/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/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:23:00,329 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 11:23:00,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:23:00,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:23:00,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:23:00,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:23:00,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:23:00,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:23:00,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:23:00,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:23:00,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:23:00,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:23:00,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:23:00,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:23:00,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 11:23:00,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:23:00,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:23:00,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:23:00,458 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 11:23:00,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:23:00,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:23:00,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:23:00,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:23:00,498 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:23:00,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:23:00,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:23:00,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:23:00,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:23:00,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:23:00,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:23:00,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:23:00,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:23:00,501 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:23:00,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:23:00,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:23:00,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:23:00,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:23:00,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:23:00,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:23:00,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:23:00,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:23:00,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:23:00,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:23:00,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:23:00,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:23:00,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:23:00,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:23:00,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:23:00,504 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 11:23:00,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:23:00,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:23:00,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:23:00,831 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:23:00,831 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:23:00,832 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-18 11:23:00,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a26ee138/b0e3245fcee7498eb43b52273ba328b1/FLAGd1ea33861 [2020-08-18 11:23:01,423 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:23:01,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-18 11:23:01,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a26ee138/b0e3245fcee7498eb43b52273ba328b1/FLAGd1ea33861 [2020-08-18 11:23:01,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a26ee138/b0e3245fcee7498eb43b52273ba328b1 [2020-08-18 11:23:01,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:23:01,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:23:01,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:23:01,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:23:01,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:23:01,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:23:01" (1/1) ... [2020-08-18 11:23:01,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6317371b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:01, skipping insertion in model container [2020-08-18 11:23:01,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:23:01" (1/1) ... [2020-08-18 11:23:01,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:23:01,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:23:02,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:23:02,362 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:23:02,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:23:02,524 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:23:02,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02 WrapperNode [2020-08-18 11:23:02,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:23:02,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:23:02,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:23:02,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:23:02,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (1/1) ... [2020-08-18 11:23:02,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (1/1) ... [2020-08-18 11:23:02,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (1/1) ... [2020-08-18 11:23:02,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (1/1) ... [2020-08-18 11:23:02,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (1/1) ... [2020-08-18 11:23:02,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (1/1) ... [2020-08-18 11:23:02,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (1/1) ... [2020-08-18 11:23:02,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:23:02,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:23:02,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:23:02,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:23:02,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (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 11:23:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:23:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:23:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 11:23:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:23:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 11:23:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:23:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:23:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 11:23:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:23:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:23:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:23:04,087 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:23:04,087 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 11:23:04,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:23:04 BoogieIcfgContainer [2020-08-18 11:23:04,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:23:04,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:23:04,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:23:04,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:23:04,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:23:01" (1/3) ... [2020-08-18 11:23:04,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d797b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:23:04, skipping insertion in model container [2020-08-18 11:23:04,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:02" (2/3) ... [2020-08-18 11:23:04,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d797b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:23:04, skipping insertion in model container [2020-08-18 11:23:04,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:23:04" (3/3) ... [2020-08-18 11:23:04,102 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-08-18 11:23:04,113 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:23:04,121 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:23:04,135 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:23:04,162 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:23:04,162 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:23:04,162 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:23:04,162 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:23:04,163 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:23:04,163 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:23:04,163 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:23:04,163 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:23:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-18 11:23:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-18 11:23:04,203 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:04,204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:04,205 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:04,211 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2020-08-18 11:23:04,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:04,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710917461] [2020-08-18 11:23:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:04,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:04,886 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 11:23:04,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710917461] [2020-08-18 11:23:04,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:23:04,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:23:04,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658041925] [2020-08-18 11:23:04,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:23:04,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:04,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:23:04,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:23:04,915 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-18 11:23:07,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:07,245 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-18 11:23:07,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:23:07,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-08-18 11:23:07,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:07,285 INFO L225 Difference]: With dead ends: 813 [2020-08-18 11:23:07,287 INFO L226 Difference]: Without dead ends: 488 [2020-08-18 11:23:07,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:23:07,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-18 11:23:07,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-18 11:23:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-18 11:23:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-18 11:23:07,459 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 132 [2020-08-18 11:23:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:07,464 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-18 11:23:07,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:23:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-18 11:23:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-18 11:23:07,483 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:07,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:23:07,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:23:07,487 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:07,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:07,488 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2020-08-18 11:23:07,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:07,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257059773] [2020-08-18 11:23:07,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:07,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 11:23:07,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257059773] [2020-08-18 11:23:07,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:23:07,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:23:07,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708204832] [2020-08-18 11:23:07,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:23:07,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:07,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:23:07,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:23:07,798 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 7 states. [2020-08-18 11:23:09,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:09,557 INFO L93 Difference]: Finished difference Result 1399 states and 2064 transitions. [2020-08-18 11:23:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:23:09,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-18 11:23:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:09,564 INFO L225 Difference]: With dead ends: 1399 [2020-08-18 11:23:09,564 INFO L226 Difference]: Without dead ends: 924 [2020-08-18 11:23:09,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:23:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-18 11:23:09,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 772. [2020-08-18 11:23:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-08-18 11:23:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-08-18 11:23:09,614 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 140 [2020-08-18 11:23:09,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:09,615 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-08-18 11:23:09,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:23:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-08-18 11:23:09,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-18 11:23:09,621 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:09,622 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:23:09,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:23:09,622 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:09,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:09,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2020-08-18 11:23:09,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:09,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874760747] [2020-08-18 11:23:09,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:09,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:09,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:23:09,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874760747] [2020-08-18 11:23:09,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:23:09,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 11:23:09,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900211067] [2020-08-18 11:23:09,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:23:09,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:09,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:23:09,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:23:09,793 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 8 states. [2020-08-18 11:23:11,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:11,849 INFO L93 Difference]: Finished difference Result 2632 states and 3998 transitions. [2020-08-18 11:23:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:23:11,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-08-18 11:23:11,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:11,864 INFO L225 Difference]: With dead ends: 2632 [2020-08-18 11:23:11,864 INFO L226 Difference]: Without dead ends: 1866 [2020-08-18 11:23:11,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:23:11,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-08-18 11:23:11,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1545. [2020-08-18 11:23:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-08-18 11:23:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2094 transitions. [2020-08-18 11:23:11,934 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2094 transitions. Word has length 154 [2020-08-18 11:23:11,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:11,934 INFO L479 AbstractCegarLoop]: Abstraction has 1545 states and 2094 transitions. [2020-08-18 11:23:11,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:23:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2094 transitions. [2020-08-18 11:23:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-18 11:23:11,941 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:11,941 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:23:11,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:23:11,942 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:11,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:11,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1282216505, now seen corresponding path program 1 times [2020-08-18 11:23:11,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:11,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724501351] [2020-08-18 11:23:11,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:12,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:12,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-18 11:23:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-18 11:23:12,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724501351] [2020-08-18 11:23:12,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:23:12,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:23:12,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253040451] [2020-08-18 11:23:12,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:23:12,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:12,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:23:12,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:23:12,258 INFO L87 Difference]: Start difference. First operand 1545 states and 2094 transitions. Second operand 7 states. [2020-08-18 11:23:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:15,149 INFO L93 Difference]: Finished difference Result 7540 states and 10695 transitions. [2020-08-18 11:23:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:23:15,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-08-18 11:23:15,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:15,192 INFO L225 Difference]: With dead ends: 7540 [2020-08-18 11:23:15,192 INFO L226 Difference]: Without dead ends: 6001 [2020-08-18 11:23:15,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:23:15,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2020-08-18 11:23:15,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5673. [2020-08-18 11:23:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5673 states. [2020-08-18 11:23:15,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 7856 transitions. [2020-08-18 11:23:15,417 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 7856 transitions. Word has length 167 [2020-08-18 11:23:15,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:15,419 INFO L479 AbstractCegarLoop]: Abstraction has 5673 states and 7856 transitions. [2020-08-18 11:23:15,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:23:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 7856 transitions. [2020-08-18 11:23:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-08-18 11:23:15,436 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:15,436 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:23:15,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:23:15,437 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:15,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:15,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1887045313, now seen corresponding path program 1 times [2020-08-18 11:23:15,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:15,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501428880] [2020-08-18 11:23:15,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:15,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 11:23:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:23:15,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501428880] [2020-08-18 11:23:15,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:23:15,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 11:23:15,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328976699] [2020-08-18 11:23:15,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:23:15,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:15,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:23:15,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:23:15,711 INFO L87 Difference]: Start difference. First operand 5673 states and 7856 transitions. Second operand 7 states. [2020-08-18 11:23:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:17,742 INFO L93 Difference]: Finished difference Result 11131 states and 15877 transitions. [2020-08-18 11:23:17,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:23:17,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-08-18 11:23:17,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:17,785 INFO L225 Difference]: With dead ends: 11131 [2020-08-18 11:23:17,785 INFO L226 Difference]: Without dead ends: 5464 [2020-08-18 11:23:17,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:23:17,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2020-08-18 11:23:18,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 5254. [2020-08-18 11:23:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2020-08-18 11:23:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 6737 transitions. [2020-08-18 11:23:18,087 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 6737 transitions. Word has length 171 [2020-08-18 11:23:18,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:18,088 INFO L479 AbstractCegarLoop]: Abstraction has 5254 states and 6737 transitions. [2020-08-18 11:23:18,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:23:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 6737 transitions. [2020-08-18 11:23:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-08-18 11:23:18,120 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:18,120 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 11:23:18,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:23:18,122 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:18,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:18,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1742257649, now seen corresponding path program 1 times [2020-08-18 11:23:18,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:18,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84240391] [2020-08-18 11:23:18,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:18,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:18,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-18 11:23:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:18,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:23:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-18 11:23:18,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84240391] [2020-08-18 11:23:18,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:23:18,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 11:23:18,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480884572] [2020-08-18 11:23:18,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:23:18,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:18,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:23:18,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:23:18,542 INFO L87 Difference]: Start difference. First operand 5254 states and 6737 transitions. Second operand 9 states. [2020-08-18 11:23:21,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:21,517 INFO L93 Difference]: Finished difference Result 10173 states and 13051 transitions. [2020-08-18 11:23:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:23:21,518 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2020-08-18 11:23:21,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:21,538 INFO L225 Difference]: With dead ends: 10173 [2020-08-18 11:23:21,538 INFO L226 Difference]: Without dead ends: 4481 [2020-08-18 11:23:21,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:23:21,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2020-08-18 11:23:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4039. [2020-08-18 11:23:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4039 states. [2020-08-18 11:23:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 4039 states and 4891 transitions. [2020-08-18 11:23:21,723 INFO L78 Accepts]: Start accepts. Automaton has 4039 states and 4891 transitions. Word has length 197 [2020-08-18 11:23:21,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:21,724 INFO L479 AbstractCegarLoop]: Abstraction has 4039 states and 4891 transitions. [2020-08-18 11:23:21,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:23:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4891 transitions. [2020-08-18 11:23:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-08-18 11:23:21,740 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:21,741 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:23:21,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 11:23:21,741 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:21,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:21,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1025523057, now seen corresponding path program 1 times [2020-08-18 11:23:21,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:21,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061870105] [2020-08-18 11:23:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:21,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 11:23:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:23:22,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061870105] [2020-08-18 11:23:22,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:23:22,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 11:23:22,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591688167] [2020-08-18 11:23:22,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:23:22,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:22,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:23:22,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:23:22,040 INFO L87 Difference]: Start difference. First operand 4039 states and 4891 transitions. Second operand 9 states. [2020-08-18 11:23:23,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:23,984 INFO L93 Difference]: Finished difference Result 9138 states and 11177 transitions. [2020-08-18 11:23:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:23:23,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-08-18 11:23:23,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:24,012 INFO L225 Difference]: With dead ends: 9138 [2020-08-18 11:23:24,012 INFO L226 Difference]: Without dead ends: 5249 [2020-08-18 11:23:24,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-18 11:23:24,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2020-08-18 11:23:24,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 4655. [2020-08-18 11:23:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4655 states. [2020-08-18 11:23:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5544 transitions. [2020-08-18 11:23:24,147 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5544 transitions. Word has length 213 [2020-08-18 11:23:24,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:24,147 INFO L479 AbstractCegarLoop]: Abstraction has 4655 states and 5544 transitions. [2020-08-18 11:23:24,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:23:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5544 transitions. [2020-08-18 11:23:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-18 11:23:24,162 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:24,163 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:24,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 11:23:24,164 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:24,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:24,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2020-08-18 11:23:24,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:24,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202567276] [2020-08-18 11:23:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:24,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:24,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-18 11:23:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 11:23:24,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202567276] [2020-08-18 11:23:24,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:23:24,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:23:24,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124399440] [2020-08-18 11:23:24,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:23:24,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:24,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:23:24,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:23:24,537 INFO L87 Difference]: Start difference. First operand 4655 states and 5544 transitions. Second operand 8 states. [2020-08-18 11:23:26,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:26,473 INFO L93 Difference]: Finished difference Result 9170 states and 10928 transitions. [2020-08-18 11:23:26,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:23:26,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-08-18 11:23:26,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:26,498 INFO L225 Difference]: With dead ends: 9170 [2020-08-18 11:23:26,499 INFO L226 Difference]: Without dead ends: 3736 [2020-08-18 11:23:26,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:23:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2020-08-18 11:23:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3436. [2020-08-18 11:23:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3436 states. [2020-08-18 11:23:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 3745 transitions. [2020-08-18 11:23:26,597 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 3745 transitions. Word has length 217 [2020-08-18 11:23:26,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:26,597 INFO L479 AbstractCegarLoop]: Abstraction has 3436 states and 3745 transitions. [2020-08-18 11:23:26,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:23:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 3745 transitions. [2020-08-18 11:23:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-18 11:23:26,607 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:23:26,607 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:23:26,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 11:23:26,608 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:23:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:23:26,608 INFO L82 PathProgramCache]: Analyzing trace with hash 836626846, now seen corresponding path program 1 times [2020-08-18 11:23:26,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:23:26,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779779681] [2020-08-18 11:23:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:23:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:23:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:26,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 11:23:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:26,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:23:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:23:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 95 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-18 11:23:26,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779779681] [2020-08-18 11:23:26,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 11:23:26,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 11:23:26,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346115901] [2020-08-18 11:23:26,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:23:26,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:23:26,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:23:26,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:23:26,987 INFO L87 Difference]: Start difference. First operand 3436 states and 3745 transitions. Second operand 8 states. [2020-08-18 11:23:28,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:23:28,783 INFO L93 Difference]: Finished difference Result 6858 states and 7522 transitions. [2020-08-18 11:23:28,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 11:23:28,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 238 [2020-08-18 11:23:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:23:28,785 INFO L225 Difference]: With dead ends: 6858 [2020-08-18 11:23:28,785 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:23:28,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:23:28,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:23:28,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:23:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:23:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:23:28,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-08-18 11:23:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:23:28,798 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:23:28,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:23:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:23:28,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:23:28,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 11:23:28,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:23:29,464 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-18 11:23:29,666 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-18 11:23:31,243 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 218 DAG size of output: 72 [2020-08-18 11:23:31,662 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-18 11:23:32,053 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-18 11:23:32,057 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:23:32,057 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-18 11:23:32,058 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:23:32,058 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,058 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,058 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,059 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,059 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,059 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-18 11:23:32,059 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-18 11:23:32,059 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-18 11:23:32,060 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-18 11:23:32,061 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-18 11:23:32,062 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-18 11:23:32,063 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,063 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,063 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,063 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,063 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,063 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2020-08-18 11:23:32,063 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-18 11:23:32,064 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-18 11:23:32,064 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-18 11:23:32,064 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 11:23:32,064 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 11:23:32,064 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 11:23:32,064 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-18 11:23:32,064 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,065 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-18 11:23:32,066 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,067 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,068 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,068 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-18 11:23:32,068 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 11:23:32,068 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-18 11:23:32,068 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-18 11:23:32,068 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 11:23:32,068 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-18 11:23:32,069 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-18 11:23:32,070 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,071 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-18 11:23:32,072 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-18 11:23:32,073 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-18 11:23:32,073 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-18 11:23:32,073 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,073 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,073 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,073 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,073 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-18 11:23:32,074 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,075 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 11:23:32,076 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,077 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,078 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= ~a25~0 1)) (.cse9 (= ~a19~0 1)) (.cse10 (= ~a17~0 8)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse22 (= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (and .cse7 (= ~a17~0 |old(~a17~0)|) .cse8 .cse21 .cse22)) (.cse3 (not (<= |old(~a17~0)| 7))) (.cse14 (and .cse7 .cse8 .cse9 .cse21 .cse10)) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse19 (and .cse7 .cse8 .cse10 .cse11 .cse22)) (.cse5 (= 11 |old(~a28~0)|)) (.cse6 (= 9 |old(~a28~0)|)) (.cse13 (= |old(~a17~0)| |old(~a28~0)|)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse20 (and .cse7 .cse8 .cse21 .cse10 .cse22)) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse15 (not (<= |old(~a28~0)| 9))) (.cse17 (not (<= |old(~a25~0)| 0))) (.cse18 (= |old(~a11~0)| 1)) (.cse16 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse15 .cse16 .cse13) (or .cse2 .cse3 .cse15 .cse16 .cse13) (or .cse2 .cse5 .cse3 .cse17 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse18 (not (<= 10 |old(~a28~0)|))) (or .cse4 .cse1 .cse19 .cse12 .cse18 .cse16) (or .cse4 .cse19 .cse5 .cse6 .cse12 .cse16 .cse13) (or .cse0 .cse20 .cse12 .cse16) (or .cse20 .cse12 .cse15 .cse17 .cse18 .cse16)))) [2020-08-18 11:23:32,078 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,078 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,078 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,078 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 11:23:32,079 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,080 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,081 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,081 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-18 11:23:32,081 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-18 11:23:32,081 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-18 11:23:32,081 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-18 11:23:32,081 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-18 11:23:32,081 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-18 11:23:32,082 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 11:23:32,083 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-18 11:23:32,084 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-18 11:23:32,085 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-18 11:23:32,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:23:32,086 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (<= ~a28~0 7) (<= ~a25~0 0)) [2020-08-18 11:23:32,086 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:23:32,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:23:32,086 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-08-18 11:23:32,087 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-18 11:23:32,087 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-18 11:23:32,087 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-18 11:23:32,087 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-18 11:23:32,087 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-18 11:23:32,087 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-18 11:23:32,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:23:32 BoogieIcfgContainer [2020-08-18 11:23:32,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:23:32,114 INFO L168 Benchmark]: Toolchain (without parser) took 30340.71 ms. Allocated memory was 147.8 MB in the beginning and 648.5 MB in the end (delta: 500.7 MB). Free memory was 102.3 MB in the beginning and 120.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 482.5 MB. Max. memory is 7.1 GB. [2020-08-18 11:23:32,114 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 11:23:32,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.95 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-08-18 11:23:32,116 INFO L168 Benchmark]: Boogie Preprocessor took 122.13 ms. Allocated memory is still 206.6 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-18 11:23:32,116 INFO L168 Benchmark]: RCFGBuilder took 1446.20 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 166.2 MB in the beginning and 176.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2020-08-18 11:23:32,117 INFO L168 Benchmark]: TraceAbstraction took 28016.77 ms. Allocated memory was 237.0 MB in the beginning and 648.5 MB in the end (delta: 411.6 MB). Free memory was 175.4 MB in the beginning and 120.5 MB in the end (delta: 54.9 MB). Peak memory consumption was 466.4 MB. Max. memory is 7.1 GB. [2020-08-18 11:23:32,121 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 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.95 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.13 ms. Allocated memory is still 206.6 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1446.20 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 166.2 MB in the beginning and 176.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28016.77 ms. Allocated memory was 237.0 MB in the beginning and 648.5 MB in the end (delta: 411.6 MB). Free memory was 175.4 MB in the beginning and 120.5 MB in the end (delta: 54.9 MB). Peak memory consumption was 466.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(a19) == 1) || ((((!(a28 == 9) && !(a28 == a17)) && a17 == 8) && a25 == 1) && !(a28 == 11))) || !(8 == \old(a17))) || ((a19 == 1 && a28 <= 7) && a17 <= 7)) || !(\old(a25) <= 0)) || (((!(a28 == a17) && a19 == 1) && a28 <= 9) && a17 <= 8)) || (((a17 == 8 && !(a11 == 1)) && a28 <= 9) && a25 <= 0)) || ((!(a28 == a17) && a28 <= 9) && a17 <= 7)) || !(\old(a28) <= 7)) || ((((a19 == 1 && 10 <= a28) && a17 == 8) && !(a11 == 1)) && !(a28 == 11))) || (((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1))) || (a17 == 8 && a28 <= 7)) || !(a21 == 1)) || !(\old(a11) <= 0)) || (((!(a28 == a17) && a17 <= 7) && a25 <= 0) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 9124 SDslu, 496 SDs, 0 SdLazy, 10178 SolverSat, 2285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5673occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 2354 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 209 PreInvPairs, 275 NumberOfFragments, 751 HoareAnnotationTreeSize, 209 FomulaSimplifications, 37281 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6226 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1629 NumberOfCodeBlocks, 1629 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1620 ConstructedInterpolants, 0 QuantifiedInterpolants, 946785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 485/522 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...