(~a10~0)| 3))))) [2019-10-13 17:58:22,008 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-13 17:58:22,008 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-13 17:58:22,008 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-13 17:58:22,008 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,008 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,008 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,008 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-13 17:58:22,009 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,010 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-13 17:58:22,011 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-13 17:58:22,012 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-13 17:58:22,013 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-13 17:58:22,014 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:58:22,014 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-13 17:58:22,014 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:58:22,014 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:58:22,014 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a19~0)| 9)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:58:22,014 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:58:22,014 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= ~a10~0 4))) (or (<= ~a10~0 3) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (= ~a19~0 8) (and (exists ((v_~a1~0_347 Int)) (and (<= (+ ~a1~0 333686) (* 5 (div (* v_~a1~0_347 10) (- 9)))) (< 38 v_~a1~0_347) (<= 0 (* 10 v_~a1~0_347)))) (and (<= ~a19~0 8) .cse0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (<= ~a19~0 9) .cse0 (<= 9 ~a19~0)))) [2019-10-13 17:58:22,015 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 17:58:22,015 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 17:58:22,015 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= ~a10~0 4))) (or (<= ~a10~0 3) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (= ~a19~0 8) (and (exists ((v_~a1~0_347 Int)) (and (<= (+ ~a1~0 333686) (* 5 (div (* v_~a1~0_347 10) (- 9)))) (< 38 v_~a1~0_347) (<= 0 (* 10 v_~a1~0_347)))) (and (<= ~a19~0 8) .cse0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (<= ~a19~0 9) .cse0 (<= 9 ~a19~0)))) [2019-10-13 17:58:22,015 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:58:22,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:58:22 BoogieIcfgContainer [2019-10-13 17:58:22,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:58:22,037 INFO L168 Benchmark]: Toolchain (without parser) took 31881.23 ms. Allocated memory was 146.3 MB in the beginning and 719.3 MB in the end (delta: 573.0 MB). Free memory was 102.2 MB in the beginning and 630.2 MB in the end (delta: -528.0 MB). Peak memory consumption was 588.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:22,038 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:58:22,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.55 ms. Allocated memory was 146.3 MB in the beginning and 206.6 MB in the end (delta: 60.3 MB). Free memory was 102.0 MB in the beginning and 172.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:22,039 INFO L168 Benchmark]: Boogie Preprocessor took 102.93 ms. Allocated memory is still 206.6 MB. Free memory was 172.6 MB in the beginning and 167.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:22,040 INFO L168 Benchmark]: RCFGBuilder took 1324.01 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 181.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:22,041 INFO L168 Benchmark]: TraceAbstraction took 29718.99 ms. Allocated memory was 238.0 MB in the beginning and 719.3 MB in the end (delta: 481.3 MB). Free memory was 181.6 MB in the beginning and 630.2 MB in the end (delta: -448.6 MB). Peak memory consumption was 576.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:58:22,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.55 ms. Allocated memory was 146.3 MB in the beginning and 206.6 MB in the end (delta: 60.3 MB). Free memory was 102.0 MB in the beginning and 172.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.93 ms. Allocated memory is still 206.6 MB. Free memory was 172.6 MB in the beginning and 167.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1324.01 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 181.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29718.99 ms. Allocated memory was 238.0 MB in the beginning and 719.3 MB in the end (delta: 481.3 MB). Free memory was 181.6 MB in the beginning and 630.2 MB in the end (delta: -448.6 MB). Peak memory consumption was 576.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2019-10-13 17:58:22,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:58:22,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] Derived loop invariant: ((((((a10 <= 3 || !(\old(a19) <= 9)) || !(\old(a10) <= 0)) || a19 == 8) || ((\exists v_~a1~0_347 : int :: (a1 + 333686 <= 5 * (v_~a1~0_347 * 10 / -9) && 38 < v_~a1~0_347) && 0 <= 10 * v_~a1~0_347) && a19 <= 8 && a10 == 4)) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || ((a19 <= 9 && a10 == 4) && 9 <= a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 29.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, HoareTripleCheckerStatistics: 480 SDtfs, 4221 SDslu, 431 SDs, 0 SdLazy, 10433 SolverSat, 1837 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2100 GetRequests, 1998 SyntacticMatches, 3 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5090occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 1012 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 281 PreInvPairs, 469 NumberOfFragments, 319 HoareAnnotationTreeSize, 281 FomulaSimplifications, 66926 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13127 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 4093 NumberOfCodeBlocks, 4093 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4077 ConstructedInterpolants, 35 QuantifiedInterpolants, 2727933 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3253 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 2876/3120 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...