/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 05:16:27,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 05:16:27,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 05:16:27,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 05:16:27,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 05:16:27,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 05:16:27,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 05:16:27,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 05:16:27,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 05:16:27,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 05:16:27,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 05:16:27,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 05:16:27,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 05:16:27,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 05:16:27,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 05:16:27,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 05:16:27,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 05:16:27,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 05:16:27,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 05:16:27,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 05:16:27,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 05:16:27,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 05:16:27,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 05:16:27,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 05:16:27,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 05:16:27,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 05:16:27,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 05:16:27,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 05:16:27,614 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 05:16:27,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 05:16:27,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 05:16:27,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 05:16:27,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 05:16:27,649 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 05:16:27,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 05:16:27,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 05:16:27,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 05:16:27,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 05:16:27,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 05:16:27,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 05:16:27,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 05:16:27,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 05:16:27,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 05:16:27,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 05:16:27,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 05:16:27,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 05:16:27,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 05:16:27,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 05:16:27,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 05:16:27,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 05:16:27,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:16:27,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 05:16:27,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 05:16:27,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 05:16:27,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 05:16:27,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 05:16:27,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 05:16:27,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 05:16:27,654 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=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; [2020-08-19 05:16:27,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 05:16:27,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 05:16:27,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 05:16:27,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 05:16:27,983 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 05:16:27,983 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-08-19 05:16:28,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d1297164/19d9c0699df0486cb0a082f105a9fe57/FLAGae79f53e0 [2020-08-19 05:16:28,671 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 05:16:28,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-08-19 05:16:28,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d1297164/19d9c0699df0486cb0a082f105a9fe57/FLAGae79f53e0 [2020-08-19 05:16:28,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d1297164/19d9c0699df0486cb0a082f105a9fe57 [2020-08-19 05:16:28,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 05:16:28,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 05:16:28,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 05:16:28,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 05:16:28,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 05:16:28,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:16:28" (1/1) ... [2020-08-19 05:16:28,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:28, skipping insertion in model container [2020-08-19 05:16:28,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:16:28" (1/1) ... [2020-08-19 05:16:28,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 05:16:28,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 05:16:29,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:16:29,445 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 05:16:29,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:16:29,693 INFO L208 MainTranslator]: Completed translation [2020-08-19 05:16:29,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29 WrapperNode [2020-08-19 05:16:29,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 05:16:29,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 05:16:29,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 05:16:29,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 05:16:29,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (1/1) ... [2020-08-19 05:16:29,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (1/1) ... [2020-08-19 05:16:29,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (1/1) ... [2020-08-19 05:16:29,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (1/1) ... [2020-08-19 05:16:29,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (1/1) ... [2020-08-19 05:16:29,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (1/1) ... [2020-08-19 05:16:29,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (1/1) ... [2020-08-19 05:16:29,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 05:16:29,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 05:16:29,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 05:16:29,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 05:16:29,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (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 05:16:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 05:16:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 05:16:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 05:16:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 05:16:31,523 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 05:16:31,523 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 05:16:31,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:16:31 BoogieIcfgContainer [2020-08-19 05:16:31,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 05:16:31,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 05:16:31,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 05:16:31,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 05:16:31,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 05:16:28" (1/3) ... [2020-08-19 05:16:31,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daec97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:16:31, skipping insertion in model container [2020-08-19 05:16:31,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:16:29" (2/3) ... [2020-08-19 05:16:31,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daec97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:16:31, skipping insertion in model container [2020-08-19 05:16:31,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:16:31" (3/3) ... [2020-08-19 05:16:31,539 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-08-19 05:16:31,550 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 05:16:31,560 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 05:16:31,576 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 05:16:31,604 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 05:16:31,605 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 05:16:31,605 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 05:16:31,605 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 05:16:31,605 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 05:16:31,606 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 05:16:31,606 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 05:16:31,606 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 05:16:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-19 05:16:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-19 05:16:31,642 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:31,643 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] [2020-08-19 05:16:31,644 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:31,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:31,651 INFO L82 PathProgramCache]: Analyzing trace with hash -184228989, now seen corresponding path program 1 times [2020-08-19 05:16:31,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:31,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691977884] [2020-08-19 05:16:31,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:32,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:32,124 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 05:16:32,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691977884] [2020-08-19 05:16:32,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:16:32,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 05:16:32,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749889528] [2020-08-19 05:16:32,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:16:32,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:32,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:16:32,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:16:32,155 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-19 05:16:34,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:34,975 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-08-19 05:16:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 05:16:34,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-19 05:16:34,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:35,011 INFO L225 Difference]: With dead ends: 886 [2020-08-19 05:16:35,011 INFO L226 Difference]: Without dead ends: 564 [2020-08-19 05:16:35,021 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 05:16:35,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-19 05:16:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-08-19 05:16:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-08-19 05:16:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 861 transitions. [2020-08-19 05:16:35,119 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 861 transitions. Word has length 60 [2020-08-19 05:16:35,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:35,120 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 861 transitions. [2020-08-19 05:16:35,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:16:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 861 transitions. [2020-08-19 05:16:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-19 05:16:35,129 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:35,129 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:35,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 05:16:35,130 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:35,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:35,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2117260534, now seen corresponding path program 1 times [2020-08-19 05:16:35,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:35,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710130875] [2020-08-19 05:16:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:35,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:16:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:35,395 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:16:35,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710130875] [2020-08-19 05:16:35,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:16:35,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 05:16:35,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547553756] [2020-08-19 05:16:35,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 05:16:35,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:35,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 05:16:35,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:16:35,400 INFO L87 Difference]: Start difference. First operand 560 states and 861 transitions. Second operand 7 states. [2020-08-19 05:16:37,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:37,529 INFO L93 Difference]: Finished difference Result 1518 states and 2374 transitions. [2020-08-19 05:16:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 05:16:37,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-08-19 05:16:37,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:37,537 INFO L225 Difference]: With dead ends: 1518 [2020-08-19 05:16:37,538 INFO L226 Difference]: Without dead ends: 964 [2020-08-19 05:16:37,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 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 05:16:37,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-08-19 05:16:37,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 944. [2020-08-19 05:16:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-08-19 05:16:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1336 transitions. [2020-08-19 05:16:37,594 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1336 transitions. Word has length 154 [2020-08-19 05:16:37,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:37,595 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1336 transitions. [2020-08-19 05:16:37,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 05:16:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1336 transitions. [2020-08-19 05:16:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-08-19 05:16:37,608 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:37,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:37,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 05:16:37,609 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:37,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:37,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1698067270, now seen corresponding path program 1 times [2020-08-19 05:16:37,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:37,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737993342] [2020-08-19 05:16:37,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:37,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:37,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:16:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:16:37,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737993342] [2020-08-19 05:16:37,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:16:37,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 05:16:37,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761148597] [2020-08-19 05:16:37,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:16:37,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:37,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:16:37,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:16:37,998 INFO L87 Difference]: Start difference. First operand 944 states and 1336 transitions. Second operand 8 states. [2020-08-19 05:16:40,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:40,051 INFO L93 Difference]: Finished difference Result 2490 states and 3798 transitions. [2020-08-19 05:16:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 05:16:40,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-08-19 05:16:40,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:40,073 INFO L225 Difference]: With dead ends: 2490 [2020-08-19 05:16:40,074 INFO L226 Difference]: Without dead ends: 1552 [2020-08-19 05:16:40,077 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 05:16:40,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2020-08-19 05:16:40,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1518. [2020-08-19 05:16:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-08-19 05:16:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2119 transitions. [2020-08-19 05:16:40,164 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2119 transitions. Word has length 200 [2020-08-19 05:16:40,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:40,165 INFO L479 AbstractCegarLoop]: Abstraction has 1518 states and 2119 transitions. [2020-08-19 05:16:40,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:16:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2119 transitions. [2020-08-19 05:16:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-08-19 05:16:40,170 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:40,171 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:16:40,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 05:16:40,171 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:40,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:40,172 INFO L82 PathProgramCache]: Analyzing trace with hash 328652488, now seen corresponding path program 1 times [2020-08-19 05:16:40,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:40,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928803274] [2020-08-19 05:16:40,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:40,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:16:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:40,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 05:16:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 106 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-19 05:16:40,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928803274] [2020-08-19 05:16:40,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:16:40,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 05:16:40,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974281101] [2020-08-19 05:16:40,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:16:40,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:40,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:16:40,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:16:40,654 INFO L87 Difference]: Start difference. First operand 1518 states and 2119 transitions. Second operand 8 states. [2020-08-19 05:16:42,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:42,419 INFO L93 Difference]: Finished difference Result 3412 states and 4693 transitions. [2020-08-19 05:16:42,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 05:16:42,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-08-19 05:16:42,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:42,432 INFO L225 Difference]: With dead ends: 3412 [2020-08-19 05:16:42,432 INFO L226 Difference]: Without dead ends: 1900 [2020-08-19 05:16:42,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:16:42,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-08-19 05:16:42,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1890. [2020-08-19 05:16:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1890 states. [2020-08-19 05:16:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2517 transitions. [2020-08-19 05:16:42,507 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2517 transitions. Word has length 219 [2020-08-19 05:16:42,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:42,507 INFO L479 AbstractCegarLoop]: Abstraction has 1890 states and 2517 transitions. [2020-08-19 05:16:42,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:16:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2517 transitions. [2020-08-19 05:16:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-08-19 05:16:42,514 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:42,514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:16:42,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 05:16:42,514 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:42,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash -56962879, now seen corresponding path program 1 times [2020-08-19 05:16:42,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:42,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444942388] [2020-08-19 05:16:42,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:42,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:16:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:42,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 05:16:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-08-19 05:16:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 193 proven. 194 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 05:16:43,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444942388] [2020-08-19 05:16:43,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:16:43,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 05:16:43,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068399090] [2020-08-19 05:16:43,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 05:16:43,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:43,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 05:16:43,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-19 05:16:43,149 INFO L87 Difference]: Start difference. First operand 1890 states and 2517 transitions. Second operand 9 states. [2020-08-19 05:16:45,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:45,713 INFO L93 Difference]: Finished difference Result 3677 states and 4968 transitions. [2020-08-19 05:16:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 05:16:45,714 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 303 [2020-08-19 05:16:45,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:45,723 INFO L225 Difference]: With dead ends: 3677 [2020-08-19 05:16:45,724 INFO L226 Difference]: Without dead ends: 1930 [2020-08-19 05:16:45,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-08-19 05:16:45,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2020-08-19 05:16:45,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1882. [2020-08-19 05:16:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1882 states. [2020-08-19 05:16:45,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2280 transitions. [2020-08-19 05:16:45,790 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2280 transitions. Word has length 303 [2020-08-19 05:16:45,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:45,792 INFO L479 AbstractCegarLoop]: Abstraction has 1882 states and 2280 transitions. [2020-08-19 05:16:45,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 05:16:45,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2280 transitions. [2020-08-19 05:16:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-08-19 05:16:45,802 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:45,804 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:16:45,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 05:16:45,804 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:45,805 INFO L82 PathProgramCache]: Analyzing trace with hash -48667167, now seen corresponding path program 1 times [2020-08-19 05:16:45,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:45,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586008023] [2020-08-19 05:16:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:46,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:16:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:16:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:16:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:46,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-08-19 05:16:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 438 proven. 11 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-08-19 05:16:46,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586008023] [2020-08-19 05:16:46,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:16:46,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 05:16:46,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893463235] [2020-08-19 05:16:46,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 05:16:46,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:46,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 05:16:46,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 05:16:46,463 INFO L87 Difference]: Start difference. First operand 1882 states and 2280 transitions. Second operand 9 states. [2020-08-19 05:16:51,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:51,112 INFO L93 Difference]: Finished difference Result 5238 states and 6410 transitions. [2020-08-19 05:16:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-19 05:16:51,113 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 438 [2020-08-19 05:16:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:51,128 INFO L225 Difference]: With dead ends: 5238 [2020-08-19 05:16:51,128 INFO L226 Difference]: Without dead ends: 3356 [2020-08-19 05:16:51,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2020-08-19 05:16:51,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2020-08-19 05:16:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 2438. [2020-08-19 05:16:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2438 states. [2020-08-19 05:16:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 2779 transitions. [2020-08-19 05:16:51,201 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 2779 transitions. Word has length 438 [2020-08-19 05:16:51,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:51,202 INFO L479 AbstractCegarLoop]: Abstraction has 2438 states and 2779 transitions. [2020-08-19 05:16:51,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 05:16:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 2779 transitions. [2020-08-19 05:16:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2020-08-19 05:16:51,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:51,218 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:16:51,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 05:16:51,218 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:51,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:51,219 INFO L82 PathProgramCache]: Analyzing trace with hash -347726080, now seen corresponding path program 1 times [2020-08-19 05:16:51,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:51,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287231939] [2020-08-19 05:16:51,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:51,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:51,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:16:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:51,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:16:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:51,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:16:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:51,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-08-19 05:16:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:51,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-08-19 05:16:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:52,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 668 proven. 209 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2020-08-19 05:16:52,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287231939] [2020-08-19 05:16:52,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:16:52,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:16:52,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143250563] [2020-08-19 05:16:52,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:16:52,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:52,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:16:52,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:16:52,253 INFO L87 Difference]: Start difference. First operand 2438 states and 2779 transitions. Second operand 10 states. [2020-08-19 05:16:55,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:55,294 INFO L93 Difference]: Finished difference Result 5701 states and 6650 transitions. [2020-08-19 05:16:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 05:16:55,295 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 558 [2020-08-19 05:16:55,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:55,311 INFO L225 Difference]: With dead ends: 5701 [2020-08-19 05:16:55,312 INFO L226 Difference]: Without dead ends: 3400 [2020-08-19 05:16:55,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-08-19 05:16:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2020-08-19 05:16:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 3174. [2020-08-19 05:16:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2020-08-19 05:16:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 3495 transitions. [2020-08-19 05:16:55,413 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 3495 transitions. Word has length 558 [2020-08-19 05:16:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:55,414 INFO L479 AbstractCegarLoop]: Abstraction has 3174 states and 3495 transitions. [2020-08-19 05:16:55,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:16:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 3495 transitions. [2020-08-19 05:16:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2020-08-19 05:16:55,429 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:55,429 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-08-19 05:16:55,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 05:16:55,430 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:55,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:55,430 INFO L82 PathProgramCache]: Analyzing trace with hash -229639858, now seen corresponding path program 1 times [2020-08-19 05:16:55,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:55,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386796288] [2020-08-19 05:16:55,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:55,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:16:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:16:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:55,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:16:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:55,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:16:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:55,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-08-19 05:16:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:16:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 439 proven. 136 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2020-08-19 05:16:56,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386796288] [2020-08-19 05:16:56,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:16:56,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:16:56,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327478855] [2020-08-19 05:16:56,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:16:56,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:16:56,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:16:56,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:16:56,535 INFO L87 Difference]: Start difference. First operand 3174 states and 3495 transitions. Second operand 10 states. [2020-08-19 05:16:57,161 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2020-08-19 05:16:57,915 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-08-19 05:16:59,015 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-08-19 05:16:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:16:59,706 INFO L93 Difference]: Finished difference Result 5994 states and 6643 transitions. [2020-08-19 05:16:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-19 05:16:59,707 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 591 [2020-08-19 05:16:59,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:16:59,720 INFO L225 Difference]: With dead ends: 5994 [2020-08-19 05:16:59,720 INFO L226 Difference]: Without dead ends: 3192 [2020-08-19 05:16:59,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-08-19 05:16:59,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3192 states. [2020-08-19 05:16:59,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 3178. [2020-08-19 05:16:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3178 states. [2020-08-19 05:16:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 3486 transitions. [2020-08-19 05:16:59,798 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 3486 transitions. Word has length 591 [2020-08-19 05:16:59,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:16:59,799 INFO L479 AbstractCegarLoop]: Abstraction has 3178 states and 3486 transitions. [2020-08-19 05:16:59,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:16:59,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 3486 transitions. [2020-08-19 05:16:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2020-08-19 05:16:59,809 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:16:59,810 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2020-08-19 05:16:59,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 05:16:59,810 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:16:59,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:16:59,811 INFO L82 PathProgramCache]: Analyzing trace with hash -278736799, now seen corresponding path program 2 times [2020-08-19 05:16:59,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:16:59,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251677637] [2020-08-19 05:16:59,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:16:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:00,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:17:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:00,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:17:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:00,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:17:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:17:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-08-19 05:17:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:00,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-08-19 05:17:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 609 proven. 140 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2020-08-19 05:17:00,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251677637] [2020-08-19 05:17:00,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:17:00,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 05:17:00,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141525285] [2020-08-19 05:17:00,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 05:17:00,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:17:00,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 05:17:00,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-19 05:17:00,964 INFO L87 Difference]: Start difference. First operand 3178 states and 3486 transitions. Second operand 9 states. [2020-08-19 05:17:03,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:17:03,464 INFO L93 Difference]: Finished difference Result 6354 states and 6982 transitions. [2020-08-19 05:17:03,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 05:17:03,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 701 [2020-08-19 05:17:03,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:17:03,477 INFO L225 Difference]: With dead ends: 6354 [2020-08-19 05:17:03,478 INFO L226 Difference]: Without dead ends: 3364 [2020-08-19 05:17:03,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-08-19 05:17:03,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3364 states. [2020-08-19 05:17:03,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3364 to 3178. [2020-08-19 05:17:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3178 states. [2020-08-19 05:17:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 3484 transitions. [2020-08-19 05:17:03,565 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 3484 transitions. Word has length 701 [2020-08-19 05:17:03,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:17:03,566 INFO L479 AbstractCegarLoop]: Abstraction has 3178 states and 3484 transitions. [2020-08-19 05:17:03,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 05:17:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 3484 transitions. [2020-08-19 05:17:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2020-08-19 05:17:03,574 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:17:03,574 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 05:17:03,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 05:17:03,575 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:17:03,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:17:03,575 INFO L82 PathProgramCache]: Analyzing trace with hash -638310518, now seen corresponding path program 1 times [2020-08-19 05:17:03,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:17:03,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380218161] [2020-08-19 05:17:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:17:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:03,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:17:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:03,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:17:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:03,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:17:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:03,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:17:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:03,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-19 05:17:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:04,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-08-19 05:17:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1398 backedges. 616 proven. 140 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2020-08-19 05:17:04,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380218161] [2020-08-19 05:17:04,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:17:04,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:17:04,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922899395] [2020-08-19 05:17:04,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:17:04,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:17:04,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:17:04,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:17:04,687 INFO L87 Difference]: Start difference. First operand 3178 states and 3484 transitions. Second operand 10 states. [2020-08-19 05:17:05,207 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-08-19 05:17:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:17:08,321 INFO L93 Difference]: Finished difference Result 6540 states and 7200 transitions. [2020-08-19 05:17:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-19 05:17:08,323 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 708 [2020-08-19 05:17:08,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:17:08,337 INFO L225 Difference]: With dead ends: 6540 [2020-08-19 05:17:08,338 INFO L226 Difference]: Without dead ends: 3552 [2020-08-19 05:17:08,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-08-19 05:17:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3552 states. [2020-08-19 05:17:08,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3552 to 3548. [2020-08-19 05:17:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2020-08-19 05:17:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 3869 transitions. [2020-08-19 05:17:08,416 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 3869 transitions. Word has length 708 [2020-08-19 05:17:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:17:08,417 INFO L479 AbstractCegarLoop]: Abstraction has 3548 states and 3869 transitions. [2020-08-19 05:17:08,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:17:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 3869 transitions. [2020-08-19 05:17:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2020-08-19 05:17:08,426 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:17:08,427 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:08,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 05:17:08,427 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:17:08,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:17:08,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1537329314, now seen corresponding path program 1 times [2020-08-19 05:17:08,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:17:08,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638339125] [2020-08-19 05:17:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:17:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:08,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:17:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:08,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:17:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:08,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:17:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:08,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:17:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:08,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-19 05:17:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:08,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-08-19 05:17:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 763 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-08-19 05:17:09,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638339125] [2020-08-19 05:17:09,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:17:09,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 05:17:09,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62953894] [2020-08-19 05:17:09,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 05:17:09,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:17:09,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 05:17:09,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:17:09,291 INFO L87 Difference]: Start difference. First operand 3548 states and 3869 transitions. Second operand 7 states. [2020-08-19 05:17:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:17:10,822 INFO L93 Difference]: Finished difference Result 8032 states and 8890 transitions. [2020-08-19 05:17:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 05:17:10,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 734 [2020-08-19 05:17:10,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:17:10,852 INFO L225 Difference]: With dead ends: 8032 [2020-08-19 05:17:10,852 INFO L226 Difference]: Without dead ends: 4674 [2020-08-19 05:17:10,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:17:10,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4674 states. [2020-08-19 05:17:10,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4674 to 4292. [2020-08-19 05:17:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4292 states. [2020-08-19 05:17:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 4292 states and 4750 transitions. [2020-08-19 05:17:10,952 INFO L78 Accepts]: Start accepts. Automaton has 4292 states and 4750 transitions. Word has length 734 [2020-08-19 05:17:10,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:17:10,953 INFO L479 AbstractCegarLoop]: Abstraction has 4292 states and 4750 transitions. [2020-08-19 05:17:10,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 05:17:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4292 states and 4750 transitions. [2020-08-19 05:17:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2020-08-19 05:17:10,966 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:17:10,966 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 05:17:10,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 05:17:10,967 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:17:10,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:17:10,967 INFO L82 PathProgramCache]: Analyzing trace with hash -583849898, now seen corresponding path program 1 times [2020-08-19 05:17:10,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:17:10,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679402995] [2020-08-19 05:17:10,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:17:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:17:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:17:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:17:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:17:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-19 05:17:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-19 05:17:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-08-19 05:17:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1856 backedges. 327 proven. 6 refuted. 0 times theorem prover too weak. 1523 trivial. 0 not checked. [2020-08-19 05:17:11,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679402995] [2020-08-19 05:17:11,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:17:11,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 05:17:11,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971508895] [2020-08-19 05:17:11,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:17:11,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:17:11,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:17:11,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:17:11,929 INFO L87 Difference]: Start difference. First operand 4292 states and 4750 transitions. Second operand 5 states. [2020-08-19 05:17:13,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:17:13,207 INFO L93 Difference]: Finished difference Result 4296 states and 4753 transitions. [2020-08-19 05:17:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 05:17:13,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 789 [2020-08-19 05:17:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:17:13,221 INFO L225 Difference]: With dead ends: 4296 [2020-08-19 05:17:13,221 INFO L226 Difference]: Without dead ends: 4294 [2020-08-19 05:17:13,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-19 05:17:13,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2020-08-19 05:17:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 4292. [2020-08-19 05:17:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4292 states. [2020-08-19 05:17:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 4292 states and 4747 transitions. [2020-08-19 05:17:13,336 INFO L78 Accepts]: Start accepts. Automaton has 4292 states and 4747 transitions. Word has length 789 [2020-08-19 05:17:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:17:13,338 INFO L479 AbstractCegarLoop]: Abstraction has 4292 states and 4747 transitions. [2020-08-19 05:17:13,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:17:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 4292 states and 4747 transitions. [2020-08-19 05:17:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2020-08-19 05:17:13,351 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:17:13,351 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2020-08-19 05:17:13,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 05:17:13,352 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:17:13,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:17:13,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1874704500, now seen corresponding path program 1 times [2020-08-19 05:17:13,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:17:13,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256708111] [2020-08-19 05:17:13,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:17:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:17:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:17:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:17:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:17:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-19 05:17:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-08-19 05:17:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-08-19 05:17:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2020-08-19 05:17:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 382 proven. 7 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2020-08-19 05:17:14,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256708111] [2020-08-19 05:17:14,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:17:14,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 05:17:14,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372910598] [2020-08-19 05:17:14,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:17:14,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:17:14,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:17:14,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:17:14,195 INFO L87 Difference]: Start difference. First operand 4292 states and 4747 transitions. Second operand 5 states. [2020-08-19 05:17:15,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:17:15,482 INFO L93 Difference]: Finished difference Result 9128 states and 10168 transitions. [2020-08-19 05:17:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 05:17:15,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 834 [2020-08-19 05:17:15,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:17:15,502 INFO L225 Difference]: With dead ends: 9128 [2020-08-19 05:17:15,502 INFO L226 Difference]: Without dead ends: 5026 [2020-08-19 05:17:15,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-19 05:17:15,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2020-08-19 05:17:15,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 3918. [2020-08-19 05:17:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3918 states. [2020-08-19 05:17:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3918 states and 4287 transitions. [2020-08-19 05:17:15,595 INFO L78 Accepts]: Start accepts. Automaton has 3918 states and 4287 transitions. Word has length 834 [2020-08-19 05:17:15,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:17:15,596 INFO L479 AbstractCegarLoop]: Abstraction has 3918 states and 4287 transitions. [2020-08-19 05:17:15,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:17:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3918 states and 4287 transitions. [2020-08-19 05:17:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2020-08-19 05:17:15,609 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:17:15,610 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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] [2020-08-19 05:17:15,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 05:17:15,610 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:17:15,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:17:15,611 INFO L82 PathProgramCache]: Analyzing trace with hash -177347705, now seen corresponding path program 1 times [2020-08-19 05:17:15,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:17:15,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756977812] [2020-08-19 05:17:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:17:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:15,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:17:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:17:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:15,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-19 05:17:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:15,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-19 05:17:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:16,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-19 05:17:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:16,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-08-19 05:17:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-08-19 05:17:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:16,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2020-08-19 05:17:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:17:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 379 proven. 28 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked. [2020-08-19 05:17:16,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756977812] [2020-08-19 05:17:16,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:17:16,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 05:17:16,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608803719] [2020-08-19 05:17:16,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:17:16,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:17:16,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:17:16,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:17:16,418 INFO L87 Difference]: Start difference. First operand 3918 states and 4287 transitions. Second operand 8 states. [2020-08-19 05:17:19,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:17:19,576 INFO L93 Difference]: Finished difference Result 5032 states and 5532 transitions. [2020-08-19 05:17:19,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 05:17:19,577 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 845 [2020-08-19 05:17:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:17:19,580 INFO L225 Difference]: With dead ends: 5032 [2020-08-19 05:17:19,580 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 05:17:19,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-08-19 05:17:19,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 05:17:19,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 05:17:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 05:17:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 05:17:19,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 845 [2020-08-19 05:17:19,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:17:19,590 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 05:17:19,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:17:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 05:17:19,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 05:17:19,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 05:17:19,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 05:17:20,208 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 177 [2020-08-19 05:17:20,382 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 177 [2020-08-19 05:17:20,547 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 30 [2020-08-19 05:17:22,031 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 250 DAG size of output: 61 [2020-08-19 05:17:23,089 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 183 DAG size of output: 55 [2020-08-19 05:17:24,134 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 183 DAG size of output: 55 [2020-08-19 05:17:24,138 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:17:24,139 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-19 05:17:24,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:17:24,140 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-19 05:17:24,140 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-19 05:17:24,140 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,140 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,140 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-19 05:17:24,141 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-19 05:17:24,142 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-19 05:17:24,143 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-19 05:17:24,144 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-19 05:17:24,145 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,146 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-19 05:17:24,147 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-19 05:17:24,148 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-19 05:17:24,149 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-19 05:17:24,150 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse3 (= ~a15~0 |old(~a15~0)|)) (.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse16 (= ~a24~0 1)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse8 (= 8 |old(~a15~0)|))) (let ((.cse10 (not (<= |old(~a15~0)| 8))) (.cse11 (not (<= 7 |old(~a21~0)|))) (.cse7 (= 8 |old(~a21~0)|)) (.cse5 (not (<= |old(~a15~0)| 6))) (.cse14 (not (<= |old(~a12~0)| 2))) (.cse12 (not .cse8)) (.cse13 (and .cse1 (= ~a15~0 8) .cse16 .cse2)) (.cse0 (= 5 |old(~a21~0)|)) (.cse4 (not (= |old(~a24~0)| 1))) (.cse15 (not (= 9 |old(~a15~0)|))) (.cse9 (and .cse1 .cse16 .cse2 .cse3)) (.cse6 (not (<= 12 |old(~a12~0)|)))) (and (or .cse0 (and (= ~a24~0 |old(~a24~0)|) .cse1 .cse2 .cse3) (and (or .cse4 .cse5 .cse6) (or .cse7 .cse5))) (or .cse8 .cse4 .cse9 .cse10 .cse11 (not (<= 7 |old(~a15~0)|))) (or .cse4 .cse12 .cse11 .cse13 .cse14) (or .cse0 .cse7 .cse8 .cse4 .cse9 .cse10) (or .cse4 .cse15 .cse9 .cse11) (or .cse7 .cse4 .cse5 .cse9 .cse14) (or .cse0 .cse4 .cse12 .cse6 .cse13) (or .cse0 .cse4 .cse15 .cse9 .cse6)))) [2020-08-19 05:17:24,150 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-19 05:17:24,150 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-19 05:17:24,150 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,150 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,150 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-19 05:17:24,151 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-19 05:17:24,152 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-19 05:17:24,153 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,154 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-19 05:17:24,155 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-19 05:17:24,156 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-19 05:17:24,157 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-19 05:17:24,158 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-19 05:17:24,159 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-19 05:17:24,160 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-19 05:17:24,161 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-19 05:17:24,162 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-19 05:17:24,163 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-19 05:17:24,164 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-19 05:17:24,165 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 05:17:24,166 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-19 05:17:24,167 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-19 05:17:24,167 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-19 05:17:24,167 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-19 05:17:24,167 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-19 05:17:24,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:17:24,167 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0)) [2020-08-19 05:17:24,167 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 05:17:24,168 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:17:24,168 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= |old(~a24~0)| 1)) (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-08-19 05:17:24,168 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-19 05:17:24,168 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= 7 ~a21~0)) (.cse2 (= ~a15~0 9)) (.cse5 (not (= ~a15~0 8))) (.cse8 (<= 12 ~a12~0)) (.cse6 (<= ~a15~0 8)) (.cse3 (<= ~a12~0 2)) (.cse1 (= ~a24~0 1)) (.cse7 (not (= 5 ~a21~0))) (.cse4 (= 8 |old(~a15~0)|)) (.cse9 (not (= ~a21~0 8))) (.cse10 (<= ~a15~0 6))) (or (not (= 7 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= |old(~a24~0)| 1)) (and .cse0 .cse3 .cse1 (= ~a15~0 |old(~a15~0)|)) (not .cse4) (and .cse0 .cse5 (<= 7 ~a15~0) .cse1 .cse6) (and .cse7 .cse8 .cse1 .cse2) (and .cse7 (or (and .cse5 .cse1 .cse6 .cse9) (and .cse8 .cse1 .cse6))) (and .cse4 .cse3 .cse1 .cse9 .cse10) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse7 .cse4 .cse9 .cse10))) [2020-08-19 05:17:24,168 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-19 05:17:24,168 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-19 05:17:24,169 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= 7 ~a21~0)) (.cse2 (= ~a15~0 9)) (.cse5 (not (= ~a15~0 8))) (.cse8 (<= 12 ~a12~0)) (.cse6 (<= ~a15~0 8)) (.cse3 (<= ~a12~0 2)) (.cse1 (= ~a24~0 1)) (.cse7 (not (= 5 ~a21~0))) (.cse4 (= 8 |old(~a15~0)|)) (.cse9 (not (= ~a21~0 8))) (.cse10 (<= ~a15~0 6))) (or (not (= 7 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= |old(~a24~0)| 1)) (and .cse0 .cse3 .cse1 (= ~a15~0 |old(~a15~0)|)) (not .cse4) (and .cse0 .cse5 (<= 7 ~a15~0) .cse1 .cse6) (and .cse7 .cse8 .cse1 .cse2) (and .cse7 (or (and .cse5 .cse1 .cse6 .cse9) (and .cse8 .cse1 .cse6))) (and .cse4 .cse3 .cse1 .cse9 .cse10) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse7 .cse4 .cse9 .cse10))) [2020-08-19 05:17:24,169 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-19 05:17:24,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 05:17:24 BoogieIcfgContainer [2020-08-19 05:17:24,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 05:17:24,195 INFO L168 Benchmark]: Toolchain (without parser) took 55325.05 ms. Allocated memory was 141.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 102.1 MB in the beginning and 372.6 MB in the end (delta: -270.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-08-19 05:17:24,195 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 05:17:24,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.80 ms. Allocated memory was 141.0 MB in the beginning and 207.6 MB in the end (delta: 66.6 MB). Free memory was 101.9 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2020-08-19 05:17:24,197 INFO L168 Benchmark]: Boogie Preprocessor took 123.11 ms. Allocated memory is still 207.6 MB. Free memory was 171.0 MB in the beginning and 165.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-08-19 05:17:24,197 INFO L168 Benchmark]: RCFGBuilder took 1712.78 ms. Allocated memory was 207.6 MB in the beginning and 239.1 MB in the end (delta: 31.5 MB). Free memory was 165.4 MB in the beginning and 156.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2020-08-19 05:17:24,198 INFO L168 Benchmark]: TraceAbstraction took 52661.32 ms. Allocated memory was 239.1 MB in the beginning and 1.2 GB in the end (delta: 914.9 MB). Free memory was 155.3 MB in the beginning and 372.6 MB in the end (delta: -217.3 MB). Peak memory consumption was 983.9 MB. Max. memory is 7.1 GB. [2020-08-19 05:17:24,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.80 ms. Allocated memory was 141.0 MB in the beginning and 207.6 MB in the end (delta: 66.6 MB). Free memory was 101.9 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.11 ms. Allocated memory is still 207.6 MB. Free memory was 171.0 MB in the beginning and 165.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1712.78 ms. Allocated memory was 207.6 MB in the beginning and 239.1 MB in the end (delta: 31.5 MB). Free memory was 165.4 MB in the beginning and 156.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52661.32 ms. Allocated memory was 239.1 MB in the beginning and 1.2 GB in the end (delta: 914.9 MB). Free memory was 155.3 MB in the beginning and 372.6 MB in the end (delta: -217.3 MB). Peak memory consumption was 983.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((!(7 == \old(a21)) || ((7 <= a21 && a24 == 1) && a15 == 9)) || !(\old(a24) == 1)) || (((7 <= a21 && a12 <= 2) && a24 == 1) && a15 == \old(a15))) || !(8 == \old(a15))) || ((((7 <= a21 && !(a15 == 8)) && 7 <= a15) && a24 == 1) && a15 <= 8)) || (((!(5 == a21) && 12 <= a12) && a24 == 1) && a15 == 9)) || (!(5 == a21) && ((((!(a15 == 8) && a24 == 1) && a15 <= 8) && !(a21 == 8)) || ((12 <= a12 && a24 == 1) && a15 <= 8)))) || ((((8 == \old(a15) && a12 <= 2) && a24 == 1) && !(a21 == 8)) && a15 <= 6)) || !(\old(a12) + 49 <= 0)) || (((!(5 == a21) && 8 == \old(a15)) && !(a21 == 8)) && a15 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.9s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 35.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 389 SDtfs, 14124 SDslu, 546 SDs, 0 SdLazy, 18951 SolverSat, 3301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 425 GetRequests, 231 SyntacticMatches, 3 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4292occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 2956 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 171 PreInvPairs, 235 NumberOfFragments, 602 HoareAnnotationTreeSize, 171 FomulaSimplifications, 71391 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20632 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 7134 NumberOfCodeBlocks, 7134 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 7120 ConstructedInterpolants, 0 QuantifiedInterpolants, 11497809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 13401/14345 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...