/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:40:02,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:40:02,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:40:02,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:40:02,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:40:02,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:40:02,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:40:02,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:40:02,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:40:02,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:40:02,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:40:02,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:40:02,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:40:02,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:40:02,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:40:02,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:40:02,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:40:02,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:40:02,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:40:02,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:40:02,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:40:02,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:40:02,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:40:02,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:40:02,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 11:40:02,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 11:40:02,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 11:40:02,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 11:40:02,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 11:40:02,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 11:40:02,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 11:40:02,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 11:40:02,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 11:40:02,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 11:40:02,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 11:40:02,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 11:40:02,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 11:40:02,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 11:40:02,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:40:02,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:40:02,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:40:02,883 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 [2020-07-20 11:40:02,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:40:02,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:40:02,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:40:02,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:40:02,901 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:40:02,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:40:02,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:40:02,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:40:02,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:40:02,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:40:02,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:40:02,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:40:02,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:40:02,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:40:02,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:40:02,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:40:02,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:40:02,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:40:02,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:40:02,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:40:02,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:40:02,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:40:02,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:40:02,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:40:02,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:40:02,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:40:02,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:02,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:40:02,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:40:02,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 11:40:03,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:40:03,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:40:03,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:40:03,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:40:03,189 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:40:03,189 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-20 11:40:03,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6cadf9f/170e6273405d43ceb982b29eae8666ea/FLAGa596b276e [2020-07-20 11:40:03,834 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:40:03,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-07-20 11:40:03,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6cadf9f/170e6273405d43ceb982b29eae8666ea/FLAGa596b276e [2020-07-20 11:40:04,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6cadf9f/170e6273405d43ceb982b29eae8666ea [2020-07-20 11:40:04,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:40:04,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:40:04,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:40:04,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:40:04,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:40:04,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:04" (1/1) ... [2020-07-20 11:40:04,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dbe1777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:04, skipping insertion in model container [2020-07-20 11:40:04,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:04" (1/1) ... [2020-07-20 11:40:04,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:40:04,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:40:04,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:40:04,914 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:40:05,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:40:05,222 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:40:05,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05 WrapperNode [2020-07-20 11:40:05,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:40:05,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:40:05,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:40:05,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:40:05,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (1/1) ... [2020-07-20 11:40:05,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (1/1) ... [2020-07-20 11:40:05,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (1/1) ... [2020-07-20 11:40:05,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (1/1) ... [2020-07-20 11:40:05,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (1/1) ... [2020-07-20 11:40:05,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (1/1) ... [2020-07-20 11:40:05,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (1/1) ... [2020-07-20 11:40:05,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:40:05,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:40:05,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:40:05,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:40:05,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (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 [2020-07-20 11:40:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:40:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:40:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 11:40:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:40:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 11:40:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:40:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:40:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 11:40:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:40:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:40:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:40:07,198 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:40:07,199 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 11:40:07,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:07 BoogieIcfgContainer [2020-07-20 11:40:07,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:40:07,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:40:07,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:40:07,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:40:07,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:40:04" (1/3) ... [2020-07-20 11:40:07,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473353b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:07, skipping insertion in model container [2020-07-20 11:40:07,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:05" (2/3) ... [2020-07-20 11:40:07,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473353b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:07, skipping insertion in model container [2020-07-20 11:40:07,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:07" (3/3) ... [2020-07-20 11:40:07,216 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-07-20 11:40:07,228 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:40:07,237 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:40:07,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:40:07,280 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:40:07,281 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:40:07,281 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:40:07,281 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:40:07,281 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:40:07,282 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:40:07,282 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:40:07,282 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:40:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-07-20 11:40:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 11:40:07,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:07,318 INFO L422 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] [2020-07-20 11:40:07,319 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:07,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-07-20 11:40:07,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:07,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552093704] [2020-07-20 11:40:07,338 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:07,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:40:07,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:40:07,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:07,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552093704] [2020-07-20 11:40:07,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:07,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:40:07,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882173656] [2020-07-20 11:40:07,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:40:07,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:07,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:40:07,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:07,664 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2020-07-20 11:40:09,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:09,076 INFO L93 Difference]: Finished difference Result 788 states and 1383 transitions. [2020-07-20 11:40:09,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:40:09,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-20 11:40:09,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:09,108 INFO L225 Difference]: With dead ends: 788 [2020-07-20 11:40:09,109 INFO L226 Difference]: Without dead ends: 434 [2020-07-20 11:40:09,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:09,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-20 11:40:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 424. [2020-07-20 11:40:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-20 11:40:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 640 transitions. [2020-07-20 11:40:09,196 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 640 transitions. Word has length 40 [2020-07-20 11:40:09,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:09,197 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 640 transitions. [2020-07-20 11:40:09,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:40:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 640 transitions. [2020-07-20 11:40:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 11:40:09,205 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:09,205 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:09,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:09,407 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:09,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1781272370, now seen corresponding path program 1 times [2020-07-20 11:40:09,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:09,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903610379] [2020-07-20 11:40:09,409 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:09,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:40:09,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:40:09,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:09,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903610379] [2020-07-20 11:40:09,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:09,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:40:09,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60769223] [2020-07-20 11:40:09,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:40:09,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:09,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:40:09,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:40:09,554 INFO L87 Difference]: Start difference. First operand 424 states and 640 transitions. Second operand 5 states. [2020-07-20 11:40:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:11,369 INFO L93 Difference]: Finished difference Result 1253 states and 1925 transitions. [2020-07-20 11:40:11,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:40:11,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-07-20 11:40:11,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:11,375 INFO L225 Difference]: With dead ends: 1253 [2020-07-20 11:40:11,376 INFO L226 Difference]: Without dead ends: 835 [2020-07-20 11:40:11,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:40:11,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-07-20 11:40:11,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 823. [2020-07-20 11:40:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-07-20 11:40:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1135 transitions. [2020-07-20 11:40:11,452 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1135 transitions. Word has length 110 [2020-07-20 11:40:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:11,455 INFO L479 AbstractCegarLoop]: Abstraction has 823 states and 1135 transitions. [2020-07-20 11:40:11,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:40:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1135 transitions. [2020-07-20 11:40:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-20 11:40:11,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:11,470 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:11,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:11,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:11,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:11,683 INFO L82 PathProgramCache]: Analyzing trace with hash 415326854, now seen corresponding path program 1 times [2020-07-20 11:40:11,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:11,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871830399] [2020-07-20 11:40:11,684 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:11,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:40:11,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:40:11,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:11,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1871830399] [2020-07-20 11:40:11,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:11,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:40:11,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80356001] [2020-07-20 11:40:11,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:40:11,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:11,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:40:11,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:11,816 INFO L87 Difference]: Start difference. First operand 823 states and 1135 transitions. Second operand 3 states. [2020-07-20 11:40:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:12,976 INFO L93 Difference]: Finished difference Result 2033 states and 2873 transitions. [2020-07-20 11:40:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:40:12,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-07-20 11:40:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:12,985 INFO L225 Difference]: With dead ends: 2033 [2020-07-20 11:40:12,985 INFO L226 Difference]: Without dead ends: 1216 [2020-07-20 11:40:12,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-07-20 11:40:13,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1204. [2020-07-20 11:40:13,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-07-20 11:40:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1679 transitions. [2020-07-20 11:40:13,023 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1679 transitions. Word has length 114 [2020-07-20 11:40:13,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:13,024 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1679 transitions. [2020-07-20 11:40:13,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:40:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1679 transitions. [2020-07-20 11:40:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 11:40:13,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:13,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:13,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:13,241 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:13,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:13,242 INFO L82 PathProgramCache]: Analyzing trace with hash 559014170, now seen corresponding path program 1 times [2020-07-20 11:40:13,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:13,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520425658] [2020-07-20 11:40:13,243 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:13,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:40:13,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:40:13,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:13,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520425658] [2020-07-20 11:40:13,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:13,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:40:13,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369127804] [2020-07-20 11:40:13,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:40:13,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:13,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:40:13,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:40:13,362 INFO L87 Difference]: Start difference. First operand 1204 states and 1679 transitions. Second operand 5 states. [2020-07-20 11:40:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:15,326 INFO L93 Difference]: Finished difference Result 3413 states and 4926 transitions. [2020-07-20 11:40:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 11:40:15,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-07-20 11:40:15,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:15,341 INFO L225 Difference]: With dead ends: 3413 [2020-07-20 11:40:15,341 INFO L226 Difference]: Without dead ends: 2215 [2020-07-20 11:40:15,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:40:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2020-07-20 11:40:15,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 2192. [2020-07-20 11:40:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2192 states. [2020-07-20 11:40:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 2922 transitions. [2020-07-20 11:40:15,441 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 2922 transitions. Word has length 120 [2020-07-20 11:40:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:15,442 INFO L479 AbstractCegarLoop]: Abstraction has 2192 states and 2922 transitions. [2020-07-20 11:40:15,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:40:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2922 transitions. [2020-07-20 11:40:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-20 11:40:15,448 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:15,448 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:15,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:15,663 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:15,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:15,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1194277812, now seen corresponding path program 1 times [2020-07-20 11:40:15,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:15,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654739711] [2020-07-20 11:40:15,665 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:15,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:40:15,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:40:15,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:15,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654739711] [2020-07-20 11:40:15,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:15,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:40:15,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216390814] [2020-07-20 11:40:15,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:40:15,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:15,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:40:15,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:15,810 INFO L87 Difference]: Start difference. First operand 2192 states and 2922 transitions. Second operand 3 states. [2020-07-20 11:40:17,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:17,041 INFO L93 Difference]: Finished difference Result 4958 states and 6760 transitions. [2020-07-20 11:40:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:40:17,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-07-20 11:40:17,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:17,057 INFO L225 Difference]: With dead ends: 4958 [2020-07-20 11:40:17,058 INFO L226 Difference]: Without dead ends: 2960 [2020-07-20 11:40:17,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:17,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2020-07-20 11:40:17,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2578. [2020-07-20 11:40:17,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2578 states. [2020-07-20 11:40:17,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3532 transitions. [2020-07-20 11:40:17,144 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3532 transitions. Word has length 171 [2020-07-20 11:40:17,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:17,144 INFO L479 AbstractCegarLoop]: Abstraction has 2578 states and 3532 transitions. [2020-07-20 11:40:17,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:40:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3532 transitions. [2020-07-20 11:40:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-20 11:40:17,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:17,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:17,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:17,363 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:17,364 INFO L82 PathProgramCache]: Analyzing trace with hash 384966816, now seen corresponding path program 1 times [2020-07-20 11:40:17,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:17,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855854555] [2020-07-20 11:40:17,365 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:17,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:40:17,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:40:17,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:40:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:40:17,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855854555] [2020-07-20 11:40:17,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:40:17,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 11:40:17,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080125970] [2020-07-20 11:40:17,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:40:17,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:17,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:40:17,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:40:17,636 INFO L87 Difference]: Start difference. First operand 2578 states and 3532 transitions. Second operand 6 states. [2020-07-20 11:40:19,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:19,188 INFO L93 Difference]: Finished difference Result 6376 states and 9347 transitions. [2020-07-20 11:40:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:40:19,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-07-20 11:40:19,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:19,209 INFO L225 Difference]: With dead ends: 6376 [2020-07-20 11:40:19,216 INFO L226 Difference]: Without dead ends: 3804 [2020-07-20 11:40:19,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:40:19,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2020-07-20 11:40:19,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3354. [2020-07-20 11:40:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3354 states. [2020-07-20 11:40:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4468 transitions. [2020-07-20 11:40:19,332 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4468 transitions. Word has length 183 [2020-07-20 11:40:19,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:19,332 INFO L479 AbstractCegarLoop]: Abstraction has 3354 states and 4468 transitions. [2020-07-20 11:40:19,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:40:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4468 transitions. [2020-07-20 11:40:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-20 11:40:19,336 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:19,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:19,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:19,551 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:19,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1968960108, now seen corresponding path program 1 times [2020-07-20 11:40:19,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:19,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338969535] [2020-07-20 11:40:19,552 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:19,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:40:19,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 11:40:19,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:19,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338969535] [2020-07-20 11:40:19,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:19,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:40:19,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996704878] [2020-07-20 11:40:19,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:40:19,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:19,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:40:19,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:19,693 INFO L87 Difference]: Start difference. First operand 3354 states and 4468 transitions. Second operand 3 states. [2020-07-20 11:40:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:20,903 INFO L93 Difference]: Finished difference Result 8991 states and 12181 transitions. [2020-07-20 11:40:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:40:20,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-07-20 11:40:20,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:20,933 INFO L225 Difference]: With dead ends: 8991 [2020-07-20 11:40:20,934 INFO L226 Difference]: Without dead ends: 5643 [2020-07-20 11:40:20,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:20,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5643 states. [2020-07-20 11:40:21,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5643 to 5451. [2020-07-20 11:40:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5451 states. [2020-07-20 11:40:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 7216 transitions. [2020-07-20 11:40:21,070 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 7216 transitions. Word has length 193 [2020-07-20 11:40:21,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:21,071 INFO L479 AbstractCegarLoop]: Abstraction has 5451 states and 7216 transitions. [2020-07-20 11:40:21,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:40:21,071 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 7216 transitions. [2020-07-20 11:40:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-20 11:40:21,077 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:21,077 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:21,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:21,293 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:21,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:21,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1007038762, now seen corresponding path program 1 times [2020-07-20 11:40:21,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:21,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408159100] [2020-07-20 11:40:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:21,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 11:40:21,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:21,442 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 11:40:21,448 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 11:40:21,469 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 11:40:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-20 11:40:21,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:21,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408159100] [2020-07-20 11:40:21,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:21,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:40:21,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024251275] [2020-07-20 11:40:21,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:40:21,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:21,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:40:21,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:40:21,519 INFO L87 Difference]: Start difference. First operand 5451 states and 7216 transitions. Second operand 5 states. [2020-07-20 11:40:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:23,167 INFO L93 Difference]: Finished difference Result 11147 states and 14880 transitions. [2020-07-20 11:40:23,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:40:23,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-07-20 11:40:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:23,197 INFO L225 Difference]: With dead ends: 11147 [2020-07-20 11:40:23,198 INFO L226 Difference]: Without dead ends: 5702 [2020-07-20 11:40:23,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:40:23,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2020-07-20 11:40:23,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 5471. [2020-07-20 11:40:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5471 states. [2020-07-20 11:40:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 7229 transitions. [2020-07-20 11:40:23,368 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 7229 transitions. Word has length 215 [2020-07-20 11:40:23,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:23,369 INFO L479 AbstractCegarLoop]: Abstraction has 5471 states and 7229 transitions. [2020-07-20 11:40:23,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:40:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 7229 transitions. [2020-07-20 11:40:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-07-20 11:40:23,382 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:23,383 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 11:40:23,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:23,600 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:23,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:23,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-07-20 11:40:23,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:23,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63527171] [2020-07-20 11:40:23,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:23,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 11:40:23,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:23,776 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 11:40:23,778 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 11:40:23,779 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 11:40:23,782 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 11:40:23,789 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 11:40:23,790 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 11:40:23,800 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 11:40:23,803 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 11:40:38,288 WARN L193 SmtUtils]: Spent 14.40 s on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2020-07-20 11:40:38,375 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 11:40:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-20 11:40:40,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:40:40,865 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,866 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,869 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,870 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,873 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,874 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,883 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,885 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 11:40:40,888 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-20 11:40:40,889 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,891 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 8 conjuncts [2020-07-20 11:40:40,892 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,893 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 8 conjuncts [2020-07-20 11:40:40,896 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,896 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,898 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,899 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 11:40:40,900 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,900 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,903 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,905 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,907 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 8 conjuncts [2020-07-20 11:40:40,911 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-20 11:40:40,912 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,913 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,914 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 7 conjuncts [2020-07-20 11:40:40,915 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,915 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,916 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,919 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,920 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,921 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,925 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-20 11:40:40,984 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,984 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:40,988 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:40:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-20 11:40:41,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63527171] [2020-07-20 11:40:41,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 11:40:41,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 11:40:41,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563720545] [2020-07-20 11:40:41,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:40:41,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:41,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:40:41,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2020-07-20 11:40:41,078 INFO L87 Difference]: Start difference. First operand 5471 states and 7229 transitions. Second operand 3 states. [2020-07-20 11:40:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:42,547 INFO L93 Difference]: Finished difference Result 13032 states and 17489 transitions. [2020-07-20 11:40:42,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:40:42,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-07-20 11:40:42,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:42,586 INFO L225 Difference]: With dead ends: 13032 [2020-07-20 11:40:42,586 INFO L226 Difference]: Without dead ends: 7567 [2020-07-20 11:40:42,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 525 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2020-07-20 11:40:42,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7567 states. [2020-07-20 11:40:42,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7567 to 7377. [2020-07-20 11:40:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2020-07-20 11:40:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 9767 transitions. [2020-07-20 11:40:42,752 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 9767 transitions. Word has length 267 [2020-07-20 11:40:42,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:42,753 INFO L479 AbstractCegarLoop]: Abstraction has 7377 states and 9767 transitions. [2020-07-20 11:40:42,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:40:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 9767 transitions. [2020-07-20 11:40:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-07-20 11:40:42,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:40:42,770 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:40:42,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:42,984 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:40:42,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:40:42,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1219331856, now seen corresponding path program 1 times [2020-07-20 11:40:42,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:40:42,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435999803] [2020-07-20 11:40:42,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:40:43,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 11:40:43,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:40:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-07-20 11:40:43,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:40:43,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435999803] [2020-07-20 11:40:43,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:40:43,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:40:43,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149508998] [2020-07-20 11:40:43,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:40:43,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:40:43,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:40:43,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:43,285 INFO L87 Difference]: Start difference. First operand 7377 states and 9767 transitions. Second operand 3 states. [2020-07-20 11:40:44,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:40:44,092 INFO L93 Difference]: Finished difference Result 14537 states and 19137 transitions. [2020-07-20 11:40:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:40:44,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2020-07-20 11:40:44,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:40:44,100 INFO L225 Difference]: With dead ends: 14537 [2020-07-20 11:40:44,100 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:40:44,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:40:44,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:40:44,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:40:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:40:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:40:44,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 346 [2020-07-20 11:40:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:40:44,128 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:40:44,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:40:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:40:44,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:40:44,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:40:44,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:40:45,248 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 48 [2020-07-20 11:40:45,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:40:45,371 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~a23~0)| ~a23~0) (<= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) [2020-07-20 11:40:45,371 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:40:45,371 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-20 11:40:45,371 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-20 11:40:45,372 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-07-20 11:40:45,372 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,372 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,372 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,372 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,372 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,373 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,373 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,373 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-20 11:40:45,373 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-20 11:40:45,373 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-07-20 11:40:45,374 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,374 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,374 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,374 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,374 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,374 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,375 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,376 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,377 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-07-20 11:40:45,378 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-07-20 11:40:45,379 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,380 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,381 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,382 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-07-20 11:40:45,383 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,384 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,385 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse3 (= ~a4~0 |old(~a4~0)|)) (.cse1 (<= |old(~a23~0)| ~a23~0)) (.cse2 (<= ~a29~0 |old(~a29~0)|)) (.cse0 (not (<= ~a8~0 15)))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (< 0 (+ |old(~a23~0)| 43)))) (or (not (<= |old(~a25~0)| 10)) (<= ~a25~0 10) .cse0) (or .cse0 (not (<= |old(~a25~0)| 12)) (and .cse1 (<= ~a25~0 12) .cse2 .cse3)) (or .cse0 (not (<= |old(~a25~0)| 11)) (<= ~a25~0 11)) (or (and .cse1 .cse2 (= 1 ~a4~0)) .cse0 (not (<= |old(~a29~0)| 245)) (not (= 1 |old(~a4~0)|))))) [2020-07-20 11:40:45,385 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,385 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 11:40:45,385 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-20 11:40:45,385 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-07-20 11:40:45,385 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,385 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,385 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,386 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-20 11:40:45,387 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,388 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,389 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-20 11:40:45,390 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,391 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,392 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,392 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-07-20 11:40:45,392 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-20 11:40:45,392 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-07-20 11:40:45,392 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,392 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,392 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-20 11:40:45,393 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,394 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,395 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,396 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,397 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,398 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,399 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,400 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,401 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,402 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-20 11:40:45,402 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-20 11:40:45,402 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-20 11:40:45,402 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,402 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-07-20 11:40:45,402 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-07-20 11:40:45,402 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-07-20 11:40:45,403 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,404 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-07-20 11:40:45,405 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,405 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,405 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-07-20 11:40:45,405 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:40:45,405 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= ~a29~0 130) (<= ~a8~0 15) (<= 312 ~a23~0) (= 1 ~a4~0)) [2020-07-20 11:40:45,405 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:40:45,405 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:40:45,406 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (not (<= ~a8~0 15)) (and (<= |old(~a23~0)| ~a23~0) (<= ~a25~0 10) (<= ~a29~0 |old(~a29~0)|) (= 1 ~a4~0)) (not (= 1 |old(~a4~0)|))) [2020-07-20 11:40:45,406 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-07-20 11:40:45,406 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) (= 1 ~a4~0)) (not (<= ~a8~0 15)) (<= ~a25~0 12) (< 0 (+ ~a23~0 43)) (not (= 1 |old(~a4~0)|))) [2020-07-20 11:40:45,406 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-07-20 11:40:45,406 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-07-20 11:40:45,406 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)) (and (<= ~a29~0 245) (= 1 ~a4~0)) (not (<= ~a8~0 15)) (<= ~a25~0 12) (< 0 (+ ~a23~0 43)) (not (= 1 |old(~a4~0)|))) [2020-07-20 11:40:45,406 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-07-20 11:40:45,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:40:45 BoogieIcfgContainer [2020-07-20 11:40:45,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:40:45,428 INFO L168 Benchmark]: Toolchain (without parser) took 41347.66 ms. Allocated memory was 144.7 MB in the beginning and 491.8 MB in the end (delta: 347.1 MB). Free memory was 98.3 MB in the beginning and 176.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 269.1 MB. Max. memory is 7.1 GB. [2020-07-20 11:40:45,428 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 11:40:45,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1140.47 ms. Allocated memory was 144.7 MB in the beginning and 210.2 MB in the end (delta: 65.5 MB). Free memory was 97.9 MB in the beginning and 165.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. [2020-07-20 11:40:45,430 INFO L168 Benchmark]: Boogie Preprocessor took 139.50 ms. Allocated memory is still 210.2 MB. Free memory was 165.6 MB in the beginning and 157.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2020-07-20 11:40:45,431 INFO L168 Benchmark]: RCFGBuilder took 1842.66 ms. Allocated memory was 210.2 MB in the beginning and 242.2 MB in the end (delta: 32.0 MB). Free memory was 157.4 MB in the beginning and 103.7 MB in the end (delta: 53.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-07-20 11:40:45,432 INFO L168 Benchmark]: TraceAbstraction took 38218.11 ms. Allocated memory was 242.2 MB in the beginning and 491.8 MB in the end (delta: 249.6 MB). Free memory was 103.7 MB in the beginning and 176.3 MB in the end (delta: -72.6 MB). Peak memory consumption was 177.0 MB. Max. memory is 7.1 GB. [2020-07-20 11:40:45,436 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1140.47 ms. Allocated memory was 144.7 MB in the beginning and 210.2 MB in the end (delta: 65.5 MB). Free memory was 97.9 MB in the beginning and 165.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.50 ms. Allocated memory is still 210.2 MB. Free memory was 165.6 MB in the beginning and 157.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1842.66 ms. Allocated memory was 210.2 MB in the beginning and 242.2 MB in the end (delta: 32.0 MB). Free memory was 157.4 MB in the beginning and 103.7 MB in the end (delta: 53.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38218.11 ms. Allocated memory was 242.2 MB in the beginning and 491.8 MB in the end (delta: 249.6 MB). Free memory was 103.7 MB in the beginning and 176.3 MB in the end (delta: -72.6 MB). Peak memory consumption was 177.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((!(\old(a25) <= 10) || !(312 <= \old(a23))) || !(\old(a29) <= 130)) || (a29 <= 245 && 1 == a4)) || !(a8 <= 15)) || a25 <= 12) || 0 < a23 + 43) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 864 SDtfs, 3322 SDslu, 459 SDs, 0 SdLazy, 7016 SolverSat, 1595 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2209 GetRequests, 2173 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7377occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1502 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 190 PreInvPairs, 264 NumberOfFragments, 224 HoareAnnotationTreeSize, 190 FomulaSimplifications, 4220 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1947 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 1759 NumberOfCodeBlocks, 1759 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2197 ConstructedInterpolants, 36 QuantifiedInterpolants, 1420159 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3551 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 1139/1212 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...