/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:24:46,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:24:46,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:24:46,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:24:46,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:24:46,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:24:46,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:24:46,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:24:46,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:24:46,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:24:46,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:24:46,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:24:46,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:24:46,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:24:46,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:24:46,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:24:46,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:24:46,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:24:46,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:24:46,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:24:46,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:24:46,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:24:46,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:24:46,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:24:46,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 11:24:46,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:24:46,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:24:46,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:24:46,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 11:24:46,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:24:46,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:24:46,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:24:46,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:24:46,405 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:24:46,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:24:46,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:24:46,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:24:46,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:24:46,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:24:46,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:24:46,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:24:46,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:24:46,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:24:46,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:24:46,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:24:46,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:24:46,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:24:46,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:24:46,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:24:46,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:24:46,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:24:46,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:24:46,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:24:46,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:24:46,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:24:46,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:24:46,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:24:46,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:24:46,411 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true [2020-08-18 11:24:46,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:24:46,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:24:46,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:24:46,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:24:46,752 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:24:46,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-18 11:24:46,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbee6ee05/fead8a933bc04801a516bbba619b075f/FLAG269ccf424 [2020-08-18 11:24:47,361 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:24:47,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-18 11:24:47,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbee6ee05/fead8a933bc04801a516bbba619b075f/FLAG269ccf424 [2020-08-18 11:24:47,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbee6ee05/fead8a933bc04801a516bbba619b075f [2020-08-18 11:24:47,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:24:47,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:24:47,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:24:47,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:24:47,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:24:47,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:24:47" (1/1) ... [2020-08-18 11:24:47,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5352a789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:47, skipping insertion in model container [2020-08-18 11:24:47,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:24:47" (1/1) ... [2020-08-18 11:24:47,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:24:47,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:24:48,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:24:48,323 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:24:48,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:24:48,485 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:24:48,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48 WrapperNode [2020-08-18 11:24:48,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:24:48,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:24:48,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:24:48,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:24:48,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... [2020-08-18 11:24:48,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... [2020-08-18 11:24:48,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... [2020-08-18 11:24:48,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... [2020-08-18 11:24:48,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... [2020-08-18 11:24:48,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... [2020-08-18 11:24:48,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... [2020-08-18 11:24:48,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:24:48,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:24:48,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:24:48,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:24:48,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 11:24:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:24:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:24:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 11:24:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:24:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 11:24:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:24:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:24:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 11:24:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:24:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:24:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:24:50,071 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:24:50,071 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 11:24:50,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:24:50 BoogieIcfgContainer [2020-08-18 11:24:50,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:24:50,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:24:50,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:24:50,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:24:50,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:24:47" (1/3) ... [2020-08-18 11:24:50,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c09dd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:24:50, skipping insertion in model container [2020-08-18 11:24:50,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:48" (2/3) ... [2020-08-18 11:24:50,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c09dd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:24:50, skipping insertion in model container [2020-08-18 11:24:50,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:24:50" (3/3) ... [2020-08-18 11:24:50,087 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-08-18 11:24:50,098 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:24:50,106 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:24:50,121 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:24:50,147 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:24:50,147 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:24:50,147 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:24:50,148 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:24:50,148 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:24:50,148 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:24:50,148 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:24:50,148 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:24:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 11:24:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-18 11:24:50,180 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:50,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:24:50,182 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:50,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:50,188 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-08-18 11:24:50,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:50,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758224680] [2020-08-18 11:24:50,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:50,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758224680] [2020-08-18 11:24:50,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:50,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 11:24:50,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504590866] [2020-08-18 11:24:50,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 11:24:50,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:50,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 11:24:50,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:24:50,554 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-18 11:24:52,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:52,095 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-18 11:24:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 11:24:52,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-08-18 11:24:52,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:52,115 INFO L225 Difference]: With dead ends: 596 [2020-08-18 11:24:52,115 INFO L226 Difference]: Without dead ends: 302 [2020-08-18 11:24:52,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:24:52,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-18 11:24:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-18 11:24:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-18 11:24:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-18 11:24:52,207 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 44 [2020-08-18 11:24:52,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:52,208 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-18 11:24:52,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 11:24:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-18 11:24:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-08-18 11:24:52,213 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:52,214 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:24:52,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:24:52,214 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:52,215 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-08-18 11:24:52,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:52,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134143615] [2020-08-18 11:24:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:52,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:52,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:52,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134143615] [2020-08-18 11:24:52,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:52,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 11:24:52,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113955931] [2020-08-18 11:24:52,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:24:52,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:52,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:24:52,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:24:52,572 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-18 11:24:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:54,624 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-18 11:24:54,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:24:54,625 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-08-18 11:24:54,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:54,639 INFO L225 Difference]: With dead ends: 1198 [2020-08-18 11:24:54,640 INFO L226 Difference]: Without dead ends: 906 [2020-08-18 11:24:54,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:24:54,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-18 11:24:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-18 11:24:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-18 11:24:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-18 11:24:54,724 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 118 [2020-08-18 11:24:54,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:54,725 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-18 11:24:54,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:24:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-18 11:24:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-18 11:24:54,732 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:54,736 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 11:24:54,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:24:54,737 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:54,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:54,737 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-08-18 11:24:54,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:54,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566190803] [2020-08-18 11:24:54,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:54,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:55,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566190803] [2020-08-18 11:24:55,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:24:55,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:24:55,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077986357] [2020-08-18 11:24:55,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:24:55,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:55,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:24:55,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:24:55,107 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states. [2020-08-18 11:24:56,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:56,885 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions. [2020-08-18 11:24:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 11:24:56,889 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-18 11:24:56,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:56,913 INFO L225 Difference]: With dead ends: 2397 [2020-08-18 11:24:56,913 INFO L226 Difference]: Without dead ends: 1482 [2020-08-18 11:24:56,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 11:24:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-08-18 11:24:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2020-08-18 11:24:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-18 11:24:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions. [2020-08-18 11:24:57,040 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 123 [2020-08-18 11:24:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:57,041 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions. [2020-08-18 11:24:57,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:24:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions. [2020-08-18 11:24:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-18 11:24:57,064 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:57,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 11:24:57,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:24:57,066 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:57,067 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-08-18 11:24:57,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:57,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738676254] [2020-08-18 11:24:57,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:57,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:57,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:57,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738676254] [2020-08-18 11:24:57,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:57,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 11:24:57,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689404979] [2020-08-18 11:24:57,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:24:57,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:57,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:24:57,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:24:57,353 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states. [2020-08-18 11:24:58,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:58,918 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions. [2020-08-18 11:24:58,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:24:58,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-18 11:24:58,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:58,935 INFO L225 Difference]: With dead ends: 3592 [2020-08-18 11:24:58,935 INFO L226 Difference]: Without dead ends: 2263 [2020-08-18 11:24:58,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-18 11:24:58,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-08-18 11:24:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931. [2020-08-18 11:24:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-08-18 11:24:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions. [2020-08-18 11:24:59,029 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 139 [2020-08-18 11:24:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:59,030 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions. [2020-08-18 11:24:59,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:24:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions. [2020-08-18 11:24:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-18 11:24:59,032 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:59,033 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 11:24:59,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:24:59,033 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:59,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:59,034 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times [2020-08-18 11:24:59,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:59,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420088491] [2020-08-18 11:24:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:59,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:59,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420088491] [2020-08-18 11:24:59,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:59,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 11:24:59,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884663456] [2020-08-18 11:24:59,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:24:59,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:59,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:24:59,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:24:59,228 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states. [2020-08-18 11:25:00,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:25:00,480 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions. [2020-08-18 11:25:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 11:25:00,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-18 11:25:00,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:25:00,506 INFO L225 Difference]: With dead ends: 4023 [2020-08-18 11:25:00,507 INFO L226 Difference]: Without dead ends: 2098 [2020-08-18 11:25:00,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:25:00,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-08-18 11:25:00,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084. [2020-08-18 11:25:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-08-18 11:25:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions. [2020-08-18 11:25:00,589 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 140 [2020-08-18 11:25:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:25:00,590 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions. [2020-08-18 11:25:00,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:25:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions. [2020-08-18 11:25:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-18 11:25:00,594 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:25:00,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:25:00,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:25:00,599 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:25:00,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:25:00,599 INFO L82 PathProgramCache]: Analyzing trace with hash 716002293, now seen corresponding path program 1 times [2020-08-18 11:25:00,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:25:00,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754083837] [2020-08-18 11:25:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:25:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:00,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:25:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:00,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:25:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:25:00,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754083837] [2020-08-18 11:25:00,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:25:00,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:25:00,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609824107] [2020-08-18 11:25:00,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:25:00,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:25:00,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:25:00,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:25:00,887 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 8 states. [2020-08-18 11:25:03,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:25:03,231 INFO L93 Difference]: Finished difference Result 4629 states and 6453 transitions. [2020-08-18 11:25:03,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 11:25:03,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-18 11:25:03,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:25:03,246 INFO L225 Difference]: With dead ends: 4629 [2020-08-18 11:25:03,247 INFO L226 Difference]: Without dead ends: 2694 [2020-08-18 11:25:03,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:25:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2020-08-18 11:25:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2676. [2020-08-18 11:25:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2020-08-18 11:25:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3566 transitions. [2020-08-18 11:25:03,332 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3566 transitions. Word has length 159 [2020-08-18 11:25:03,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:25:03,332 INFO L479 AbstractCegarLoop]: Abstraction has 2676 states and 3566 transitions. [2020-08-18 11:25:03,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:25:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3566 transitions. [2020-08-18 11:25:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-18 11:25:03,335 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:25:03,336 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:25:03,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 11:25:03,336 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:25:03,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:25:03,337 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-08-18 11:25:03,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:25:03,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801893175] [2020-08-18 11:25:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:25:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:03,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:25:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:03,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:25:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 11:25:03,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801893175] [2020-08-18 11:25:03,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:25:03,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:25:03,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59198324] [2020-08-18 11:25:03,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:25:03,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:25:03,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:25:03,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:25:03,651 INFO L87 Difference]: Start difference. First operand 2676 states and 3566 transitions. Second operand 7 states. [2020-08-18 11:25:05,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:25:05,717 INFO L93 Difference]: Finished difference Result 3989 states and 5421 transitions. [2020-08-18 11:25:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:25:05,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-18 11:25:05,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:25:05,738 INFO L225 Difference]: With dead ends: 3989 [2020-08-18 11:25:05,738 INFO L226 Difference]: Without dead ends: 3987 [2020-08-18 11:25:05,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:25:05,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2020-08-18 11:25:05,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 2972. [2020-08-18 11:25:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2020-08-18 11:25:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 4020 transitions. [2020-08-18 11:25:05,833 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 4020 transitions. Word has length 181 [2020-08-18 11:25:05,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:25:05,834 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 4020 transitions. [2020-08-18 11:25:05,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:25:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 4020 transitions. [2020-08-18 11:25:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-18 11:25:05,838 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:25:05,838 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:25:05,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 11:25:05,838 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:25:05,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:25:05,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-08-18 11:25:05,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:25:05,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486532988] [2020-08-18 11:25:05,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:25:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:05,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:25:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:25:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:06,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 11:25:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:25:06,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486532988] [2020-08-18 11:25:06,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:25:06,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:25:06,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153237227] [2020-08-18 11:25:06,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:25:06,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:25:06,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:25:06,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:25:06,141 INFO L87 Difference]: Start difference. First operand 2972 states and 4020 transitions. Second operand 10 states. [2020-08-18 11:25:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:25:09,991 INFO L93 Difference]: Finished difference Result 7547 states and 10346 transitions. [2020-08-18 11:25:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-18 11:25:09,992 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-08-18 11:25:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:25:10,014 INFO L225 Difference]: With dead ends: 7547 [2020-08-18 11:25:10,014 INFO L226 Difference]: Without dead ends: 4724 [2020-08-18 11:25:10,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-18 11:25:10,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states. [2020-08-18 11:25:10,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3862. [2020-08-18 11:25:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2020-08-18 11:25:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4856 transitions. [2020-08-18 11:25:10,126 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4856 transitions. Word has length 193 [2020-08-18 11:25:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:25:10,127 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 4856 transitions. [2020-08-18 11:25:10,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:25:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4856 transitions. [2020-08-18 11:25:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-08-18 11:25:10,139 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:25:10,139 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, 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, 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] [2020-08-18 11:25:10,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 11:25:10,140 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:25:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:25:10,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-08-18 11:25:10,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:25:10,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525469436] [2020-08-18 11:25:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:25:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:10,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:25:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:10,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:25:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:10,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 11:25:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:10,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-18 11:25:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-18 11:25:10,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525469436] [2020-08-18 11:25:10,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:25:10,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 11:25:10,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726108499] [2020-08-18 11:25:10,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:25:10,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:25:10,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:25:10,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:25:10,828 INFO L87 Difference]: Start difference. First operand 3862 states and 4856 transitions. Second operand 10 states. [2020-08-18 11:25:13,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:25:13,628 INFO L93 Difference]: Finished difference Result 7899 states and 9999 transitions. [2020-08-18 11:25:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 11:25:13,631 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2020-08-18 11:25:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:25:13,652 INFO L225 Difference]: With dead ends: 7899 [2020-08-18 11:25:13,652 INFO L226 Difference]: Without dead ends: 4186 [2020-08-18 11:25:13,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:25:13,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2020-08-18 11:25:13,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4166. [2020-08-18 11:25:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4166 states. [2020-08-18 11:25:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5218 transitions. [2020-08-18 11:25:13,787 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5218 transitions. Word has length 279 [2020-08-18 11:25:13,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:25:13,788 INFO L479 AbstractCegarLoop]: Abstraction has 4166 states and 5218 transitions. [2020-08-18 11:25:13,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:25:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5218 transitions. [2020-08-18 11:25:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-18 11:25:13,805 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:25:13,805 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, 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, 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] [2020-08-18 11:25:13,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 11:25:13,806 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:25:13,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:25:13,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2082826957, now seen corresponding path program 1 times [2020-08-18 11:25:13,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:25:13,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415101886] [2020-08-18 11:25:13,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:25:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:25:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:13,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:25:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:14,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-18 11:25:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-18 11:25:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 265 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-18 11:25:14,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415101886] [2020-08-18 11:25:14,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:25:14,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 11:25:14,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725353324] [2020-08-18 11:25:14,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:25:14,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:25:14,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:25:14,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:25:14,299 INFO L87 Difference]: Start difference. First operand 4166 states and 5218 transitions. Second operand 9 states. [2020-08-18 11:25:17,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:25:17,604 INFO L93 Difference]: Finished difference Result 10189 states and 12761 transitions. [2020-08-18 11:25:17,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 11:25:17,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-18 11:25:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:25:17,624 INFO L225 Difference]: With dead ends: 10189 [2020-08-18 11:25:17,625 INFO L226 Difference]: Without dead ends: 4275 [2020-08-18 11:25:17,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:25:17,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2020-08-18 11:25:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3413. [2020-08-18 11:25:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states. [2020-08-18 11:25:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 3847 transitions. [2020-08-18 11:25:17,723 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 3847 transitions. Word has length 341 [2020-08-18 11:25:17,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:25:17,724 INFO L479 AbstractCegarLoop]: Abstraction has 3413 states and 3847 transitions. [2020-08-18 11:25:17,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:25:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3847 transitions. [2020-08-18 11:25:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-08-18 11:25:17,767 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:25:17,768 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-08-18 11:25:17,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 11:25:17,768 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:25:17,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:25:17,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1873477998, now seen corresponding path program 1 times [2020-08-18 11:25:17,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:25:17,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623257723] [2020-08-18 11:25:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:25:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:18,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:25:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:18,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:25:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 11:25:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:18,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-18 11:25:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:18,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-08-18 11:25:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:25:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 153 proven. 386 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-08-18 11:25:18,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623257723] [2020-08-18 11:25:18,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:25:18,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 11:25:18,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726139534] [2020-08-18 11:25:18,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 11:25:18,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:25:18,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 11:25:18,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:25:18,684 INFO L87 Difference]: Start difference. First operand 3413 states and 3847 transitions. Second operand 12 states. [2020-08-18 11:25:22,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:25:22,420 INFO L93 Difference]: Finished difference Result 7976 states and 9106 transitions. [2020-08-18 11:25:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 11:25:22,421 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 401 [2020-08-18 11:25:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:25:22,422 INFO L225 Difference]: With dead ends: 7976 [2020-08-18 11:25:22,422 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:25:22,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2020-08-18 11:25:22,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:25:22,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:25:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:25:22,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:25:22,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2020-08-18 11:25:22,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:25:22,438 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:25:22,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 11:25:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:25:22,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:25:22,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 11:25:22,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:25:23,199 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-18 11:25:23,479 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-18 11:25:25,199 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 278 DAG size of output: 69 [2020-08-18 11:25:26,052 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-18 11:25:26,851 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-18 11:25:26,855 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:25:26,856 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-18 11:25:26,856 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:25:26,856 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 11:25:26,857 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,857 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,857 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,857 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,857 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,857 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 11:25:26,858 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,859 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 11:25:26,860 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 11:25:26,861 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,862 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 11:25:26,863 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,864 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 11:25:26,865 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,866 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 11:25:26,867 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,868 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 11:25:26,869 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 11:25:26,870 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 11:25:26,871 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 11:25:26,872 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 11:25:26,872 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 11:25:26,872 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 11:25:26,872 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 11:25:26,872 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 11:25:26,872 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 11:25:26,872 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 11:25:26,873 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= 9 |old(~a19~0)|))) (let ((.cse7 (not (<= 2 |old(~a10~0)|))) (.cse10 (= 8 |old(~a19~0)|)) (.cse1 (and (not (<= |old(~a1~0)| 38)) (not (< 218 |old(~a1~0)|)))) (.cse12 (not (<= 10 |old(~a19~0)|))) (.cse3 (= 3 |old(~a10~0)|)) (.cse11 (= 0 |old(~a10~0)|)) (.cse0 (not (<= 23 |old(~a1~0)|))) (.cse13 (not (<= |old(~a10~0)| 0))) (.cse9 (not (<= |old(~a19~0)| 9))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse14 (not .cse8)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (= 2 |old(~a10~0)|)) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 .cse7 .cse5) (or .cse8 .cse2 .cse3 .cse7 .cse9) (or .cse2 (not (<= |old(~a1~0)| 23)) .cse9 .cse10) (or .cse1 .cse2 .cse9 .cse4 .cse10 .cse6) (or .cse8 .cse2 .cse9 .cse10 .cse11) (or .cse1 .cse12 .cse2 (not .cse11)) (or .cse12 .cse2 .cse3 .cse5 .cse11) (or .cse13 .cse14 .cse2) (or .cse0 .cse13 .cse2 .cse9 .cse4 .cse6) (or .cse2 .cse14 .cse4 .cse5 .cse6)))) [2020-08-18 11:25:26,873 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 11:25:26,873 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 11:25:26,873 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 11:25:26,873 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,873 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 11:25:26,874 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,875 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 11:25:26,876 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 11:25:26,877 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 11:25:26,878 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 11:25:26,879 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:25:26,880 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 11:25:26,880 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:25:26,880 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:25:26,880 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 11:25:26,880 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 11:25:26,881 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-18 11:25:26,881 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 11:25:26,881 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 11:25:26,881 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-18 11:25:26,881 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 11:25:26,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:25:26 BoogieIcfgContainer [2020-08-18 11:25:26,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:25:26,908 INFO L168 Benchmark]: Toolchain (without parser) took 39247.75 ms. Allocated memory was 142.1 MB in the beginning and 528.5 MB in the end (delta: 386.4 MB). Free memory was 103.6 MB in the beginning and 334.5 MB in the end (delta: -230.9 MB). Peak memory consumption was 392.5 MB. Max. memory is 7.1 GB. [2020-08-18 11:25:26,909 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 11:25:26,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.60 ms. Allocated memory was 142.1 MB in the beginning and 210.8 MB in the end (delta: 68.7 MB). Free memory was 103.4 MB in the beginning and 176.7 MB in the end (delta: -73.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-08-18 11:25:26,911 INFO L168 Benchmark]: Boogie Preprocessor took 105.89 ms. Allocated memory is still 210.8 MB. Free memory was 176.7 MB in the beginning and 172.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-18 11:25:26,911 INFO L168 Benchmark]: RCFGBuilder took 1485.01 ms. Allocated memory was 210.8 MB in the beginning and 232.3 MB in the end (delta: 21.5 MB). Free memory was 172.0 MB in the beginning and 171.9 MB in the end (delta: 135.7 kB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-08-18 11:25:26,912 INFO L168 Benchmark]: TraceAbstraction took 36826.94 ms. Allocated memory was 232.3 MB in the beginning and 528.5 MB in the end (delta: 296.2 MB). Free memory was 170.6 MB in the beginning and 334.5 MB in the end (delta: -163.9 MB). Peak memory consumption was 369.3 MB. Max. memory is 7.1 GB. [2020-08-18 11:25:26,916 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.60 ms. Allocated memory was 142.1 MB in the beginning and 210.8 MB in the end (delta: 68.7 MB). Free memory was 103.4 MB in the beginning and 176.7 MB in the end (delta: -73.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.89 ms. Allocated memory is still 210.8 MB. Free memory was 176.7 MB in the beginning and 172.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1485.01 ms. Allocated memory was 210.8 MB in the beginning and 232.3 MB in the end (delta: 21.5 MB). Free memory was 172.0 MB in the beginning and 171.9 MB in the end (delta: 135.7 kB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36826.94 ms. Allocated memory was 232.3 MB in the beginning and 528.5 MB in the end (delta: 296.2 MB). Free memory was 170.6 MB in the beginning and 334.5 MB in the end (delta: -163.9 MB). Peak memory consumption was 369.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: (((((((((((((((((218 < a1 || a1 <= 38) && 10 <= a19) && 0 == \old(a10)) && a10 == \old(a10)) || ((((!(a10 == 0) && !(a10 == 3)) && 10 <= a19) && !(a10 == 2)) && 0 == \old(a10))) || (((!(a19 == 8) && !(a10 == 2)) && a19 <= 9) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || ((((23 <= a1 && !(a10 == 3)) && (218 < a1 || a1 <= 38)) && a19 <= 9) && 0 == \old(a10))) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || ((a1 <= 23 && a19 == \old(a19)) && 0 == \old(a10))) || ((((!(a10 == 3) && !(a19 == 9)) && a19 <= 9) && 2 <= a10) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.2s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 26.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 340 SDtfs, 10125 SDslu, 538 SDs, 0 SdLazy, 17351 SolverSat, 2506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4166occurred 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: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 3143 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 192 PreInvPairs, 290 NumberOfFragments, 705 HoareAnnotationTreeSize, 192 FomulaSimplifications, 32632 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10656 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2118 NumberOfCodeBlocks, 2118 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2107 ConstructedInterpolants, 0 QuantifiedInterpolants, 1876518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1014/1669 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...