/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 --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 02:01:56,428 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 02:01:56,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 02:01:56,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 02:01:56,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 02:01:56,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 02:01:56,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 02:01:56,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 02:01:56,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 02:01:56,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 02:01:56,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 02:01:56,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 02:01:56,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 02:01:56,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 02:01:56,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 02:01:56,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 02:01:56,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 02:01:56,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 02:01:56,556 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 [2020-08-19 02:01:56,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 02:01:56,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 02:01:56,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 02:01:56,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 02:01:56,600 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 02:01:56,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 02:01:56,601 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 02:01:56,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 02:01:56,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 02:01:56,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 02:01:56,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 02:01:56,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 02:01:56,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 02:01:56,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 02:01:56,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 02:01:56,603 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 02:01:56,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 02:01:56,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 02:01:56,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 02:01:56,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 02:01:56,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 02:01:56,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 02:01:56,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 02:01:56,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 02:01:56,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 02:01:56,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 02:01:56,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 02:01:56,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 02:01:56,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 02:01:56,605 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; [2020-08-19 02:01:56,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 02:01:56,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 02:01:56,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 02:01:56,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 02:01:56,979 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 02:01:56,980 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-08-19 02:01:57,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b6f78f4e/bb3985f052b94e199b6e9f9376373bd9/FLAG62a7c170c [2020-08-19 02:01:57,652 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 02:01:57,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-08-19 02:01:57,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b6f78f4e/bb3985f052b94e199b6e9f9376373bd9/FLAG62a7c170c [2020-08-19 02:01:57,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b6f78f4e/bb3985f052b94e199b6e9f9376373bd9 [2020-08-19 02:01:57,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 02:01:57,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 02:01:57,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 02:01:57,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 02:01:57,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 02:01:57,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:01:57" (1/1) ... [2020-08-19 02:01:57,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccc0ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:57, skipping insertion in model container [2020-08-19 02:01:57,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:01:57" (1/1) ... [2020-08-19 02:01:57,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 02:01:57,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 02:01:58,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:01:58,407 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 02:01:58,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:01:58,632 INFO L208 MainTranslator]: Completed translation [2020-08-19 02:01:58,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58 WrapperNode [2020-08-19 02:01:58,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 02:01:58,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 02:01:58,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 02:01:58,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 02:01:58,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (1/1) ... [2020-08-19 02:01:58,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (1/1) ... [2020-08-19 02:01:58,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (1/1) ... [2020-08-19 02:01:58,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (1/1) ... [2020-08-19 02:01:58,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (1/1) ... [2020-08-19 02:01:58,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (1/1) ... [2020-08-19 02:01:58,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (1/1) ... [2020-08-19 02:01:58,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 02:01:58,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 02:01:58,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 02:01:58,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 02:01:58,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (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 [2020-08-19 02:01:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 02:01:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 02:01:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 02:01:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 02:01:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 02:01:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 02:01:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 02:01:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 02:01:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 02:01:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 02:01:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 02:02:00,073 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 02:02:00,073 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 02:02:00,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:02:00 BoogieIcfgContainer [2020-08-19 02:02:00,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 02:02:00,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 02:02:00,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 02:02:00,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 02:02:00,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 02:01:57" (1/3) ... [2020-08-19 02:02:00,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca9cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:02:00, skipping insertion in model container [2020-08-19 02:02:00,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:01:58" (2/3) ... [2020-08-19 02:02:00,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca9cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:02:00, skipping insertion in model container [2020-08-19 02:02:00,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:02:00" (3/3) ... [2020-08-19 02:02:00,097 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-08-19 02:02:00,107 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 02:02:00,118 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 02:02:00,132 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 02:02:00,174 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 02:02:00,175 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 02:02:00,175 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 02:02:00,176 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 02:02:00,176 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 02:02:00,176 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 02:02:00,176 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 02:02:00,176 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 02:02:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-19 02:02:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-19 02:02:00,222 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:00,223 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] [2020-08-19 02:02:00,224 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:00,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:00,231 INFO L82 PathProgramCache]: Analyzing trace with hash -864026194, now seen corresponding path program 1 times [2020-08-19 02:02:00,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:00,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552433601] [2020-08-19 02:02:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:00,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:02:00,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552433601] [2020-08-19 02:02:00,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:02:00,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 02:02:00,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525783395] [2020-08-19 02:02:00,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 02:02:00,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:00,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 02:02:00,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 02:02:00,765 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-19 02:02:02,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:02,799 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-19 02:02:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 02:02:02,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-08-19 02:02:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:02,822 INFO L225 Difference]: With dead ends: 730 [2020-08-19 02:02:02,822 INFO L226 Difference]: Without dead ends: 447 [2020-08-19 02:02:02,831 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 [2020-08-19 02:02:02,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-19 02:02:02,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-19 02:02:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-19 02:02:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-19 02:02:02,935 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 69 [2020-08-19 02:02:02,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:02,936 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-19 02:02:02,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 02:02:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-19 02:02:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-19 02:02:02,945 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:02,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 02:02:02,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 02:02:02,946 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:02,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:02,946 INFO L82 PathProgramCache]: Analyzing trace with hash 2100322626, now seen corresponding path program 1 times [2020-08-19 02:02:02,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:02,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542403691] [2020-08-19 02:02:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:03,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:02:03,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542403691] [2020-08-19 02:02:03,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:02:03,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 02:02:03,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585850417] [2020-08-19 02:02:03,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 02:02:03,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:03,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 02:02:03,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 02:02:03,253 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-19 02:02:05,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:05,410 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-08-19 02:02:05,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 02:02:05,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2020-08-19 02:02:05,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:05,420 INFO L225 Difference]: With dead ends: 1490 [2020-08-19 02:02:05,420 INFO L226 Difference]: Without dead ends: 1055 [2020-08-19 02:02:05,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-19 02:02:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-08-19 02:02:05,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-08-19 02:02:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-08-19 02:02:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-08-19 02:02:05,473 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 151 [2020-08-19 02:02:05,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:05,474 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-08-19 02:02:05,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 02:02:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-08-19 02:02:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-08-19 02:02:05,481 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:05,482 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 02:02:05,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 02:02:05,482 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:05,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:05,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1954765038, now seen corresponding path program 1 times [2020-08-19 02:02:05,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:05,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972331425] [2020-08-19 02:02:05,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:05,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:05,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:02:05,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972331425] [2020-08-19 02:02:05,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:02:05,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 02:02:05,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740119329] [2020-08-19 02:02:05,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 02:02:05,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:05,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 02:02:05,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 02:02:05,797 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-08-19 02:02:07,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:07,357 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-08-19 02:02:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 02:02:07,360 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-08-19 02:02:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:07,367 INFO L225 Difference]: With dead ends: 1822 [2020-08-19 02:02:07,367 INFO L226 Difference]: Without dead ends: 1083 [2020-08-19 02:02:07,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-19 02:02:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-08-19 02:02:07,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-08-19 02:02:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-08-19 02:02:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-08-19 02:02:07,408 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 191 [2020-08-19 02:02:07,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:07,409 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-08-19 02:02:07,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 02:02:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-08-19 02:02:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-08-19 02:02:07,413 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:07,414 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:02:07,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 02:02:07,414 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:07,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:07,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1296496030, now seen corresponding path program 1 times [2020-08-19 02:02:07,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:07,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943131864] [2020-08-19 02:02:07,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:07,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:07,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 02:02:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 02:02:07,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943131864] [2020-08-19 02:02:07,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:07,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 02:02:07,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148824669] [2020-08-19 02:02:07,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 02:02:07,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:07,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 02:02:07,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 02:02:07,758 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-08-19 02:02:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:09,654 INFO L93 Difference]: Finished difference Result 2563 states and 3412 transitions. [2020-08-19 02:02:09,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 02:02:09,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-08-19 02:02:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:09,666 INFO L225 Difference]: With dead ends: 2563 [2020-08-19 02:02:09,666 INFO L226 Difference]: Without dead ends: 1514 [2020-08-19 02:02:09,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 02:02:09,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-08-19 02:02:09,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1206. [2020-08-19 02:02:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-19 02:02:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1556 transitions. [2020-08-19 02:02:09,719 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1556 transitions. Word has length 237 [2020-08-19 02:02:09,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:09,719 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1556 transitions. [2020-08-19 02:02:09,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 02:02:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1556 transitions. [2020-08-19 02:02:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-19 02:02:09,732 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:09,732 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:02:09,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 02:02:09,733 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:09,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1124899605, now seen corresponding path program 1 times [2020-08-19 02:02:09,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:09,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173723062] [2020-08-19 02:02:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-19 02:02:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 124 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-19 02:02:10,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173723062] [2020-08-19 02:02:10,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:10,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 02:02:10,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639100930] [2020-08-19 02:02:10,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 02:02:10,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:10,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 02:02:10,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 02:02:10,139 INFO L87 Difference]: Start difference. First operand 1206 states and 1556 transitions. Second operand 7 states. [2020-08-19 02:02:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:11,574 INFO L93 Difference]: Finished difference Result 2587 states and 3335 transitions. [2020-08-19 02:02:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 02:02:11,575 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-08-19 02:02:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:11,585 INFO L225 Difference]: With dead ends: 2587 [2020-08-19 02:02:11,586 INFO L226 Difference]: Without dead ends: 1387 [2020-08-19 02:02:11,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-19 02:02:11,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-08-19 02:02:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1206. [2020-08-19 02:02:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-19 02:02:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1507 transitions. [2020-08-19 02:02:11,652 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1507 transitions. Word has length 238 [2020-08-19 02:02:11,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:11,652 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1507 transitions. [2020-08-19 02:02:11,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 02:02:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1507 transitions. [2020-08-19 02:02:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-08-19 02:02:11,663 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:11,664 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:02:11,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 02:02:11,666 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:11,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:11,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1587839886, now seen corresponding path program 1 times [2020-08-19 02:02:11,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:11,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907132262] [2020-08-19 02:02:11,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:11,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:11,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:11,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-19 02:02:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:12,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-19 02:02:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:12,183 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 194 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 02:02:12,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907132262] [2020-08-19 02:02:12,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:12,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 02:02:12,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811157571] [2020-08-19 02:02:12,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 02:02:12,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:12,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 02:02:12,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 02:02:12,196 INFO L87 Difference]: Start difference. First operand 1206 states and 1507 transitions. Second operand 10 states. [2020-08-19 02:02:15,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:15,461 INFO L93 Difference]: Finished difference Result 4330 states and 5676 transitions. [2020-08-19 02:02:15,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-19 02:02:15,462 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 317 [2020-08-19 02:02:15,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:15,481 INFO L225 Difference]: With dead ends: 4330 [2020-08-19 02:02:15,481 INFO L226 Difference]: Without dead ends: 3246 [2020-08-19 02:02:15,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-08-19 02:02:15,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2020-08-19 02:02:15,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 2231. [2020-08-19 02:02:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-08-19 02:02:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2937 transitions. [2020-08-19 02:02:15,564 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2937 transitions. Word has length 317 [2020-08-19 02:02:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:15,565 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2937 transitions. [2020-08-19 02:02:15,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 02:02:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2937 transitions. [2020-08-19 02:02:15,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-08-19 02:02:15,575 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:15,575 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 02:02:15,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 02:02:15,576 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:15,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:15,576 INFO L82 PathProgramCache]: Analyzing trace with hash 533109226, now seen corresponding path program 1 times [2020-08-19 02:02:15,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:15,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982356331] [2020-08-19 02:02:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:15,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:15,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-19 02:02:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:15,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-08-19 02:02:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 272 proven. 158 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 02:02:16,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982356331] [2020-08-19 02:02:16,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:16,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 02:02:16,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821445785] [2020-08-19 02:02:16,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 02:02:16,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:16,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 02:02:16,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-19 02:02:16,229 INFO L87 Difference]: Start difference. First operand 2231 states and 2937 transitions. Second operand 11 states. [2020-08-19 02:02:19,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:19,404 INFO L93 Difference]: Finished difference Result 4486 states and 5997 transitions. [2020-08-19 02:02:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 02:02:19,404 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 353 [2020-08-19 02:02:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:19,417 INFO L225 Difference]: With dead ends: 4486 [2020-08-19 02:02:19,417 INFO L226 Difference]: Without dead ends: 2404 [2020-08-19 02:02:19,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-08-19 02:02:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2020-08-19 02:02:19,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2235. [2020-08-19 02:02:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-19 02:02:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2881 transitions. [2020-08-19 02:02:19,528 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2881 transitions. Word has length 353 [2020-08-19 02:02:19,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:19,529 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2881 transitions. [2020-08-19 02:02:19,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 02:02:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2881 transitions. [2020-08-19 02:02:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-08-19 02:02:19,542 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:19,542 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:02:19,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 02:02:19,543 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:19,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:19,543 INFO L82 PathProgramCache]: Analyzing trace with hash 897871321, now seen corresponding path program 1 times [2020-08-19 02:02:19,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:19,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137622] [2020-08-19 02:02:19,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:19,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-19 02:02:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:19,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-19 02:02:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 349 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-08-19 02:02:19,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137622] [2020-08-19 02:02:19,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:19,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 02:02:19,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293962934] [2020-08-19 02:02:19,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 02:02:19,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:19,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 02:02:19,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 02:02:19,963 INFO L87 Difference]: Start difference. First operand 2235 states and 2881 transitions. Second operand 7 states. [2020-08-19 02:02:21,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:21,678 INFO L93 Difference]: Finished difference Result 5209 states and 6852 transitions. [2020-08-19 02:02:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 02:02:21,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 372 [2020-08-19 02:02:21,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:21,694 INFO L225 Difference]: With dead ends: 5209 [2020-08-19 02:02:21,695 INFO L226 Difference]: Without dead ends: 3123 [2020-08-19 02:02:21,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-19 02:02:21,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2020-08-19 02:02:21,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2962. [2020-08-19 02:02:21,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2962 states. [2020-08-19 02:02:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3768 transitions. [2020-08-19 02:02:21,782 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3768 transitions. Word has length 372 [2020-08-19 02:02:21,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:21,782 INFO L479 AbstractCegarLoop]: Abstraction has 2962 states and 3768 transitions. [2020-08-19 02:02:21,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 02:02:21,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3768 transitions. [2020-08-19 02:02:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2020-08-19 02:02:21,794 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:21,794 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 02:02:21,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 02:02:21,795 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:21,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:21,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1435734617, now seen corresponding path program 1 times [2020-08-19 02:02:21,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:21,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461904570] [2020-08-19 02:02:21,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:21,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:22,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-19 02:02:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-19 02:02:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 275 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-08-19 02:02:22,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461904570] [2020-08-19 02:02:22,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:22,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 02:02:22,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769504798] [2020-08-19 02:02:22,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 02:02:22,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:22,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 02:02:22,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-19 02:02:22,500 INFO L87 Difference]: Start difference. First operand 2962 states and 3768 transitions. Second operand 9 states. [2020-08-19 02:02:27,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:27,196 INFO L93 Difference]: Finished difference Result 6369 states and 8193 transitions. [2020-08-19 02:02:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 02:02:27,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 376 [2020-08-19 02:02:27,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:27,212 INFO L225 Difference]: With dead ends: 6369 [2020-08-19 02:02:27,212 INFO L226 Difference]: Without dead ends: 3556 [2020-08-19 02:02:27,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-08-19 02:02:27,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-08-19 02:02:27,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3407. [2020-08-19 02:02:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-08-19 02:02:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4305 transitions. [2020-08-19 02:02:27,314 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4305 transitions. Word has length 376 [2020-08-19 02:02:27,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:27,315 INFO L479 AbstractCegarLoop]: Abstraction has 3407 states and 4305 transitions. [2020-08-19 02:02:27,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 02:02:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4305 transitions. [2020-08-19 02:02:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-08-19 02:02:27,329 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:27,330 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 02:02:27,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 02:02:27,330 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1555510269, now seen corresponding path program 1 times [2020-08-19 02:02:27,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:27,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933066701] [2020-08-19 02:02:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:27,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:27,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-19 02:02:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-19 02:02:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 363 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-08-19 02:02:27,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933066701] [2020-08-19 02:02:27,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:27,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 02:02:27,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471783238] [2020-08-19 02:02:27,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 02:02:27,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:27,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 02:02:27,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-19 02:02:27,745 INFO L87 Difference]: Start difference. First operand 3407 states and 4305 transitions. Second operand 11 states. [2020-08-19 02:02:33,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:33,382 INFO L93 Difference]: Finished difference Result 7255 states and 9196 transitions. [2020-08-19 02:02:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-19 02:02:33,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 378 [2020-08-19 02:02:33,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:33,384 INFO L225 Difference]: With dead ends: 7255 [2020-08-19 02:02:33,384 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 02:02:33,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2020-08-19 02:02:33,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 02:02:33,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 02:02:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 02:02:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 02:02:33,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2020-08-19 02:02:33,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:33,399 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 02:02:33,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 02:02:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 02:02:33,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 02:02:33,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 02:02:33,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 02:02:33,941 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-19 02:02:34,152 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-19 02:02:35,139 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 41 [2020-08-19 02:02:35,779 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-19 02:02:36,371 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-19 02:02:36,376 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 02:02:36,376 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-19 02:02:36,376 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 02:02:36,377 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-19 02:02:36,377 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,377 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,377 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,377 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,377 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,377 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-19 02:02:36,378 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-19 02:02:36,379 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-19 02:02:36,380 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-19 02:02:36,380 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-19 02:02:36,380 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-19 02:02:36,380 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-19 02:02:36,380 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-19 02:02:36,380 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-19 02:02:36,380 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,381 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-19 02:02:36,382 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,383 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-19 02:02:36,384 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,385 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-19 02:02:36,386 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-19 02:02:36,387 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-19 02:02:36,388 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-19 02:02:36,389 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-19 02:02:36,390 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,391 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-19 02:02:36,392 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-19 02:02:36,393 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-19 02:02:36,393 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-19 02:02:36,393 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-19 02:02:36,393 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-19 02:02:36,393 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-19 02:02:36,393 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-19 02:02:36,393 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a19~0)| 9))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (not (= 2 |old(~a10~0)|)) .cse4) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse1 .cse3 .cse4) (or .cse1 (not (= |old(~a10~0)| 1)) .cse3 .cse4))) [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,394 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-19 02:02:36,395 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,396 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-19 02:02:36,397 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,398 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-19 02:02:36,399 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-19 02:02:36,400 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-19 02:02:36,400 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-19 02:02:36,400 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-19 02:02:36,400 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 02:02:36,400 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-19 02:02:36,400 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 02:02:36,400 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 02:02:36,401 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-19 02:02:36,401 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-19 02:02:36,401 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-19 02:02:36,401 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-19 02:02:36,401 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-19 02:02:36,401 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-19 02:02:36,402 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-19 02:02:36,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 02:02:36 BoogieIcfgContainer [2020-08-19 02:02:36,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 02:02:36,426 INFO L168 Benchmark]: Toolchain (without parser) took 38527.98 ms. Allocated memory was 138.4 MB in the beginning and 646.4 MB in the end (delta: 508.0 MB). Free memory was 100.5 MB in the beginning and 205.7 MB in the end (delta: -105.3 MB). Peak memory consumption was 527.0 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:36,427 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 02:02:36,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.26 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.3 MB in the beginning and 170.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:36,428 INFO L168 Benchmark]: Boogie Preprocessor took 109.77 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 166.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:36,429 INFO L168 Benchmark]: RCFGBuilder took 1341.33 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 166.3 MB in the beginning and 181.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:36,430 INFO L168 Benchmark]: TraceAbstraction took 36337.68 ms. Allocated memory was 234.9 MB in the beginning and 646.4 MB in the end (delta: 411.6 MB). Free memory was 181.5 MB in the beginning and 205.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 511.6 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:36,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.26 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.3 MB in the beginning and 170.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.77 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 166.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1341.33 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 166.3 MB in the beginning and 181.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36337.68 ms. Allocated memory was 234.9 MB in the beginning and 646.4 MB in the end (delta: 411.6 MB). Free memory was 181.5 MB in the beginning and 205.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 511.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && !(7 == a19)) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a10 <= 0 && !(7 == a19)) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 319 SDtfs, 6845 SDslu, 500 SDs, 0 SdLazy, 14742 SolverSat, 2537 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3407occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2327 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 135 PreInvPairs, 195 NumberOfFragments, 384 HoareAnnotationTreeSize, 135 FomulaSimplifications, 45664 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14335 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2682 NumberOfCodeBlocks, 2682 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2672 ConstructedInterpolants, 0 QuantifiedInterpolants, 2041074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 2152/2707 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...