/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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:24:01,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:24:01,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:24:01,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-18 11:24:01,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:24:01,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:24:01,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:24:01,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:24:01,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:24:01,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:24:01,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:24:01,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:24:01,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:24:01,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:24:01,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:24:01,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:24:01,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 11:24:01,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:24:01,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:24:01,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:24:01,276 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 11:24:01,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:24:01,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:24:01,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:24:01,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:24:01,317 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:24:01,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:24:01,317 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:24:01,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:24:01,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:24:01,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:24:01,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:24:01,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:24:01,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:24:01,320 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:24:01,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:24:01,320 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:24:01,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:24:01,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:24:01,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:24:01,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:24:01,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:24:01,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:24:01,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:24:01,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:24:01,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:24:01,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:24:01,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:24:01,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:24:01,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:24:01,323 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 11:24:01,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:24:01,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:24:01,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:24:01,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:24:01,648 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:24:01,649 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label02.c [2020-08-18 11:24:01,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcaec44c2/350c84c28f28476198b484931c29ac10/FLAG6dad3e383 [2020-08-18 11:24:02,350 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:24:02,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label02.c [2020-08-18 11:24:02,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcaec44c2/350c84c28f28476198b484931c29ac10/FLAG6dad3e383 [2020-08-18 11:24:02,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcaec44c2/350c84c28f28476198b484931c29ac10 [2020-08-18 11:24:02,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:24:02,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:24:02,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:24:02,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:24:02,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:24:02,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:24:02" (1/1) ... [2020-08-18 11:24:02,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:02, skipping insertion in model container [2020-08-18 11:24:02,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:24:02" (1/1) ... [2020-08-18 11:24:02,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:24:02,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:24:03,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:24:03,198 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:24:03,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:24:03,312 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:24:03,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03 WrapperNode [2020-08-18 11:24:03,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:24:03,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:24:03,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:24:03,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:24:03,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (1/1) ... [2020-08-18 11:24:03,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (1/1) ... [2020-08-18 11:24:03,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (1/1) ... [2020-08-18 11:24:03,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (1/1) ... [2020-08-18 11:24:03,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (1/1) ... [2020-08-18 11:24:03,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (1/1) ... [2020-08-18 11:24:03,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (1/1) ... [2020-08-18 11:24:03,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:24:03,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:24:03,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:24:03,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:24:03,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (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 11:24:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:24:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:24:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 11:24:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:24:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 11:24:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:24:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:24:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 11:24:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:24:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:24:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:24:04,942 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:24:04,942 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 11:24:04,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:24:04 BoogieIcfgContainer [2020-08-18 11:24:04,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:24:04,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:24:04,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:24:04,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:24:04,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:24:02" (1/3) ... [2020-08-18 11:24:04,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:24:04, skipping insertion in model container [2020-08-18 11:24:04,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:24:03" (2/3) ... [2020-08-18 11:24:04,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:24:04, skipping insertion in model container [2020-08-18 11:24:04,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:24:04" (3/3) ... [2020-08-18 11:24:04,958 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label02.c [2020-08-18 11:24:04,969 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:24:04,978 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:24:04,993 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:24:05,019 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:24:05,020 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:24:05,020 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:24:05,020 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:24:05,020 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:24:05,020 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:24:05,020 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:24:05,021 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:24:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 11:24:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-18 11:24:05,055 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:05,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:24:05,056 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:05,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:05,063 INFO L82 PathProgramCache]: Analyzing trace with hash -824341666, now seen corresponding path program 1 times [2020-08-18 11:24:05,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:05,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152244527] [2020-08-18 11:24:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:05,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:05,587 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 11:24:05,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152244527] [2020-08-18 11:24:05,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:05,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:24:05,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056694090] [2020-08-18 11:24:05,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:24:05,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:05,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:24:05,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:24:05,620 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 11:24:07,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:07,741 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2020-08-18 11:24:07,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:24:07,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-08-18 11:24:07,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:07,781 INFO L225 Difference]: With dead ends: 745 [2020-08-18 11:24:07,783 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 11:24:07,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:24:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 11:24:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-08-18 11:24:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-08-18 11:24:07,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 635 transitions. [2020-08-18 11:24:07,890 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 635 transitions. Word has length 65 [2020-08-18 11:24:07,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:07,891 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 635 transitions. [2020-08-18 11:24:07,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:24:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 635 transitions. [2020-08-18 11:24:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-18 11:24:07,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:07,899 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, 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] [2020-08-18 11:24:07,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:24:07,900 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:07,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:07,900 INFO L82 PathProgramCache]: Analyzing trace with hash 177708450, now seen corresponding path program 1 times [2020-08-18 11:24:07,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:07,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148312935] [2020-08-18 11:24:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:08,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:08,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148312935] [2020-08-18 11:24:08,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:08,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 11:24:08,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157729641] [2020-08-18 11:24:08,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:24:08,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:08,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:24:08,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:24:08,170 INFO L87 Difference]: Start difference. First operand 443 states and 635 transitions. Second operand 8 states. [2020-08-18 11:24:10,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:10,259 INFO L93 Difference]: Finished difference Result 1782 states and 2698 transitions. [2020-08-18 11:24:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:24:10,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-18 11:24:10,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:10,272 INFO L225 Difference]: With dead ends: 1782 [2020-08-18 11:24:10,273 INFO L226 Difference]: Without dead ends: 1345 [2020-08-18 11:24:10,275 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 11:24:10,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-08-18 11:24:10,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1184. [2020-08-18 11:24:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-08-18 11:24:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1666 transitions. [2020-08-18 11:24:10,379 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1666 transitions. Word has length 139 [2020-08-18 11:24:10,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:10,380 INFO L479 AbstractCegarLoop]: Abstraction has 1184 states and 1666 transitions. [2020-08-18 11:24:10,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:24:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1666 transitions. [2020-08-18 11:24:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-08-18 11:24:10,386 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:10,386 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, 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] [2020-08-18 11:24:10,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:24:10,386 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:10,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:10,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1533828447, now seen corresponding path program 1 times [2020-08-18 11:24:10,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:10,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769229551] [2020-08-18 11:24:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:10,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:10,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:10,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769229551] [2020-08-18 11:24:10,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:24:10,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:24:10,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387847982] [2020-08-18 11:24:10,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:24:10,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:10,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:24:10,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:24:10,724 INFO L87 Difference]: Start difference. First operand 1184 states and 1666 transitions. Second operand 8 states. [2020-08-18 11:24:12,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:12,594 INFO L93 Difference]: Finished difference Result 2973 states and 4187 transitions. [2020-08-18 11:24:12,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 11:24:12,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2020-08-18 11:24:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:12,612 INFO L225 Difference]: With dead ends: 2973 [2020-08-18 11:24:12,612 INFO L226 Difference]: Without dead ends: 1768 [2020-08-18 11:24:12,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 11:24:12,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2020-08-18 11:24:12,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1762. [2020-08-18 11:24:12,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1762 states. [2020-08-18 11:24:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2451 transitions. [2020-08-18 11:24:12,716 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2451 transitions. Word has length 144 [2020-08-18 11:24:12,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:12,716 INFO L479 AbstractCegarLoop]: Abstraction has 1762 states and 2451 transitions. [2020-08-18 11:24:12,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:24:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2451 transitions. [2020-08-18 11:24:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-18 11:24:12,728 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:12,728 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, 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 11:24:12,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:24:12,732 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:12,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:12,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1165965249, now seen corresponding path program 1 times [2020-08-18 11:24:12,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:12,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658031718] [2020-08-18 11:24:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:12,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:13,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658031718] [2020-08-18 11:24:13,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:13,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 11:24:13,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74223888] [2020-08-18 11:24:13,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:24:13,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:13,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:24:13,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:24:13,066 INFO L87 Difference]: Start difference. First operand 1762 states and 2451 transitions. Second operand 8 states. [2020-08-18 11:24:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:14,603 INFO L93 Difference]: Finished difference Result 4166 states and 6193 transitions. [2020-08-18 11:24:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:24:14,604 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2020-08-18 11:24:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:14,626 INFO L225 Difference]: With dead ends: 4166 [2020-08-18 11:24:14,627 INFO L226 Difference]: Without dead ends: 2553 [2020-08-18 11:24:14,632 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 11:24:14,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2020-08-18 11:24:14,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2217. [2020-08-18 11:24:14,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2217 states. [2020-08-18 11:24:14,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2967 transitions. [2020-08-18 11:24:14,747 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2967 transitions. Word has length 160 [2020-08-18 11:24:14,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:14,749 INFO L479 AbstractCegarLoop]: Abstraction has 2217 states and 2967 transitions. [2020-08-18 11:24:14,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:24:14,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2967 transitions. [2020-08-18 11:24:14,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-08-18 11:24:14,752 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:14,753 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, 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] [2020-08-18 11:24:14,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:24:14,753 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash 973193769, now seen corresponding path program 1 times [2020-08-18 11:24:14,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:14,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111990399] [2020-08-18 11:24:14,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:14,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:14,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 54 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:15,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111990399] [2020-08-18 11:24:15,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:24:15,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:24:15,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419348714] [2020-08-18 11:24:15,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:24:15,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:15,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:24:15,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:24:15,049 INFO L87 Difference]: Start difference. First operand 2217 states and 2967 transitions. Second operand 8 states. [2020-08-18 11:24:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:19,321 INFO L93 Difference]: Finished difference Result 4726 states and 6436 transitions. [2020-08-18 11:24:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:24:19,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-08-18 11:24:19,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:19,342 INFO L225 Difference]: With dead ends: 4726 [2020-08-18 11:24:19,343 INFO L226 Difference]: Without dead ends: 2658 [2020-08-18 11:24:19,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:24:19,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2020-08-18 11:24:19,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2652. [2020-08-18 11:24:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2652 states. [2020-08-18 11:24:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3371 transitions. [2020-08-18 11:24:19,432 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3371 transitions. Word has length 180 [2020-08-18 11:24:19,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:19,433 INFO L479 AbstractCegarLoop]: Abstraction has 2652 states and 3371 transitions. [2020-08-18 11:24:19,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:24:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3371 transitions. [2020-08-18 11:24:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-08-18 11:24:19,437 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:19,437 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, 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 11:24:19,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:24:19,438 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:19,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:19,438 INFO L82 PathProgramCache]: Analyzing trace with hash 913701069, now seen corresponding path program 1 times [2020-08-18 11:24:19,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:19,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482962365] [2020-08-18 11:24:19,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:19,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:19,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:24:19,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482962365] [2020-08-18 11:24:19,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:24:19,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 11:24:19,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935884196] [2020-08-18 11:24:19,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:24:19,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:19,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:24:19,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:24:19,685 INFO L87 Difference]: Start difference. First operand 2652 states and 3371 transitions. Second operand 7 states. [2020-08-18 11:24:21,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:21,154 INFO L93 Difference]: Finished difference Result 5181 states and 6662 transitions. [2020-08-18 11:24:21,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 11:24:21,160 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-08-18 11:24:21,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:21,174 INFO L225 Difference]: With dead ends: 5181 [2020-08-18 11:24:21,175 INFO L226 Difference]: Without dead ends: 2678 [2020-08-18 11:24:21,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:24:21,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2020-08-18 11:24:21,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2664. [2020-08-18 11:24:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2664 states. [2020-08-18 11:24:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3388 transitions. [2020-08-18 11:24:21,267 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3388 transitions. Word has length 182 [2020-08-18 11:24:21,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:21,268 INFO L479 AbstractCegarLoop]: Abstraction has 2664 states and 3388 transitions. [2020-08-18 11:24:21,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:24:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3388 transitions. [2020-08-18 11:24:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-08-18 11:24:21,272 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:24:21,272 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, 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] [2020-08-18 11:24:21,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 11:24:21,273 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:24:21,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:24:21,273 INFO L82 PathProgramCache]: Analyzing trace with hash 470454874, now seen corresponding path program 1 times [2020-08-18 11:24:21,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:24:21,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049781100] [2020-08-18 11:24:21,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:24:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:21,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:24:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:21,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:24:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:24:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 11:24:21,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049781100] [2020-08-18 11:24:21,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:24:21,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:24:21,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632272934] [2020-08-18 11:24:21,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:24:21,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:24:21,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:24:21,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:24:21,514 INFO L87 Difference]: Start difference. First operand 2664 states and 3388 transitions. Second operand 7 states. [2020-08-18 11:24:23,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:24:23,507 INFO L93 Difference]: Finished difference Result 3826 states and 4895 transitions. [2020-08-18 11:24:23,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:24:23,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-08-18 11:24:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:24:23,511 INFO L225 Difference]: With dead ends: 3826 [2020-08-18 11:24:23,511 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:24:23,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:24:23,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:24:23,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:24:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:24:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:24:23,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2020-08-18 11:24:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:24:23,521 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:24:23,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:24:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:24:23,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:24:23,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 11:24:23,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:24:24,931 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 155 DAG size of output: 52 [2020-08-18 11:24:25,198 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-08-18 11:24:25,461 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-08-18 11:24:25,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:24:25,466 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 11:24:25,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:24:25,466 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 11:24:25,466 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,466 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,467 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,467 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,467 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,467 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,467 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 11:24:25,467 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 11:24:25,468 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 11:24:25,469 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 11:24:25,469 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 11:24:25,470 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 11:24:25,471 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 11:24:25,471 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 11:24:25,471 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 11:24:25,471 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 11:24:25,471 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 11:24:25,471 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2020-08-18 11:24:25,471 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 11:24:25,472 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,472 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,472 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,472 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,472 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,472 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 11:24:25,473 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 11:24:25,474 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 11:24:25,475 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,476 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,477 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 11:24:25,477 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 11:24:25,477 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 11:24:25,477 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 11:24:25,477 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 11:24:25,477 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 11:24:25,477 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,478 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 11:24:25,479 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,480 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 11:24:25,481 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,482 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 11:24:25,483 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 11:24:25,484 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse9 (= |old(~a10~0)| 1)) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse8 (not (<= |old(~a1~0)| 38))) (.cse1 (= 6 |old(~a19~0)|)) (.cse6 (= 3 |old(~a10~0)|)) (.cse4 (not (= 14 ~a4~0))) (.cse7 (not (<= 1 |old(~a10~0)|))) (.cse5 (not (= ~a12~0 0))) (.cse0 (not (<= |old(~a10~0)| 0))) (.cse10 (not (= 9 |old(~a19~0)|))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 9 |old(~a19~0)|)) .cse2 .cse6 .cse7) (or .cse8 .cse2 .cse9 .cse3) (or .cse10 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse9 .cse6 .cse7) (or .cse8 .cse1 .cse2 .cse3) (or .cse8 .cse0 .cse2) (or .cse1 .cse2 .cse6 .cse4 .cse7 .cse5) (or .cse0 .cse10 .cse2))) [2020-08-18 11:24:25,484 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 11:24:25,484 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 11:24:25,484 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 11:24:25,484 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,484 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,484 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 11:24:25,485 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 11:24:25,486 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,487 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 11:24:25,488 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 11:24:25,489 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 11:24:25,489 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 11:24:25,489 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 11:24:25,489 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 11:24:25,489 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:24:25,489 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 11:24:25,490 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:24:25,490 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:24:25,490 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 11:24:25,490 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 11:24:25,490 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse0 (not (= ~a10~0 3))) (.cse2 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 9 ~a19~0) .cse0 (<= 1 ~a10~0)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (= ~a19~0 9) (and (not (= ~a10~0 1)) .cse1 .cse2) (and .cse1 (<= ~a10~0 0)) (and .cse0 (not (= ~a19~0 6)) .cse2) (not (= ~a12~0 0)))) [2020-08-18 11:24:25,490 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 11:24:25,491 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 11:24:25,491 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse0 (not (= ~a10~0 3))) (.cse2 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 9 ~a19~0) .cse0 (<= 1 ~a10~0)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (= ~a19~0 9) (and (not (= ~a10~0 1)) .cse1 .cse2) (and .cse1 (<= ~a10~0 0)) (and .cse0 (not (= ~a19~0 6)) .cse2) (not (= ~a12~0 0)))) [2020-08-18 11:24:25,491 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 11:24:25,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:24:25 BoogieIcfgContainer [2020-08-18 11:24:25,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:24:25,516 INFO L168 Benchmark]: Toolchain (without parser) took 22922.66 ms. Allocated memory was 141.6 MB in the beginning and 474.0 MB in the end (delta: 332.4 MB). Free memory was 103.6 MB in the beginning and 258.8 MB in the end (delta: -155.2 MB). Peak memory consumption was 306.7 MB. Max. memory is 7.1 GB. [2020-08-18 11:24:25,517 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 11:24:25,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.87 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.4 MB in the beginning and 172.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-18 11:24:25,518 INFO L168 Benchmark]: Boogie Preprocessor took 109.57 ms. Allocated memory is still 206.6 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-18 11:24:25,519 INFO L168 Benchmark]: RCFGBuilder took 1525.61 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.7 MB in the beginning and 174.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2020-08-18 11:24:25,521 INFO L168 Benchmark]: TraceAbstraction took 20562.86 ms. Allocated memory was 234.9 MB in the beginning and 474.0 MB in the end (delta: 239.1 MB). Free memory was 174.8 MB in the beginning and 258.8 MB in the end (delta: -84.0 MB). Peak memory consumption was 284.5 MB. Max. memory is 7.1 GB. [2020-08-18 11:24:25,528 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.87 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.4 MB in the beginning and 172.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.57 ms. Allocated memory is still 206.6 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1525.61 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.7 MB in the beginning and 174.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20562.86 ms. Allocated memory was 234.9 MB in the beginning and 474.0 MB in the end (delta: 239.1 MB). Free memory was 174.8 MB in the beginning and 258.8 MB in the end (delta: -84.0 MB). Peak memory consumption was 284.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: (((((((((!(23 <= \old(a1)) || !(\old(a10) <= 0)) || ((9 <= a19 && !(a10 == 3)) && 1 <= a10)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || a19 == 9) || ((!(a10 == 1) && a1 <= 38) && a19 <= 9)) || (a1 <= 38 && a10 <= 0)) || ((!(a10 == 3) && !(a19 == 6)) && a19 <= 9)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 183 SDtfs, 5374 SDslu, 255 SDs, 0 SdLazy, 6925 SolverSat, 1754 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2664occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 527 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 144 NumberOfFragments, 438 HoareAnnotationTreeSize, 88 FomulaSimplifications, 4105 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2880 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1069 NumberOfCodeBlocks, 1069 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1062 ConstructedInterpolants, 0 QuantifiedInterpolants, 480759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 326/348 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...