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/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:53:44,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:53:44,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:53:44,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:53:44,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:53:44,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:53:44,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:53:44,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:53:44,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:53:44,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:53:44,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:53:44,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:53:44,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:53:44,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:53:44,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:53:44,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:53:44,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:53:44,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:53:44,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:53:44,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:53:44,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:53:44,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:53:44,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:53:44,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:53:44,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:53:44,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:53:44,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:53:44,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:53:44,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:53:44,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:53:44,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:53:44,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:53:44,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:53:44,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:53:44,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:53:44,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:53:44,935 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 17:53:44,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:53:44,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:53:44,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:53:44,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:53:44,959 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:53:44,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:53:44,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:53:44,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:53:44,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:53:44,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:53:44,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:53:44,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:53:44,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:53:44,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:53:44,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:53:44,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:53:44,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:53:44,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:53:44,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:53:44,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:53:44,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:53:44,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:53:44,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:53:44,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:53:44,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:53:44,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:53:44,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:53:44,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:53:44,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:53:45,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:53:45,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:53:45,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:53:45,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:53:45,284 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:53:45,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2019-10-13 17:53:45,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34aa37492/5cebc15bd9bc4f61a88d5e8e9d57dd02/FLAG2b699338b [2019-10-13 17:53:45,948 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:53:45,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2019-10-13 17:53:45,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34aa37492/5cebc15bd9bc4f61a88d5e8e9d57dd02/FLAG2b699338b [2019-10-13 17:53:46,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34aa37492/5cebc15bd9bc4f61a88d5e8e9d57dd02 [2019-10-13 17:53:46,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:53:46,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:53:46,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:53:46,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:53:46,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:53:46,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:46,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247dfb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46, skipping insertion in model container [2019-10-13 17:53:46,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:46,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:53:46,242 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:53:46,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:53:46,873 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:53:46,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:53:46,989 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:53:46,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46 WrapperNode [2019-10-13 17:53:46,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:53:46,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:53:46,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:53:46,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:53:47,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:47,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:47,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:47,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:47,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:47,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:47,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (1/1) ... [2019-10-13 17:53:47,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:53:47,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:53:47,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:53:47,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:53:47,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (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 17:53:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:53:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:53:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:53:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:53:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:53:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:53:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:53:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:53:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:53:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:53:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:53:48,394 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:53:48,394 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:53:48,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:53:48 BoogieIcfgContainer [2019-10-13 17:53:48,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:53:48,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:53:48,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:53:48,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:53:48,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:53:46" (1/3) ... [2019-10-13 17:53:48,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd31112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:53:48, skipping insertion in model container [2019-10-13 17:53:48,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:46" (2/3) ... [2019-10-13 17:53:48,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd31112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:53:48, skipping insertion in model container [2019-10-13 17:53:48,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:53:48" (3/3) ... [2019-10-13 17:53:48,405 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2019-10-13 17:53:48,415 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:53:48,426 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:53:48,438 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:53:48,481 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:53:48,481 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:53:48,483 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:53:48,483 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:53:48,483 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:53:48,484 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:53:48,484 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:53:48,485 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:53:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-13 17:53:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 17:53:48,543 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:48,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:48,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:48,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:48,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2019-10-13 17:53:48,563 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:48,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889581019] [2019-10-13 17:53:48,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:48,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:48,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:49,297 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 17:53:49,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889581019] [2019-10-13 17:53:49,299 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:53:49,299 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:53:49,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040900927] [2019-10-13 17:53:49,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:53:49,308 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:49,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:53:49,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:53:49,328 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-10-13 17:53:51,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:51,581 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2019-10-13 17:53:51,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:53:51,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2019-10-13 17:53:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:51,603 INFO L225 Difference]: With dead ends: 813 [2019-10-13 17:53:51,603 INFO L226 Difference]: Without dead ends: 488 [2019-10-13 17:53:51,612 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-13 17:53:51,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2019-10-13 17:53:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2019-10-13 17:53:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2019-10-13 17:53:51,708 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 132 [2019-10-13 17:53:51,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:51,709 INFO L462 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2019-10-13 17:53:51,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:53:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2019-10-13 17:53:51,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 17:53:51,716 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:51,716 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:51,717 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:51,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:51,717 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2019-10-13 17:53:51,717 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:51,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930574637] [2019-10-13 17:53:51,718 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:51,718 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:51,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:52,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930574637] [2019-10-13 17:53:52,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595950333] [2019-10-13 17:53:52,074 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 17:53:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:52,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:52,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:52,336 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:52,336 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:53:52,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909209469] [2019-10-13 17:53:52,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:52,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:52,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:52,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:52,340 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2019-10-13 17:53:52,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:52,880 INFO L93 Difference]: Finished difference Result 1246 states and 1820 transitions. [2019-10-13 17:53:52,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:52,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-10-13 17:53:52,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:52,887 INFO L225 Difference]: With dead ends: 1246 [2019-10-13 17:53:52,887 INFO L226 Difference]: Without dead ends: 771 [2019-10-13 17:53:52,890 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:52,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2019-10-13 17:53:52,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 626. [2019-10-13 17:53:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2019-10-13 17:53:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 917 transitions. [2019-10-13 17:53:52,931 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 917 transitions. Word has length 140 [2019-10-13 17:53:52,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:52,931 INFO L462 AbstractCegarLoop]: Abstraction has 626 states and 917 transitions. [2019-10-13 17:53:52,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 917 transitions. [2019-10-13 17:53:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-13 17:53:52,935 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:52,935 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:53,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:53,142 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:53,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:53,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2019-10-13 17:53:53,144 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:53,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087053121] [2019-10-13 17:53:53,145 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:53,145 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:53,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:53,397 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087053121] [2019-10-13 17:53:53,398 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:53:53,398 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:53:53,398 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988479976] [2019-10-13 17:53:53,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:53:53,399 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:53,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:53:53,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:53:53,400 INFO L87 Difference]: Start difference. First operand 626 states and 917 transitions. Second operand 9 states. [2019-10-13 17:53:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:55,403 INFO L93 Difference]: Finished difference Result 2498 states and 3873 transitions. [2019-10-13 17:53:55,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 17:53:55,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2019-10-13 17:53:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:55,419 INFO L225 Difference]: With dead ends: 2498 [2019-10-13 17:53:55,419 INFO L226 Difference]: Without dead ends: 1878 [2019-10-13 17:53:55,422 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:53:55,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2019-10-13 17:53:55,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1534. [2019-10-13 17:53:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1534 states. [2019-10-13 17:53:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2200 transitions. [2019-10-13 17:53:55,496 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2200 transitions. Word has length 154 [2019-10-13 17:53:55,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:55,496 INFO L462 AbstractCegarLoop]: Abstraction has 1534 states and 2200 transitions. [2019-10-13 17:53:55,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:53:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2200 transitions. [2019-10-13 17:53:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 17:53:55,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:55,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:55,504 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:55,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:55,504 INFO L82 PathProgramCache]: Analyzing trace with hash 124353046, now seen corresponding path program 1 times [2019-10-13 17:53:55,504 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:55,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061855679] [2019-10-13 17:53:55,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:55,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:55,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:55,874 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061855679] [2019-10-13 17:53:55,874 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280510729] [2019-10-13 17:53:55,875 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 17:53:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:55,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:56,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:56,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:56,074 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:53:56,075 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288215569] [2019-10-13 17:53:56,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:56,076 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:56,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:56,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:56,077 INFO L87 Difference]: Start difference. First operand 1534 states and 2200 transitions. Second operand 3 states. [2019-10-13 17:53:56,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:56,643 INFO L93 Difference]: Finished difference Result 4519 states and 6663 transitions. [2019-10-13 17:53:56,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:56,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-13 17:53:56,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:56,661 INFO L225 Difference]: With dead ends: 4519 [2019-10-13 17:53:56,661 INFO L226 Difference]: Without dead ends: 2991 [2019-10-13 17:53:56,667 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:56,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2019-10-13 17:53:56,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2844. [2019-10-13 17:53:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2844 states. [2019-10-13 17:53:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 3737 transitions. [2019-10-13 17:53:56,756 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 3737 transitions. Word has length 158 [2019-10-13 17:53:56,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:56,757 INFO L462 AbstractCegarLoop]: Abstraction has 2844 states and 3737 transitions. [2019-10-13 17:53:56,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3737 transitions. [2019-10-13 17:53:56,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-13 17:53:56,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:56,768 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:56,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:56,975 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:56,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:56,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1887045313, now seen corresponding path program 1 times [2019-10-13 17:53:56,975 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:56,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749373004] [2019-10-13 17:53:56,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:56,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:56,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:53:57,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749373004] [2019-10-13 17:53:57,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194019443] [2019-10-13 17:53:57,195 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 17:53:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:57,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:57,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:57,380 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:53:57,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:53:57,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517052139] [2019-10-13 17:53:57,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:53:57,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:57,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:53:57,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:53:57,383 INFO L87 Difference]: Start difference. First operand 2844 states and 3737 transitions. Second operand 11 states. [2019-10-13 17:54:01,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:01,626 INFO L93 Difference]: Finished difference Result 10758 states and 16556 transitions. [2019-10-13 17:54:01,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-13 17:54:01,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2019-10-13 17:54:01,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:01,677 INFO L225 Difference]: With dead ends: 10758 [2019-10-13 17:54:01,678 INFO L226 Difference]: Without dead ends: 7920 [2019-10-13 17:54:01,692 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2019-10-13 17:54:01,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7920 states. [2019-10-13 17:54:01,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7920 to 7130. [2019-10-13 17:54:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7130 states. [2019-10-13 17:54:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7130 states to 7130 states and 9009 transitions. [2019-10-13 17:54:01,980 INFO L78 Accepts]: Start accepts. Automaton has 7130 states and 9009 transitions. Word has length 171 [2019-10-13 17:54:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:01,981 INFO L462 AbstractCegarLoop]: Abstraction has 7130 states and 9009 transitions. [2019-10-13 17:54:01,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7130 states and 9009 transitions. [2019-10-13 17:54:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-13 17:54:02,012 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:02,012 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:02,216 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:02,217 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:02,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:02,218 INFO L82 PathProgramCache]: Analyzing trace with hash 424321036, now seen corresponding path program 1 times [2019-10-13 17:54:02,218 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:02,218 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651243596] [2019-10-13 17:54:02,219 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:02,219 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:02,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 17:54:02,457 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651243596] [2019-10-13 17:54:02,457 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104338138] [2019-10-13 17:54:02,457 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 17:54:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:02,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:02,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 17:54:02,691 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:02,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:54:02,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59376860] [2019-10-13 17:54:02,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:02,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:02,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:02,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:02,693 INFO L87 Difference]: Start difference. First operand 7130 states and 9009 transitions. Second operand 11 states. [2019-10-13 17:54:04,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:04,660 INFO L93 Difference]: Finished difference Result 13572 states and 16985 transitions. [2019-10-13 17:54:04,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:54:04,661 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2019-10-13 17:54:04,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:04,692 INFO L225 Difference]: With dead ends: 13572 [2019-10-13 17:54:04,692 INFO L226 Difference]: Without dead ends: 7111 [2019-10-13 17:54:04,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:54:04,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7111 states. [2019-10-13 17:54:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7111 to 6816. [2019-10-13 17:54:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6816 states. [2019-10-13 17:54:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 8044 transitions. [2019-10-13 17:54:04,882 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 8044 transitions. Word has length 220 [2019-10-13 17:54:04,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:04,883 INFO L462 AbstractCegarLoop]: Abstraction has 6816 states and 8044 transitions. [2019-10-13 17:54:04,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 8044 transitions. [2019-10-13 17:54:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-13 17:54:04,908 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:04,909 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:05,114 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:05,114 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:05,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1275640172, now seen corresponding path program 1 times [2019-10-13 17:54:05,115 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:05,115 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445562993] [2019-10-13 17:54:05,115 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:05,115 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:05,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-13 17:54:05,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445562993] [2019-10-13 17:54:05,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281743028] [2019-10-13 17:54:05,364 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 17:54:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:05,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:05,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-10-13 17:54:05,779 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:05,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:54:05,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855716700] [2019-10-13 17:54:05,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:05,781 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:05,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:05,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:05,782 INFO L87 Difference]: Start difference. First operand 6816 states and 8044 transitions. Second operand 11 states. [2019-10-13 17:54:10,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:10,566 INFO L93 Difference]: Finished difference Result 13962 states and 16546 transitions. [2019-10-13 17:54:10,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-13 17:54:10,567 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 224 [2019-10-13 17:54:10,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:10,603 INFO L225 Difference]: With dead ends: 13962 [2019-10-13 17:54:10,604 INFO L226 Difference]: Without dead ends: 6852 [2019-10-13 17:54:10,621 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=245, Invalid=945, Unknown=0, NotChecked=0, Total=1190 [2019-10-13 17:54:10,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6852 states. [2019-10-13 17:54:10,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6852 to 6543. [2019-10-13 17:54:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6543 states. [2019-10-13 17:54:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6543 states to 6543 states and 7391 transitions. [2019-10-13 17:54:10,842 INFO L78 Accepts]: Start accepts. Automaton has 6543 states and 7391 transitions. Word has length 224 [2019-10-13 17:54:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:10,842 INFO L462 AbstractCegarLoop]: Abstraction has 6543 states and 7391 transitions. [2019-10-13 17:54:10,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6543 states and 7391 transitions. [2019-10-13 17:54:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-13 17:54:10,862 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:10,863 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:11,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:11,067 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:11,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:11,068 INFO L82 PathProgramCache]: Analyzing trace with hash -660512254, now seen corresponding path program 1 times [2019-10-13 17:54:11,069 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:11,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073128789] [2019-10-13 17:54:11,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:11,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:11,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 147 proven. 22 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-10-13 17:54:11,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073128789] [2019-10-13 17:54:11,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166131078] [2019-10-13 17:54:11,372 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 17:54:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:11,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:11,597 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-10-13 17:54:11,597 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:11,598 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:54:11,598 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515244143] [2019-10-13 17:54:11,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:11,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:11,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:11,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:11,607 INFO L87 Difference]: Start difference. First operand 6543 states and 7391 transitions. Second operand 11 states. [2019-10-13 17:54:13,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:13,053 INFO L93 Difference]: Finished difference Result 10603 states and 12040 transitions. [2019-10-13 17:54:13,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:54:13,057 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 272 [2019-10-13 17:54:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:13,077 INFO L225 Difference]: With dead ends: 10603 [2019-10-13 17:54:13,077 INFO L226 Difference]: Without dead ends: 4204 [2019-10-13 17:54:13,089 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:54:13,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4204 states. [2019-10-13 17:54:13,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4204 to 3574. [2019-10-13 17:54:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3574 states. [2019-10-13 17:54:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 3852 transitions. [2019-10-13 17:54:13,166 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 3852 transitions. Word has length 272 [2019-10-13 17:54:13,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:13,166 INFO L462 AbstractCegarLoop]: Abstraction has 3574 states and 3852 transitions. [2019-10-13 17:54:13,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 3852 transitions. [2019-10-13 17:54:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-13 17:54:13,178 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:13,178 INFO L380 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 17:54:13,383 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:13,383 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:13,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:13,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1217897682, now seen corresponding path program 1 times [2019-10-13 17:54:13,384 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:13,384 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571046512] [2019-10-13 17:54:13,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:13,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:13,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 17:54:13,759 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571046512] [2019-10-13 17:54:13,759 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558392225] [2019-10-13 17:54:13,760 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 17:54:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:13,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-10-13 17:54:14,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:14,075 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-13 17:54:14,075 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658377626] [2019-10-13 17:54:14,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:14,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:14,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:14,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:14,083 INFO L87 Difference]: Start difference. First operand 3574 states and 3852 transitions. Second operand 3 states. [2019-10-13 17:54:14,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:14,647 INFO L93 Difference]: Finished difference Result 5082 states and 5460 transitions. [2019-10-13 17:54:14,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:14,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-13 17:54:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:14,649 INFO L225 Difference]: With dead ends: 5082 [2019-10-13 17:54:14,649 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:54:14,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 291 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:14,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:54:14,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:54:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:54:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:54:14,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2019-10-13 17:54:14,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:14,661 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:54:14,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:54:14,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:54:14,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:14,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:54:15,392 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 146 [2019-10-13 17:54:15,592 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 146 [2019-10-13 17:54:16,901 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 183 DAG size of output: 66 [2019-10-13 17:54:17,271 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2019-10-13 17:54:17,679 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2019-10-13 17:54:17,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:54:17,682 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 17:54:17,683 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-13 17:54:17,684 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 17:54:17,684 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 17:54:17,684 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 17:54:17,684 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-13 17:54:17,684 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 17:54:17,684 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 17:54:17,684 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 17:54:17,685 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 17:54:17,686 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 17:54:17,687 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 17:54:17,688 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 17:54:17,689 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 17:54:17,690 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 17:54:17,691 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,692 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 17:54:17,693 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,694 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:54:17,695 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 17:54:17,696 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,697 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-13 17:54:17,698 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,699 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 17:54:17,700 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 17:54:17,701 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 17:54:17,702 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 17:54:17,702 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,702 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,702 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,702 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse7 (not (<= 10 |old(~a28~0)|))) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a25~0 |old(~a25~0)|))) (let ((.cse8 (not (<= |old(~a28~0)| 9))) (.cse10 (not (<= |old(~a17~0)| 8))) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse17 (not (<= |old(~a28~0)| 7))) (.cse1 (= 1 |old(~a11~0)|)) (.cse9 (not (<= |old(~a25~0)| 0))) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse4 (and .cse11 (= ~a17~0 8) .cse13 .cse14 .cse15)) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse16 (or (not (<= 8 |old(~a17~0)|)) .cse6 .cse7)) (.cse5 (and .cse11 .cse12 .cse13 .cse14 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 (not (<= |old(~a11~0)| 0))) (or .cse8 .cse4 (or .cse6 .cse3 .cse9)) (or .cse8 .cse2 .cse10 .cse5) (or .cse0 .cse7 .cse5 .cse10 .cse9) (or (and (and .cse11 .cse12 .cse13 .cse14) .cse15) .cse3 (or .cse2 .cse16)) (or .cse17 .cse1 .cse5 .cse2 .cse6) (or (or .cse17 .cse3 .cse9) .cse4) (or .cse1 (not (<= |old(~a28~0)| 8)) .cse9 .cse3 .cse4) (or .cse0 .cse16 .cse5)))) [2019-10-13 17:54:17,702 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,702 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 17:54:17,703 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,704 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-13 17:54:17,705 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 17:54:17,706 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 17:54:17,707 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 17:54:17,708 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 17:54:17,709 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:54:17,710 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (= ~a17~0 8) (= ~a19~0 1) (<= ~a11~0 0) (<= ~a25~0 0)) [2019-10-13 17:54:17,710 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:54:17,710 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:54:17,710 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 1 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (not (= 8 |old(~a17~0)|))) [2019-10-13 17:54:17,710 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 7)) (.cse0 (not (= 1 ~a11~0))) (.cse3 (= ~a25~0 1)) (.cse9 (<= ~a17~0 8)) (.cse6 (<= 10 ~a28~0)) (.cse7 (<= ~a28~0 10)) (.cse4 (= ~a17~0 8)) (.cse2 (= ~a19~0 1)) (.cse5 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 8) .cse4 .cse5) (and (and .cse2 .cse3) .cse4) (and .cse6 .cse7 .cse2 (<= ~a11~0 0)) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse3 .cse9) (and .cse1 .cse4 .cse5) (and .cse0 .cse7 .cse4 .cse3) (and .cse6 .cse7 .cse5 .cse9) (not (<= |old(~a25~0)| 0)) (and .cse6 (<= 8 ~a17~0) .cse7 .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (and .cse4 .cse2 .cse5) .cse8))) [2019-10-13 17:54:17,710 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:54:17,710 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:54:17,711 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 7)) (.cse0 (not (= 1 ~a11~0))) (.cse3 (= ~a25~0 1)) (.cse9 (<= ~a17~0 8)) (.cse6 (<= 10 ~a28~0)) (.cse7 (<= ~a28~0 10)) (.cse4 (= ~a17~0 8)) (.cse2 (= ~a19~0 1)) (.cse5 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 8) .cse4 .cse5) (and (and .cse2 .cse3) .cse4) (and .cse6 .cse7 .cse2 (<= ~a11~0 0)) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse3 .cse9) (and .cse1 .cse4 .cse5) (and .cse0 .cse7 .cse4 .cse3) (and .cse6 .cse7 .cse5 .cse9) (not (<= |old(~a25~0)| 0)) (and .cse6 (<= 8 ~a17~0) .cse7 .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (and .cse4 .cse2 .cse5) .cse8))) [2019-10-13 17:54:17,711 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 17:54:17,711 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 17:54:17,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:54:17 BoogieIcfgContainer [2019-10-13 17:54:17,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:54:17,732 INFO L168 Benchmark]: Toolchain (without parser) took 31569.52 ms. Allocated memory was 138.4 MB in the beginning and 705.7 MB in the end (delta: 567.3 MB). Free memory was 100.5 MB in the beginning and 592.7 MB in the end (delta: -492.3 MB). Peak memory consumption was 603.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:17,733 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:54:17,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.69 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.3 MB in the beginning and 171.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:17,734 INFO L168 Benchmark]: Boogie Preprocessor took 121.92 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:17,735 INFO L168 Benchmark]: RCFGBuilder took 1283.28 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 183.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:17,736 INFO L168 Benchmark]: TraceAbstraction took 29332.76 ms. Allocated memory was 237.5 MB in the beginning and 705.7 MB in the end (delta: 468.2 MB). Free memory was 183.5 MB in the beginning and 592.7 MB in the end (delta: -409.3 MB). Peak memory consumption was 587.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:17,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 826.69 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.3 MB in the beginning and 171.3 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.92 ms. Allocated memory is still 204.5 MB. Free memory was 171.3 MB in the beginning and 166.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1283.28 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 183.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29332.76 ms. Allocated memory was 237.5 MB in the beginning and 705.7 MB in the end (delta: 468.2 MB). Free memory was 183.5 MB in the beginning and 592.7 MB in the end (delta: -409.3 MB). Peak memory consumption was 587.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == a11) && a28 <= 7) && a19 == 1) && a25 == 1) || !(\old(a28) <= 7)) || (((!(1 == a11) && a28 <= 8) && a17 == 8) && a25 <= 0)) || ((a19 == 1 && a25 == 1) && a17 == 8)) || (((10 <= a28 && a28 <= 10) && a19 == 1) && a11 <= 0)) || !(\old(a11) <= 0)) || ((a28 <= 9 && a25 == 1) && a17 <= 8)) || ((a28 <= 7 && a17 == 8) && a25 <= 0)) || (((!(1 == a11) && a28 <= 10) && a17 == 8) && a25 == 1)) || (((10 <= a28 && a28 <= 10) && a25 <= 0) && a17 <= 8)) || !(\old(a25) <= 0)) || (((10 <= a28 && 8 <= a17) && a28 <= 10) && a19 == 1)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((a17 == 8 && a19 == 1) && a25 <= 0) && a28 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 29.2s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 462 SDtfs, 6396 SDslu, 638 SDs, 0 SdLazy, 10895 SolverSat, 2250 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1685 GetRequests, 1554 SyntacticMatches, 4 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7130occurred in iteration=5, 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, 2667 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 212 PreInvPairs, 284 NumberOfFragments, 730 HoareAnnotationTreeSize, 212 FomulaSimplifications, 26568 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5128 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3228 NumberOfCodeBlocks, 3228 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3212 ConstructedInterpolants, 0 QuantifiedInterpolants, 1796684 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3522 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 1775/1897 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...