/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:59:53,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:59:53,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:59:53,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:59:53,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:59:53,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:59:53,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:59:53,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:59:53,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:59:53,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:59:53,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:59:53,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:59:53,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:59:53,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:59:53,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:59:53,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:59:53,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:59:53,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:59:53,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:59:53,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:59:53,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:59:53,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:59:53,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:59:53,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:59:53,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:59:53,299 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 [2020-07-21 22:59:53,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:59:53,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:59:53,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:59:53,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:59:53,326 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:59:53,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:59:53,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:59:53,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:59:53,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:59:53,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:59:53,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:59:53,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:59:53,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:59:53,328 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:59:53,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:59:53,328 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:59:53,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:59:53,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:59:53,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:59:53,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:59:53,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:59:53,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:59:53,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:59:53,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:59:53,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:59:53,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:59:53,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:59:53,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:59:53,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:59:53,331 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:59:53,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:59:53,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:59:53,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:59:53,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:59:53,629 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:59:53,629 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2020-07-21 22:59:53,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1eb4ad66/ba0b3af10e604f0eb102a3f1b0e1a13c/FLAGc2f6430bd [2020-07-21 22:59:54,255 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:59:54,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2020-07-21 22:59:54,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1eb4ad66/ba0b3af10e604f0eb102a3f1b0e1a13c/FLAGc2f6430bd [2020-07-21 22:59:54,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1eb4ad66/ba0b3af10e604f0eb102a3f1b0e1a13c [2020-07-21 22:59:54,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:59:54,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:59:54,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:59:54,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:59:54,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:59:54,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:59:54" (1/1) ... [2020-07-21 22:59:54,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ebf14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:54, skipping insertion in model container [2020-07-21 22:59:54,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:59:54" (1/1) ... [2020-07-21 22:59:54,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:59:54,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:59:55,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:59:55,044 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:59:55,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:59:55,360 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:59:55,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55 WrapperNode [2020-07-21 22:59:55,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:59:55,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:59:55,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:59:55,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:59:55,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (1/1) ... [2020-07-21 22:59:55,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (1/1) ... [2020-07-21 22:59:55,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (1/1) ... [2020-07-21 22:59:55,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (1/1) ... [2020-07-21 22:59:55,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (1/1) ... [2020-07-21 22:59:55,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (1/1) ... [2020-07-21 22:59:55,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (1/1) ... [2020-07-21 22:59:55,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:59:55,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:59:55,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:59:55,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:59:55,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (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 [2020-07-21 22:59:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:59:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:59:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:59:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:59:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:59:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:59:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:59:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:59:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:59:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:59:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:59:56,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:59:56,852 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:59:56,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:59:56 BoogieIcfgContainer [2020-07-21 22:59:56,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:59:56,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:59:56,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:59:56,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:59:56,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:59:54" (1/3) ... [2020-07-21 22:59:56,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7903960f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:59:56, skipping insertion in model container [2020-07-21 22:59:56,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:59:55" (2/3) ... [2020-07-21 22:59:56,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7903960f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:59:56, skipping insertion in model container [2020-07-21 22:59:56,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:59:56" (3/3) ... [2020-07-21 22:59:56,869 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2020-07-21 22:59:56,883 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:59:56,891 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:59:56,910 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:59:56,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:59:56,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:59:56,940 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:59:56,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:59:56,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:59:56,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:59:56,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:59:56,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:59:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 22:59:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-21 22:59:56,977 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:59:56,978 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] [2020-07-21 22:59:56,978 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:59:56,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:59:56,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1813043417, now seen corresponding path program 1 times [2020-07-21 22:59:56,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:59:56,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061742750] [2020-07-21 22:59:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 22:59:57,105 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:59:57,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:59:57,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:59:57,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:59:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:59:57,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:59:57,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061742750] [2020-07-21 22:59:57,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:59:57,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:59:57,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473125831] [2020-07-21 22:59:57,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:59:57,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:59:57,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:59:57,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:59:57,202 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 22:59:58,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:59:58,218 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2020-07-21 22:59:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:59:58,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-07-21 22:59:58,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:59:58,236 INFO L225 Difference]: With dead ends: 571 [2020-07-21 22:59:58,236 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 22:59:58,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:59:58,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 22:59:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 22:59:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 22:59:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions. [2020-07-21 22:59:58,315 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 38 [2020-07-21 22:59:58,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:59:58,316 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 391 transitions. [2020-07-21 22:59:58,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:59:58,316 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions. [2020-07-21 22:59:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 22:59:58,321 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:59:58,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:59:58,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:59:58,539 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:59:58,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:59:58,540 INFO L82 PathProgramCache]: Analyzing trace with hash 837165418, now seen corresponding path program 1 times [2020-07-21 22:59:58,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:59:58,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778622973] [2020-07-21 22:59:58,541 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 22:59:58,638 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:59:58,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:59:58,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:59:58,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:59:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:59:58,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:59:58,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778622973] [2020-07-21 22:59:58,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:59:58,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:59:58,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887698446] [2020-07-21 22:59:58,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:59:58,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:59:58,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:59:58,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:59:58,684 INFO L87 Difference]: Start difference. First operand 294 states and 391 transitions. Second operand 3 states. [2020-07-21 22:59:59,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:59:59,347 INFO L93 Difference]: Finished difference Result 725 states and 1001 transitions. [2020-07-21 22:59:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:59:59,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-21 22:59:59,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:59:59,359 INFO L225 Difference]: With dead ends: 725 [2020-07-21 22:59:59,360 INFO L226 Difference]: Without dead ends: 437 [2020-07-21 22:59:59,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:59:59,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-21 22:59:59,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2020-07-21 22:59:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-21 22:59:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 593 transitions. [2020-07-21 22:59:59,399 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 593 transitions. Word has length 108 [2020-07-21 22:59:59,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:59:59,400 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 593 transitions. [2020-07-21 22:59:59,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:59:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 593 transitions. [2020-07-21 22:59:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-21 22:59:59,403 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:59:59,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:59:59,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:59:59,611 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:59:59,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:59:59,612 INFO L82 PathProgramCache]: Analyzing trace with hash 434766281, now seen corresponding path program 1 times [2020-07-21 22:59:59,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:59:59,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377398139] [2020-07-21 22:59:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 22:59:59,687 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:59:59,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:59:59,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 22:59:59,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:59:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:59:59,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:59:59,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377398139] [2020-07-21 22:59:59,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:59:59,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 22:59:59,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80175663] [2020-07-21 22:59:59,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 22:59:59,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:59:59,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 22:59:59,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 22:59:59,744 INFO L87 Difference]: Start difference. First operand 437 states and 593 transitions. Second operand 5 states. [2020-07-21 23:00:00,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:00,645 INFO L93 Difference]: Finished difference Result 1027 states and 1372 transitions. [2020-07-21 23:00:00,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 23:00:00,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-07-21 23:00:00,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:00,654 INFO L225 Difference]: With dead ends: 1027 [2020-07-21 23:00:00,654 INFO L226 Difference]: Without dead ends: 596 [2020-07-21 23:00:00,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 23:00:00,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-07-21 23:00:00,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 590. [2020-07-21 23:00:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-07-21 23:00:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 764 transitions. [2020-07-21 23:00:00,694 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 764 transitions. Word has length 115 [2020-07-21 23:00:00,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:00,695 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 764 transitions. [2020-07-21 23:00:00,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 23:00:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 764 transitions. [2020-07-21 23:00:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-21 23:00:00,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:00:00,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:00:00,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:00,913 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:00:00,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:00:00,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1165296197, now seen corresponding path program 1 times [2020-07-21 23:00:00,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:00:00,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760231513] [2020-07-21 23:00:00,915 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 23:00:00,992 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 23:00:00,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:00:00,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 23:00:00,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:00:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:00:01,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:00:01,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760231513] [2020-07-21 23:00:01,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:00:01,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 23:00:01,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506299311] [2020-07-21 23:00:01,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 23:00:01,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:00:01,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 23:00:01,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 23:00:01,066 INFO L87 Difference]: Start difference. First operand 590 states and 764 transitions. Second operand 5 states. [2020-07-21 23:00:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:02,021 INFO L93 Difference]: Finished difference Result 1351 states and 1835 transitions. [2020-07-21 23:00:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 23:00:02,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-07-21 23:00:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:02,037 INFO L225 Difference]: With dead ends: 1351 [2020-07-21 23:00:02,037 INFO L226 Difference]: Without dead ends: 910 [2020-07-21 23:00:02,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 23:00:02,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-07-21 23:00:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 894. [2020-07-21 23:00:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-21 23:00:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1093 transitions. [2020-07-21 23:00:02,089 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1093 transitions. Word has length 133 [2020-07-21 23:00:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:02,090 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1093 transitions. [2020-07-21 23:00:02,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 23:00:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1093 transitions. [2020-07-21 23:00:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-21 23:00:02,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:00:02,106 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 23:00:02,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:02,321 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:00:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:00:02,321 INFO L82 PathProgramCache]: Analyzing trace with hash -524180378, now seen corresponding path program 1 times [2020-07-21 23:00:02,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:00:02,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785867656] [2020-07-21 23:00:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 23:00:02,430 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:00:02,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:00:02,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 23:00:02,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:00:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-21 23:00:02,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:00:02,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785867656] [2020-07-21 23:00:02,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:00:02,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 23:00:02,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965306214] [2020-07-21 23:00:02,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 23:00:02,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:00:02,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 23:00:02,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 23:00:02,508 INFO L87 Difference]: Start difference. First operand 894 states and 1093 transitions. Second operand 3 states. [2020-07-21 23:00:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:03,126 INFO L93 Difference]: Finished difference Result 1786 states and 2246 transitions. [2020-07-21 23:00:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 23:00:03,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-07-21 23:00:03,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:03,132 INFO L225 Difference]: With dead ends: 1786 [2020-07-21 23:00:03,133 INFO L226 Difference]: Without dead ends: 1041 [2020-07-21 23:00:03,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 23:00:03,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2020-07-21 23:00:03,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1041. [2020-07-21 23:00:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-07-21 23:00:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1294 transitions. [2020-07-21 23:00:03,165 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1294 transitions. Word has length 185 [2020-07-21 23:00:03,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:03,166 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1294 transitions. [2020-07-21 23:00:03,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 23:00:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1294 transitions. [2020-07-21 23:00:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 23:00:03,169 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:00:03,170 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 23:00:03,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:03,385 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:00:03,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:00:03,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1837442610, now seen corresponding path program 1 times [2020-07-21 23:00:03,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:00:03,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529873568] [2020-07-21 23:00:03,388 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 23:00:03,506 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:00:03,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:00:03,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 23:00:03,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:00:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-21 23:00:03,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:00:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-21 23:00:03,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529873568] [2020-07-21 23:00:03,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 23:00:03,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2020-07-21 23:00:03,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715519120] [2020-07-21 23:00:03,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 23:00:03,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:00:03,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 23:00:03,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-21 23:00:03,806 INFO L87 Difference]: Start difference. First operand 1041 states and 1294 transitions. Second operand 4 states. [2020-07-21 23:00:04,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:04,574 INFO L93 Difference]: Finished difference Result 1625 states and 2051 transitions. [2020-07-21 23:00:04,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 23:00:04,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2020-07-21 23:00:04,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:04,583 INFO L225 Difference]: With dead ends: 1625 [2020-07-21 23:00:04,584 INFO L226 Difference]: Without dead ends: 1623 [2020-07-21 23:00:04,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-21 23:00:04,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2020-07-21 23:00:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1335. [2020-07-21 23:00:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-07-21 23:00:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1692 transitions. [2020-07-21 23:00:04,627 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1692 transitions. Word has length 195 [2020-07-21 23:00:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:04,628 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1692 transitions. [2020-07-21 23:00:04,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 23:00:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1692 transitions. [2020-07-21 23:00:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-21 23:00:04,635 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:00:04,636 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:00:04,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:04,851 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:00:04,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:00:04,852 INFO L82 PathProgramCache]: Analyzing trace with hash 978437959, now seen corresponding path program 1 times [2020-07-21 23:00:04,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:00:04,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481782983] [2020-07-21 23:00:04,853 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 23:00:04,959 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 23:00:04,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:00:04,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 23:00:04,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:00:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 271 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 23:00:05,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:00:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 165 proven. 72 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-07-21 23:00:05,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481782983] [2020-07-21 23:00:05,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:00:05,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 23:00:05,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549847513] [2020-07-21 23:00:05,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 23:00:05,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:00:05,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 23:00:05,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 23:00:05,215 INFO L87 Difference]: Start difference. First operand 1335 states and 1692 transitions. Second operand 7 states. [2020-07-21 23:00:06,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:06,810 INFO L93 Difference]: Finished difference Result 3550 states and 4584 transitions. [2020-07-21 23:00:06,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 23:00:06,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 305 [2020-07-21 23:00:06,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:06,827 INFO L225 Difference]: With dead ends: 3550 [2020-07-21 23:00:06,827 INFO L226 Difference]: Without dead ends: 2364 [2020-07-21 23:00:06,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 605 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 23:00:06,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2020-07-21 23:00:06,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2062. [2020-07-21 23:00:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2062 states. [2020-07-21 23:00:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2493 transitions. [2020-07-21 23:00:06,897 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2493 transitions. Word has length 305 [2020-07-21 23:00:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:06,897 INFO L479 AbstractCegarLoop]: Abstraction has 2062 states and 2493 transitions. [2020-07-21 23:00:06,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 23:00:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2493 transitions. [2020-07-21 23:00:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-21 23:00:06,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:00:06,906 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:00:07,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:07,122 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:00:07,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:00:07,122 INFO L82 PathProgramCache]: Analyzing trace with hash 909307948, now seen corresponding path program 1 times [2020-07-21 23:00:07,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:00:07,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508623449] [2020-07-21 23:00:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 23:00:07,233 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 23:00:07,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:00:07,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 23:00:07,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:00:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 282 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 23:00:07,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:00:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 167 proven. 72 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-21 23:00:07,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508623449] [2020-07-21 23:00:07,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:00:07,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 23:00:07,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115005526] [2020-07-21 23:00:07,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 23:00:07,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:00:07,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 23:00:07,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 23:00:07,527 INFO L87 Difference]: Start difference. First operand 2062 states and 2493 transitions. Second operand 6 states. [2020-07-21 23:00:08,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:08,587 INFO L93 Difference]: Finished difference Result 4887 states and 6004 transitions. [2020-07-21 23:00:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 23:00:08,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 314 [2020-07-21 23:00:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:08,605 INFO L225 Difference]: With dead ends: 4887 [2020-07-21 23:00:08,605 INFO L226 Difference]: Without dead ends: 1943 [2020-07-21 23:00:08,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 624 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 23:00:08,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2020-07-21 23:00:08,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1913. [2020-07-21 23:00:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1913 states. [2020-07-21 23:00:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2213 transitions. [2020-07-21 23:00:08,671 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2213 transitions. Word has length 314 [2020-07-21 23:00:08,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:08,671 INFO L479 AbstractCegarLoop]: Abstraction has 1913 states and 2213 transitions. [2020-07-21 23:00:08,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 23:00:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2213 transitions. [2020-07-21 23:00:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-07-21 23:00:08,683 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:00:08,683 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 23:00:08,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:08,898 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:00:08,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:00:08,898 INFO L82 PathProgramCache]: Analyzing trace with hash -880389580, now seen corresponding path program 1 times [2020-07-21 23:00:08,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:00:08,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139428649] [2020-07-21 23:00:08,899 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 23:00:09,069 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:00:09,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:00:09,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 23:00:09,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:00:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 281 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-21 23:00:09,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:00:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 281 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-21 23:00:09,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139428649] [2020-07-21 23:00:09,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:00:09,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 23:00:09,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609377391] [2020-07-21 23:00:09,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 23:00:09,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:00:09,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 23:00:09,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 23:00:09,367 INFO L87 Difference]: Start difference. First operand 1913 states and 2213 transitions. Second operand 6 states. [2020-07-21 23:00:10,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:10,432 INFO L93 Difference]: Finished difference Result 4849 states and 5752 transitions. [2020-07-21 23:00:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 23:00:10,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 350 [2020-07-21 23:00:10,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:10,449 INFO L225 Difference]: With dead ends: 4849 [2020-07-21 23:00:10,449 INFO L226 Difference]: Without dead ends: 3085 [2020-07-21 23:00:10,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 697 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 23:00:10,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2020-07-21 23:00:10,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2940. [2020-07-21 23:00:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2940 states. [2020-07-21 23:00:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 3394 transitions. [2020-07-21 23:00:10,527 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 3394 transitions. Word has length 350 [2020-07-21 23:00:10,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:10,528 INFO L479 AbstractCegarLoop]: Abstraction has 2940 states and 3394 transitions. [2020-07-21 23:00:10,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 23:00:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3394 transitions. [2020-07-21 23:00:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-21 23:00:10,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:00:10,538 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 23:00:10,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:10,753 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:00:10,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:00:10,754 INFO L82 PathProgramCache]: Analyzing trace with hash -932458931, now seen corresponding path program 1 times [2020-07-21 23:00:10,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:00:10,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033803493] [2020-07-21 23:00:10,755 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-21 23:00:10,952 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:00:10,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:00:10,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 23:00:10,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:00:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-07-21 23:00:11,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:00:11,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033803493] [2020-07-21 23:00:11,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:00:11,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 23:00:11,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124423076] [2020-07-21 23:00:11,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 23:00:11,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:00:11,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 23:00:11,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 23:00:11,055 INFO L87 Difference]: Start difference. First operand 2940 states and 3394 transitions. Second operand 3 states. [2020-07-21 23:00:11,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:00:11,563 INFO L93 Difference]: Finished difference Result 2940 states and 3394 transitions. [2020-07-21 23:00:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 23:00:11,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2020-07-21 23:00:11,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:00:11,565 INFO L225 Difference]: With dead ends: 2940 [2020-07-21 23:00:11,565 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 23:00:11,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 23:00:11,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 23:00:11,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 23:00:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 23:00:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 23:00:11,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-07-21 23:00:11,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:00:11,571 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 23:00:11,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 23:00:11,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 23:00:11,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 23:00:11,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:00:11,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 23:00:12,903 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2020-07-21 23:00:13,092 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2020-07-21 23:00:13,268 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2020-07-21 23:00:13,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 23:00:13,273 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< 7 ~a19~0) (< |old(~a19~0)| 8)) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-21 23:00:13,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 23:00:13,273 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 23:00:13,274 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,274 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,274 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,274 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,274 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,275 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,275 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 23:00:13,275 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 23:00:13,275 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 23:00:13,275 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 23:00:13,275 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,276 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,277 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,277 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,277 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 23:00:13,277 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 23:00:13,277 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 23:00:13,277 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 23:00:13,277 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 23:00:13,278 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 23:00:13,279 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2020-07-21 23:00:13,279 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 23:00:13,279 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,279 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,279 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,279 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,279 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,280 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 23:00:13,280 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 23:00:13,280 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 23:00:13,280 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 23:00:13,280 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 23:00:13,280 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 23:00:13,280 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 23:00:13,281 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 23:00:13,281 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 23:00:13,281 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 23:00:13,281 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,281 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,281 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,282 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,282 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,282 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 23:00:13,282 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 23:00:13,282 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 23:00:13,282 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 23:00:13,282 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 23:00:13,283 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 23:00:13,283 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 23:00:13,283 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 23:00:13,283 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 23:00:13,283 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 23:00:13,283 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 23:00:13,283 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 23:00:13,284 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 23:00:13,284 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,284 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,284 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,284 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,284 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,284 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 23:00:13,285 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 23:00:13,285 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 23:00:13,285 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 23:00:13,285 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 23:00:13,285 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 23:00:13,285 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 23:00:13,285 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 23:00:13,286 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 23:00:13,286 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,286 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,286 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,286 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,286 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,286 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 23:00:13,287 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 23:00:13,288 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 23:00:13,288 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 23:00:13,288 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 23:00:13,288 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 23:00:13,288 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 23:00:13,288 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 23:00:13,288 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,289 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,289 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,289 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,289 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 23:00:13,289 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,289 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,289 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 23:00:13,290 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 23:00:13,290 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 23:00:13,290 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 23:00:13,290 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 23:00:13,290 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 23:00:13,290 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 23:00:13,290 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,291 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,292 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,292 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,292 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,292 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 23:00:13,292 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 23:00:13,292 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 23:00:13,292 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 23:00:13,293 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 23:00:13,293 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 23:00:13,293 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 23:00:13,293 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 23:00:13,293 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 23:00:13,293 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 23:00:13,293 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 23:00:13,294 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (<= |old(~a10~0)| ~a10~0)) (.cse7 (<= ~a19~0 |old(~a19~0)|)) (.cse8 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (and .cse6 .cse7 .cse8)) (.cse0 (not (<= |old(~a10~0)| 3))) (.cse1 (not (<= |old(~a19~0)| 9))) (.cse3 (not (< 7 |old(~a19~0)|))) (.cse4 (and .cse6 .cse7 (< 7 ~a19~0) .cse8)) (.cse5 (not (<= |old(~a10~0)| 2)))) (and (or .cse0 .cse1 (<= ~a10~0 3)) (or (not (<= |old(~a19~0)| 6)) .cse2) (or .cse3 .cse4 .cse1) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0))) (or .cse2 .cse0 .cse1) (or (<= ~a10~0 2) .cse5) (or .cse3 .cse4 .cse5) (or (<= ~a10~0 1) (not (<= |old(~a10~0)| 1)))))) [2020-07-21 23:00:13,294 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 23:00:13,294 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 23:00:13,294 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 23:00:13,294 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,294 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,294 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,295 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,295 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,295 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,295 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 23:00:13,295 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 23:00:13,295 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 23:00:13,295 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 23:00:13,296 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 23:00:13,296 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 23:00:13,296 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 23:00:13,296 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 23:00:13,296 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 23:00:13,296 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 23:00:13,296 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 23:00:13,297 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 23:00:13,297 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 23:00:13,297 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,297 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,297 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,297 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,297 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,298 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,298 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 23:00:13,298 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 23:00:13,298 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 23:00:13,298 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 23:00:13,298 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 23:00:13,298 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,299 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,300 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,300 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,300 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,300 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 23:00:13,300 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 23:00:13,300 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 23:00:13,300 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 23:00:13,301 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 23:00:13,302 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 23:00:13,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 23:00:13,302 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (< 7 ~a19~0) (= 23 ~a1~0)) [2020-07-21 23:00:13,302 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 23:00:13,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 23:00:13,302 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= ~a10~0 0) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) (< 7 ~a19~0) (= ~a1~0 |old(~a1~0)|)) (not (< 7 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= |old(~a19~0)| 9))) [2020-07-21 23:00:13,302 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 23:00:13,303 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (< 7 ~a19~0)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 0) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) .cse2 (= ~a1~0 |old(~a1~0)|)) (not (< 7 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and .cse1 (<= ~a19~0 6)) (and .cse1 (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)))) [2020-07-21 23:00:13,303 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 23:00:13,303 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 23:00:13,303 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (< 7 ~a19~0)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 0) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) .cse2 (= ~a1~0 |old(~a1~0)|)) (not (< 7 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and .cse1 (<= ~a19~0 6)) (and .cse1 (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)))) [2020-07-21 23:00:13,303 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 23:00:13,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:00:13 BoogieIcfgContainer [2020-07-21 23:00:13,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 23:00:13,325 INFO L168 Benchmark]: Toolchain (without parser) took 18771.17 ms. Allocated memory was 139.5 MB in the beginning and 536.9 MB in the end (delta: 397.4 MB). Free memory was 102.3 MB in the beginning and 89.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 410.2 MB. Max. memory is 7.1 GB. [2020-07-21 23:00:13,326 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-21 23:00:13,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.10 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 102.1 MB in the beginning and 173.1 MB in the end (delta: -71.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2020-07-21 23:00:13,328 INFO L168 Benchmark]: Boogie Preprocessor took 146.16 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-21 23:00:13,329 INFO L168 Benchmark]: RCFGBuilder took 1350.45 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 168.4 MB in the beginning and 183.0 MB in the end (delta: -14.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-07-21 23:00:13,330 INFO L168 Benchmark]: TraceAbstraction took 16462.70 ms. Allocated memory was 240.1 MB in the beginning and 536.9 MB in the end (delta: 296.7 MB). Free memory was 183.0 MB in the beginning and 89.5 MB in the end (delta: 93.5 MB). Peak memory consumption was 390.2 MB. Max. memory is 7.1 GB. [2020-07-21 23:00:13,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 805.10 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 102.1 MB in the beginning and 173.1 MB in the end (delta: -71.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.16 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1350.45 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 168.4 MB in the beginning and 183.0 MB in the end (delta: -14.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16462.70 ms. Allocated memory was 240.1 MB in the beginning and 536.9 MB in the end (delta: 296.7 MB). Free memory was 183.0 MB in the beginning and 89.5 MB in the end (delta: 93.5 MB). Peak memory consumption was 390.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((a19 <= 9 && 9 <= \old(a19)) && 7 < a19) || ((a19 <= 9 && 9 <= \old(a19)) && a10 <= 3)) || !(\old(a10) <= 0)) || ((((a10 <= 0 && \old(a10) <= a10) && a19 <= \old(a19)) && 7 < a19) && a1 == \old(a1))) || !(7 < \old(a19))) || !(23 == \old(a1))) || (9 <= \old(a19) && a19 <= 6)) || (9 <= \old(a19) && a10 <= 2)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 531 SDtfs, 2458 SDslu, 226 SDs, 0 SdLazy, 5962 SolverSat, 1144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3281 GetRequests, 3237 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2940occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 787 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 80 PreInvPairs, 134 NumberOfFragments, 313 HoareAnnotationTreeSize, 80 FomulaSimplifications, 3393 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2473 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2106 NumberOfCodeBlocks, 1740 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 3256 ConstructedInterpolants, 0 QuantifiedInterpolants, 1956240 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3297 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 2605/2813 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...