/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=0.5 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 06:50:40,646 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 06:50:40,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 06:50:40,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 06:50:40,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 06:50:40,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 06:50:40,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 06:50:40,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 06:50:40,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 06:50:40,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 06:50:40,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 06:50:40,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 06:50:40,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 06:50:40,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 06:50:40,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 06:50:40,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 06:50:40,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 06:50:40,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 06:50:40,762 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 06:50:40,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 06:50:40,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 06:50:40,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 06:50:40,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 06:50:40,800 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 06:50:40,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 06:50:40,801 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 06:50:40,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 06:50:40,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 06:50:40,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 06:50:40,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 06:50:40,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 06:50:40,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 06:50:40,803 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 06:50:40,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 06:50:40,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 06:50:40,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 06:50:40,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 06:50:40,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 06:50:40,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 06:50:40,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 06:50:40,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 06:50:40,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 06:50:40,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 06:50:40,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 06:50:40,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 06:50:40,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 06:50:40,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 06:50:40,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 06:50:40,806 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=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; [2020-08-19 06:50:41,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 06:50:41,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 06:50:41,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 06:50:41,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 06:50:41,140 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 06:50:41,141 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-19 06:50:41,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/510847488/a79d807f729b46dcad295ad354fbaf9e/FLAG1dbb020f8 [2020-08-19 06:50:41,709 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 06:50:41,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-19 06:50:41,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/510847488/a79d807f729b46dcad295ad354fbaf9e/FLAG1dbb020f8 [2020-08-19 06:50:41,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/510847488/a79d807f729b46dcad295ad354fbaf9e [2020-08-19 06:50:42,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 06:50:42,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 06:50:42,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 06:50:42,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 06:50:42,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 06:50:42,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:50:41" (1/1) ... [2020-08-19 06:50:42,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2939e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42, skipping insertion in model container [2020-08-19 06:50:42,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:50:41" (1/1) ... [2020-08-19 06:50:42,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 06:50:42,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 06:50:42,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:50:42,449 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 06:50:42,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:50:42,661 INFO L208 MainTranslator]: Completed translation [2020-08-19 06:50:42,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42 WrapperNode [2020-08-19 06:50:42,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 06:50:42,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 06:50:42,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 06:50:42,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 06:50:42,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (1/1) ... [2020-08-19 06:50:42,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (1/1) ... [2020-08-19 06:50:42,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (1/1) ... [2020-08-19 06:50:42,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (1/1) ... [2020-08-19 06:50:42,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (1/1) ... [2020-08-19 06:50:42,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (1/1) ... [2020-08-19 06:50:42,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (1/1) ... [2020-08-19 06:50:42,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 06:50:42,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 06:50:42,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 06:50:42,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 06:50:42,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (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 06:50:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 06:50:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 06:50:42,857 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 06:50:42,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 06:50:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 06:50:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 06:50:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 06:50:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 06:50:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 06:50:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 06:50:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 06:50:43,974 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 06:50:43,975 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 06:50:43,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:50:43 BoogieIcfgContainer [2020-08-19 06:50:43,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 06:50:43,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 06:50:43,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 06:50:43,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 06:50:43,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 06:50:41" (1/3) ... [2020-08-19 06:50:43,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d52f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:50:43, skipping insertion in model container [2020-08-19 06:50:43,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:50:42" (2/3) ... [2020-08-19 06:50:43,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d52f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:50:43, skipping insertion in model container [2020-08-19 06:50:43,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:50:43" (3/3) ... [2020-08-19 06:50:43,988 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-08-19 06:50:43,998 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 06:50:44,006 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 06:50:44,019 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 06:50:44,043 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 06:50:44,043 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 06:50:44,043 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 06:50:44,043 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 06:50:44,044 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 06:50:44,044 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 06:50:44,044 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 06:50:44,044 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 06:50:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-19 06:50:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-19 06:50:44,078 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:44,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:50:44,080 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:44,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:44,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1778503114, now seen corresponding path program 1 times [2020-08-19 06:50:44,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:44,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716772580] [2020-08-19 06:50:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:44,710 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 06:50:44,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716772580] [2020-08-19 06:50:44,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:50:44,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 06:50:44,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139482821] [2020-08-19 06:50:44,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:50:44,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:44,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:50:44,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:50:44,743 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-19 06:50:46,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:46,584 INFO L93 Difference]: Finished difference Result 723 states and 1255 transitions. [2020-08-19 06:50:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:50:46,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-08-19 06:50:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:46,604 INFO L225 Difference]: With dead ends: 723 [2020-08-19 06:50:46,604 INFO L226 Difference]: Without dead ends: 423 [2020-08-19 06:50:46,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:50:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-19 06:50:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-19 06:50:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-19 06:50:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 584 transitions. [2020-08-19 06:50:46,696 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 584 transitions. Word has length 122 [2020-08-19 06:50:46,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:46,697 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 584 transitions. [2020-08-19 06:50:46,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:50:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 584 transitions. [2020-08-19 06:50:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-19 06:50:46,703 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:46,703 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:50:46,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 06:50:46,704 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:46,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:46,704 INFO L82 PathProgramCache]: Analyzing trace with hash -259733235, now seen corresponding path program 1 times [2020-08-19 06:50:46,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:46,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852001765] [2020-08-19 06:50:46,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:50:46,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852001765] [2020-08-19 06:50:46,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:50:46,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 06:50:46,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453372823] [2020-08-19 06:50:46,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:50:46,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:46,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:50:46,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:50:46,936 INFO L87 Difference]: Start difference. First operand 417 states and 584 transitions. Second operand 8 states. [2020-08-19 06:50:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:48,261 INFO L93 Difference]: Finished difference Result 1269 states and 1843 transitions. [2020-08-19 06:50:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 06:50:48,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-19 06:50:48,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:48,270 INFO L225 Difference]: With dead ends: 1269 [2020-08-19 06:50:48,270 INFO L226 Difference]: Without dead ends: 858 [2020-08-19 06:50:48,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:50:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-08-19 06:50:48,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 834. [2020-08-19 06:50:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-08-19 06:50:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1168 transitions. [2020-08-19 06:50:48,357 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1168 transitions. Word has length 132 [2020-08-19 06:50:48,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:48,357 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 1168 transitions. [2020-08-19 06:50:48,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:50:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1168 transitions. [2020-08-19 06:50:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-19 06:50:48,364 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:48,365 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:50:48,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 06:50:48,365 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:48,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:48,366 INFO L82 PathProgramCache]: Analyzing trace with hash 2082377679, now seen corresponding path program 1 times [2020-08-19 06:50:48,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:48,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307179879] [2020-08-19 06:50:48,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:48,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:50:48,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307179879] [2020-08-19 06:50:48,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:50:48,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 06:50:48,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681010580] [2020-08-19 06:50:48,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 06:50:48,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:48,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 06:50:48,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 06:50:48,756 INFO L87 Difference]: Start difference. First operand 834 states and 1168 transitions. Second operand 6 states. [2020-08-19 06:50:49,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:49,934 INFO L93 Difference]: Finished difference Result 1769 states and 2519 transitions. [2020-08-19 06:50:49,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:50:49,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2020-08-19 06:50:49,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:49,940 INFO L225 Difference]: With dead ends: 1769 [2020-08-19 06:50:49,940 INFO L226 Difference]: Without dead ends: 840 [2020-08-19 06:50:49,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:50:49,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-08-19 06:50:49,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 832. [2020-08-19 06:50:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-08-19 06:50:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1059 transitions. [2020-08-19 06:50:49,977 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1059 transitions. Word has length 133 [2020-08-19 06:50:49,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:49,978 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1059 transitions. [2020-08-19 06:50:49,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 06:50:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1059 transitions. [2020-08-19 06:50:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-19 06:50:49,982 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:49,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:50:49,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 06:50:49,983 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:49,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:49,983 INFO L82 PathProgramCache]: Analyzing trace with hash 394249543, now seen corresponding path program 1 times [2020-08-19 06:50:49,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:49,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535690918] [2020-08-19 06:50:49,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:50,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:50,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:50:50,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535690918] [2020-08-19 06:50:50,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:50:50,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 06:50:50,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430105813] [2020-08-19 06:50:50,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:50:50,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:50,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:50:50,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:50:50,209 INFO L87 Difference]: Start difference. First operand 832 states and 1059 transitions. Second operand 5 states. [2020-08-19 06:50:51,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:51,038 INFO L93 Difference]: Finished difference Result 2079 states and 2683 transitions. [2020-08-19 06:50:51,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 06:50:51,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-08-19 06:50:51,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:51,051 INFO L225 Difference]: With dead ends: 2079 [2020-08-19 06:50:51,052 INFO L226 Difference]: Without dead ends: 1253 [2020-08-19 06:50:51,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-19 06:50:51,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-08-19 06:50:51,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1243. [2020-08-19 06:50:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-08-19 06:50:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1550 transitions. [2020-08-19 06:50:51,097 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1550 transitions. Word has length 137 [2020-08-19 06:50:51,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:51,098 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1550 transitions. [2020-08-19 06:50:51,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:50:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1550 transitions. [2020-08-19 06:50:51,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-19 06:50:51,103 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:51,104 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:51,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 06:50:51,104 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:51,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:51,105 INFO L82 PathProgramCache]: Analyzing trace with hash 706222219, now seen corresponding path program 1 times [2020-08-19 06:50:51,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:51,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876345332] [2020-08-19 06:50:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:51,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:51,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:51,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-19 06:50:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:51,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 06:50:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-19 06:50:51,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876345332] [2020-08-19 06:50:51,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:50:51,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:50:51,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97258153] [2020-08-19 06:50:51,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:50:51,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:51,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:50:51,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:50:51,339 INFO L87 Difference]: Start difference. First operand 1243 states and 1550 transitions. Second operand 7 states. [2020-08-19 06:50:52,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:52,430 INFO L93 Difference]: Finished difference Result 3360 states and 4273 transitions. [2020-08-19 06:50:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 06:50:52,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-19 06:50:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:52,442 INFO L225 Difference]: With dead ends: 3360 [2020-08-19 06:50:52,443 INFO L226 Difference]: Without dead ends: 2123 [2020-08-19 06:50:52,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 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 06:50:52,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2020-08-19 06:50:52,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1962. [2020-08-19 06:50:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-08-19 06:50:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2370 transitions. [2020-08-19 06:50:52,509 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2370 transitions. Word has length 181 [2020-08-19 06:50:52,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:52,510 INFO L479 AbstractCegarLoop]: Abstraction has 1962 states and 2370 transitions. [2020-08-19 06:50:52,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:50:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2370 transitions. [2020-08-19 06:50:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-19 06:50:52,517 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:52,517 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:52,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 06:50:52,518 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:52,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:52,518 INFO L82 PathProgramCache]: Analyzing trace with hash 853819156, now seen corresponding path program 1 times [2020-08-19 06:50:52,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:52,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14545410] [2020-08-19 06:50:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:52,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-19 06:50:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:52,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 06:50:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:52,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-19 06:50:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 75 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-08-19 06:50:52,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14545410] [2020-08-19 06:50:52,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:50:52,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:50:52,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23304192] [2020-08-19 06:50:52,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:50:52,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:52,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:50:52,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:50:52,711 INFO L87 Difference]: Start difference. First operand 1962 states and 2370 transitions. Second operand 7 states. [2020-08-19 06:50:54,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:54,015 INFO L93 Difference]: Finished difference Result 5487 states and 6885 transitions. [2020-08-19 06:50:54,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 06:50:54,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-08-19 06:50:54,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:54,041 INFO L225 Difference]: With dead ends: 5487 [2020-08-19 06:50:54,041 INFO L226 Difference]: Without dead ends: 3531 [2020-08-19 06:50:54,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 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 06:50:54,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2020-08-19 06:50:54,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3360. [2020-08-19 06:50:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3360 states. [2020-08-19 06:50:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4099 transitions. [2020-08-19 06:50:54,174 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4099 transitions. Word has length 196 [2020-08-19 06:50:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:54,175 INFO L479 AbstractCegarLoop]: Abstraction has 3360 states and 4099 transitions. [2020-08-19 06:50:54,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:50:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4099 transitions. [2020-08-19 06:50:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-19 06:50:54,186 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:54,187 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:54,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 06:50:54,187 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:54,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:54,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1458466897, now seen corresponding path program 1 times [2020-08-19 06:50:54,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:54,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837120776] [2020-08-19 06:50:54,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:54,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:54,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:54,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 06:50:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:54,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-19 06:50:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:54,460 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 80 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-19 06:50:54,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837120776] [2020-08-19 06:50:54,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:50:54,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:50:54,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881530167] [2020-08-19 06:50:54,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:50:54,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:54,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:50:54,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:50:54,463 INFO L87 Difference]: Start difference. First operand 3360 states and 4099 transitions. Second operand 7 states. [2020-08-19 06:50:56,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:56,098 INFO L93 Difference]: Finished difference Result 7002 states and 8519 transitions. [2020-08-19 06:50:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 06:50:56,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-19 06:50:56,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:56,128 INFO L225 Difference]: With dead ends: 7002 [2020-08-19 06:50:56,128 INFO L226 Difference]: Without dead ends: 3648 [2020-08-19 06:50:56,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:50:56,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2020-08-19 06:50:56,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3646. [2020-08-19 06:50:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3646 states. [2020-08-19 06:50:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 4303 transitions. [2020-08-19 06:50:56,300 INFO L78 Accepts]: Start accepts. Automaton has 3646 states and 4303 transitions. Word has length 195 [2020-08-19 06:50:56,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:56,301 INFO L479 AbstractCegarLoop]: Abstraction has 3646 states and 4303 transitions. [2020-08-19 06:50:56,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:50:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3646 states and 4303 transitions. [2020-08-19 06:50:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-08-19 06:50:56,319 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:56,319 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:56,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 06:50:56,320 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:56,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:56,321 INFO L82 PathProgramCache]: Analyzing trace with hash 426210850, now seen corresponding path program 1 times [2020-08-19 06:50:56,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:56,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115358057] [2020-08-19 06:50:56,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:56,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:56,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:56,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-19 06:50:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:56,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 06:50:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:56,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-19 06:50:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 122 proven. 36 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-08-19 06:50:56,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115358057] [2020-08-19 06:50:56,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:50:56,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:50:56,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271581865] [2020-08-19 06:50:56,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:50:56,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:56,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:50:56,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:50:56,677 INFO L87 Difference]: Start difference. First operand 3646 states and 4303 transitions. Second operand 7 states. [2020-08-19 06:50:57,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:50:57,976 INFO L93 Difference]: Finished difference Result 7167 states and 8462 transitions. [2020-08-19 06:50:57,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 06:50:57,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-08-19 06:50:57,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:50:57,993 INFO L225 Difference]: With dead ends: 7167 [2020-08-19 06:50:57,994 INFO L226 Difference]: Without dead ends: 3662 [2020-08-19 06:50:58,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-19 06:50:58,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2020-08-19 06:50:58,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3656. [2020-08-19 06:50:58,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3656 states. [2020-08-19 06:50:58,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 4209 transitions. [2020-08-19 06:50:58,106 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 4209 transitions. Word has length 232 [2020-08-19 06:50:58,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:50:58,106 INFO L479 AbstractCegarLoop]: Abstraction has 3656 states and 4209 transitions. [2020-08-19 06:50:58,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:50:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 4209 transitions. [2020-08-19 06:50:58,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-08-19 06:50:58,124 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:50:58,124 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:58,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 06:50:58,125 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:50:58,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:50:58,126 INFO L82 PathProgramCache]: Analyzing trace with hash 604394622, now seen corresponding path program 1 times [2020-08-19 06:50:58,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:50:58,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283848434] [2020-08-19 06:50:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:50:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:50:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:50:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:58,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 06:50:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 06:50:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:58,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-19 06:50:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:50:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 147 proven. 39 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-08-19 06:50:58,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283848434] [2020-08-19 06:50:58,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:50:58,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 06:50:58,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218365999] [2020-08-19 06:50:58,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 06:50:58,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:50:58,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 06:50:58,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:50:58,407 INFO L87 Difference]: Start difference. First operand 3656 states and 4209 transitions. Second operand 9 states. [2020-08-19 06:51:02,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:02,408 INFO L93 Difference]: Finished difference Result 11217 states and 13877 transitions. [2020-08-19 06:51:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 06:51:02,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-08-19 06:51:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:02,448 INFO L225 Difference]: With dead ends: 11217 [2020-08-19 06:51:02,448 INFO L226 Difference]: Without dead ends: 7702 [2020-08-19 06:51:02,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2020-08-19 06:51:02,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7702 states. [2020-08-19 06:51:02,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7702 to 7406. [2020-08-19 06:51:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7406 states. [2020-08-19 06:51:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7406 states to 7406 states and 9126 transitions. [2020-08-19 06:51:02,671 INFO L78 Accepts]: Start accepts. Automaton has 7406 states and 9126 transitions. Word has length 246 [2020-08-19 06:51:02,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:02,672 INFO L479 AbstractCegarLoop]: Abstraction has 7406 states and 9126 transitions. [2020-08-19 06:51:02,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 06:51:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 7406 states and 9126 transitions. [2020-08-19 06:51:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-08-19 06:51:02,700 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:51:02,701 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:51:02,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 06:51:02,701 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:51:02,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:51:02,702 INFO L82 PathProgramCache]: Analyzing trace with hash -763457286, now seen corresponding path program 1 times [2020-08-19 06:51:02,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:51:02,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091019227] [2020-08-19 06:51:02,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:51:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:02,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:51:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:02,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:51:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:02,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:51:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:02,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:51:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:02,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-19 06:51:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 171 proven. 27 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-08-19 06:51:03,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091019227] [2020-08-19 06:51:03,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:51:03,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 06:51:03,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431279503] [2020-08-19 06:51:03,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 06:51:03,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:51:03,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 06:51:03,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 06:51:03,114 INFO L87 Difference]: Start difference. First operand 7406 states and 9126 transitions. Second operand 10 states. [2020-08-19 06:51:05,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:05,503 INFO L93 Difference]: Finished difference Result 14172 states and 17050 transitions. [2020-08-19 06:51:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 06:51:05,504 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 276 [2020-08-19 06:51:05,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:05,538 INFO L225 Difference]: With dead ends: 14172 [2020-08-19 06:51:05,538 INFO L226 Difference]: Without dead ends: 6907 [2020-08-19 06:51:05,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-08-19 06:51:05,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6907 states. [2020-08-19 06:51:05,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6907 to 6883. [2020-08-19 06:51:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6883 states. [2020-08-19 06:51:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 7945 transitions. [2020-08-19 06:51:05,723 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 7945 transitions. Word has length 276 [2020-08-19 06:51:05,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:05,723 INFO L479 AbstractCegarLoop]: Abstraction has 6883 states and 7945 transitions. [2020-08-19 06:51:05,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 06:51:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 7945 transitions. [2020-08-19 06:51:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-08-19 06:51:05,744 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:51:05,745 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:51:05,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 06:51:05,745 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:51:05,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:51:05,746 INFO L82 PathProgramCache]: Analyzing trace with hash 2075847519, now seen corresponding path program 1 times [2020-08-19 06:51:05,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:51:05,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616892356] [2020-08-19 06:51:05,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:51:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:05,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:51:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:05,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:51:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:05,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:51:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:06,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:51:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:06,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:51:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:06,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:51:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 225 proven. 31 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-08-19 06:51:06,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616892356] [2020-08-19 06:51:06,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:51:06,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 06:51:06,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374612000] [2020-08-19 06:51:06,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 06:51:06,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:51:06,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 06:51:06,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:51:06,165 INFO L87 Difference]: Start difference. First operand 6883 states and 7945 transitions. Second operand 9 states. [2020-08-19 06:51:07,720 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-08-19 06:51:08,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:08,114 INFO L93 Difference]: Finished difference Result 13655 states and 15775 transitions. [2020-08-19 06:51:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 06:51:08,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 289 [2020-08-19 06:51:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:08,134 INFO L225 Difference]: With dead ends: 13655 [2020-08-19 06:51:08,135 INFO L226 Difference]: Without dead ends: 6913 [2020-08-19 06:51:08,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-08-19 06:51:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2020-08-19 06:51:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6885. [2020-08-19 06:51:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6885 states. [2020-08-19 06:51:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6885 states to 6885 states and 7926 transitions. [2020-08-19 06:51:08,280 INFO L78 Accepts]: Start accepts. Automaton has 6885 states and 7926 transitions. Word has length 289 [2020-08-19 06:51:08,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:08,281 INFO L479 AbstractCegarLoop]: Abstraction has 6885 states and 7926 transitions. [2020-08-19 06:51:08,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 06:51:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6885 states and 7926 transitions. [2020-08-19 06:51:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-08-19 06:51:08,301 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:51:08,302 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:51:08,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 06:51:08,302 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:51:08,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:51:08,303 INFO L82 PathProgramCache]: Analyzing trace with hash -394947665, now seen corresponding path program 1 times [2020-08-19 06:51:08,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:51:08,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480908155] [2020-08-19 06:51:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:51:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:51:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:08,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:51:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:51:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:08,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:51:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:08,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:51:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:08,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-08-19 06:51:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-19 06:51:08,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480908155] [2020-08-19 06:51:08,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:51:08,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 06:51:08,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109104491] [2020-08-19 06:51:08,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:51:08,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:51:08,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:51:08,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:51:08,747 INFO L87 Difference]: Start difference. First operand 6885 states and 7926 transitions. Second operand 8 states. [2020-08-19 06:51:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:09,838 INFO L93 Difference]: Finished difference Result 13538 states and 15450 transitions. [2020-08-19 06:51:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 06:51:09,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 308 [2020-08-19 06:51:09,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:09,856 INFO L225 Difference]: With dead ends: 13538 [2020-08-19 06:51:09,856 INFO L226 Difference]: Without dead ends: 6796 [2020-08-19 06:51:09,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:51:09,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6796 states. [2020-08-19 06:51:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6796 to 6053. [2020-08-19 06:51:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6053 states. [2020-08-19 06:51:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6053 states to 6053 states and 6739 transitions. [2020-08-19 06:51:09,983 INFO L78 Accepts]: Start accepts. Automaton has 6053 states and 6739 transitions. Word has length 308 [2020-08-19 06:51:09,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:09,984 INFO L479 AbstractCegarLoop]: Abstraction has 6053 states and 6739 transitions. [2020-08-19 06:51:09,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:51:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 6739 transitions. [2020-08-19 06:51:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-08-19 06:51:10,001 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:51:10,002 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:51:10,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 06:51:10,002 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:51:10,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:51:10,003 INFO L82 PathProgramCache]: Analyzing trace with hash 874817583, now seen corresponding path program 1 times [2020-08-19 06:51:10,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:51:10,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687175201] [2020-08-19 06:51:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:51:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:10,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:51:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:10,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:51:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:51:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:10,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:51:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:51:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:10,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:51:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-08-19 06:51:10,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687175201] [2020-08-19 06:51:10,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:51:10,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 06:51:10,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443915056] [2020-08-19 06:51:10,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:51:10,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:51:10,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:51:10,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:51:10,426 INFO L87 Difference]: Start difference. First operand 6053 states and 6739 transitions. Second operand 5 states. [2020-08-19 06:51:11,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:11,309 INFO L93 Difference]: Finished difference Result 12515 states and 13928 transitions. [2020-08-19 06:51:11,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 06:51:11,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2020-08-19 06:51:11,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:11,324 INFO L225 Difference]: With dead ends: 12515 [2020-08-19 06:51:11,324 INFO L226 Difference]: Without dead ends: 5497 [2020-08-19 06:51:11,338 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 06:51:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5497 states. [2020-08-19 06:51:11,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5497 to 5344. [2020-08-19 06:51:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2020-08-19 06:51:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5826 transitions. [2020-08-19 06:51:11,426 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5826 transitions. Word has length 313 [2020-08-19 06:51:11,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:11,427 INFO L479 AbstractCegarLoop]: Abstraction has 5344 states and 5826 transitions. [2020-08-19 06:51:11,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:51:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5826 transitions. [2020-08-19 06:51:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-08-19 06:51:11,442 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:51:11,442 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:51:11,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 06:51:11,443 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:51:11,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:51:11,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1264462194, now seen corresponding path program 1 times [2020-08-19 06:51:11,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:51:11,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125374155] [2020-08-19 06:51:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:51:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:51:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:51:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:51:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:51:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:51:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:51:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-08-19 06:51:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 184 proven. 21 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-08-19 06:51:11,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125374155] [2020-08-19 06:51:11,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:51:11,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 06:51:11,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118678517] [2020-08-19 06:51:11,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 06:51:11,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:51:11,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 06:51:11,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 06:51:11,873 INFO L87 Difference]: Start difference. First operand 5344 states and 5826 transitions. Second operand 6 states. [2020-08-19 06:51:13,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:13,031 INFO L93 Difference]: Finished difference Result 5904 states and 6477 transitions. [2020-08-19 06:51:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:51:13,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 318 [2020-08-19 06:51:13,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:13,044 INFO L225 Difference]: With dead ends: 5904 [2020-08-19 06:51:13,045 INFO L226 Difference]: Without dead ends: 5902 [2020-08-19 06:51:13,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:51:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5902 states. [2020-08-19 06:51:13,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5902 to 5479. [2020-08-19 06:51:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-08-19 06:51:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 5996 transitions. [2020-08-19 06:51:13,134 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 5996 transitions. Word has length 318 [2020-08-19 06:51:13,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:13,135 INFO L479 AbstractCegarLoop]: Abstraction has 5479 states and 5996 transitions. [2020-08-19 06:51:13,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 06:51:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 5996 transitions. [2020-08-19 06:51:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-08-19 06:51:13,152 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:51:13,152 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:51:13,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 06:51:13,153 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:51:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:51:13,153 INFO L82 PathProgramCache]: Analyzing trace with hash 41074506, now seen corresponding path program 1 times [2020-08-19 06:51:13,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:51:13,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562008536] [2020-08-19 06:51:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:51:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:51:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:51:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:51:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:51:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:51:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:51:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-08-19 06:51:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 357 proven. 25 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-08-19 06:51:13,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562008536] [2020-08-19 06:51:13,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:51:13,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 06:51:13,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51527597] [2020-08-19 06:51:13,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 06:51:13,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:51:13,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 06:51:13,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:51:13,798 INFO L87 Difference]: Start difference. First operand 5479 states and 5996 transitions. Second operand 12 states. [2020-08-19 06:51:14,171 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-08-19 06:51:14,649 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-08-19 06:51:15,886 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2020-08-19 06:51:16,428 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-08-19 06:51:17,152 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-08-19 06:51:17,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:17,675 INFO L93 Difference]: Finished difference Result 10259 states and 11214 transitions. [2020-08-19 06:51:17,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-19 06:51:17,676 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 338 [2020-08-19 06:51:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:17,685 INFO L225 Difference]: With dead ends: 10259 [2020-08-19 06:51:17,685 INFO L226 Difference]: Without dead ends: 4923 [2020-08-19 06:51:17,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2020-08-19 06:51:17,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2020-08-19 06:51:17,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 4905. [2020-08-19 06:51:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4905 states. [2020-08-19 06:51:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 5319 transitions. [2020-08-19 06:51:17,781 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 5319 transitions. Word has length 338 [2020-08-19 06:51:17,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:17,781 INFO L479 AbstractCegarLoop]: Abstraction has 4905 states and 5319 transitions. [2020-08-19 06:51:17,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 06:51:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 5319 transitions. [2020-08-19 06:51:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-08-19 06:51:17,799 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:51:17,800 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:51:17,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 06:51:17,800 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:51:17,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:51:17,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1269018866, now seen corresponding path program 1 times [2020-08-19 06:51:17,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:51:17,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937509566] [2020-08-19 06:51:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:51:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:17,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:51:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:51:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:18,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:51:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:18,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:51:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:18,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:51:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:18,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:51:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:18,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-19 06:51:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:51:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 224 proven. 24 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2020-08-19 06:51:18,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937509566] [2020-08-19 06:51:18,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:51:18,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:51:18,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049602244] [2020-08-19 06:51:18,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:51:18,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:51:18,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:51:18,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:51:18,267 INFO L87 Difference]: Start difference. First operand 4905 states and 5319 transitions. Second operand 7 states. [2020-08-19 06:51:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:51:19,391 INFO L93 Difference]: Finished difference Result 8974 states and 9763 transitions. [2020-08-19 06:51:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:51:19,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 358 [2020-08-19 06:51:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:51:19,393 INFO L225 Difference]: With dead ends: 8974 [2020-08-19 06:51:19,393 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 06:51:19,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:51:19,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 06:51:19,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 06:51:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 06:51:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 06:51:19,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-08-19 06:51:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:51:19,410 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 06:51:19,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:51:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 06:51:19,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 06:51:19,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 06:51:19,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 06:51:20,280 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 215 [2020-08-19 06:51:20,642 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 215 [2020-08-19 06:51:22,814 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2020-08-19 06:51:24,279 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 211 DAG size of output: 87 [2020-08-19 06:51:25,644 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 211 DAG size of output: 87 [2020-08-19 06:51:25,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:51:25,648 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-19 06:51:25,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:51:25,649 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-19 06:51:25,649 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-19 06:51:25,649 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,649 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,650 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,650 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,650 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,650 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,651 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-19 06:51:25,651 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-19 06:51:25,651 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-19 06:51:25,651 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-19 06:51:25,651 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-19 06:51:25,651 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-19 06:51:25,651 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,652 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-19 06:51:25,653 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,654 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-19 06:51:25,655 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-19 06:51:25,656 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-19 06:51:25,657 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-19 06:51:25,658 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,659 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-19 06:51:25,660 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,661 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-19 06:51:25,662 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-19 06:51:25,663 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-19 06:51:25,664 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-19 06:51:25,665 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse13 (= |old(~a20~0)| 1)) (.cse15 (= |old(~a7~0)| 1)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse28 (= ~a8~0 13)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|)) (.cse29 (= ~a16~0 4))) (let ((.cse18 (not (<= 14 |old(~a8~0)|))) (.cse22 (and .cse3 .cse2 .cse4 .cse5 .cse7 .cse29)) (.cse19 (not (<= |old(~a16~0)| 5))) (.cse23 (and .cse3 .cse2 .cse4 .cse5 .cse7 (= 5 ~a16~0))) (.cse24 (not (= 5 |old(~a16~0)|))) (.cse26 (and .cse3 .cse2 .cse4 .cse5 .cse6 .cse28)) (.cse8 (not (<= |old(~a17~0)| 0))) (.cse16 (not (= |old(~a17~0)| 1))) (.cse0 (not (<= |old(~a7~0)| 0))) (.cse17 (not (<= 15 |old(~a8~0)|))) (.cse1 (not (<= 1 |old(~a21~0)|))) (.cse25 (not (= 6 |old(~a16~0)|))) (.cse20 (and .cse3 .cse2 .cse4 .cse5 .cse6 .cse7)) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse12 (not (= |old(~a8~0)| 13))) (.cse27 (not .cse15)) (.cse14 (and .cse3 .cse2 .cse4 .cse5 .cse28 .cse29)) (.cse21 (not .cse13)) (.cse9 (not (= ~a12~0 8))) (.cse11 (not (= 4 |old(~a16~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse1 .cse14 .cse9 .cse11 .cse15) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 (= ~a17~0 1)) .cse16 .cse13 .cse17 .cse1 .cse9 .cse11 .cse15) (or .cse18 .cse19 .cse1 .cse20 .cse8 .cse9 .cse10) (or .cse16 .cse0 .cse19 .cse1 .cse21 .cse22 .cse9 .cse11) (or .cse18 .cse1 .cse23 .cse8 .cse24 .cse9) (or .cse17 .cse1 .cse25 .cse21 .cse20 .cse8 .cse9 .cse15) (or .cse0 .cse17 .cse1 .cse25 .cse8 .cse20 .cse9 .cse10) (or .cse12 .cse16 .cse26 .cse19 .cse27 .cse21 .cse9) (or .cse12 .cse16 .cse0 .cse26 .cse1 .cse25 .cse21 .cse9) (or .cse12 .cse0 .cse1 .cse14 .cse21 .cse9 .cse11) (or .cse16 .cse13 .cse17 .cse1 .cse23 .cse24 .cse9 .cse15) (or .cse0 .cse1 .cse21 .cse8 .cse22 .cse9 .cse11) (or .cse12 .cse16 .cse26 .cse19 .cse9 .cse10) (or .cse16 .cse0 .cse19 .cse17 .cse1 .cse23 .cse21 .cse24 .cse9) (or .cse12 .cse26 .cse27 .cse25 .cse21 .cse8 .cse9) (or .cse16 .cse0 .cse17 .cse1 .cse25 .cse20 .cse9 .cse10) (or .cse12 .cse27 .cse14 .cse21 (= |old(~a21~0)| 1) .cse9 .cse11 (not (= 0 |old(~a17~0)|)))))) [2020-08-19 06:51:25,665 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-19 06:51:25,665 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,665 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,665 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,665 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,665 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-19 06:51:25,665 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-19 06:51:25,666 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-19 06:51:25,667 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-19 06:51:25,668 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 8) (<= ~a7~0 0) (= ~a20~0 1) (<= 1 ~a21~0) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-19 06:51:25,669 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:51:25,669 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= ~a12~0 8))) [2020-08-19 06:51:25,669 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-19 06:51:25,670 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse12 (= ~a7~0 1))) (let ((.cse11 (= 5 ~a16~0)) (.cse6 (= ~a12~0 8)) (.cse0 (= ~a16~0 6)) (.cse7 (<= ~a7~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse14 (<= 14 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse13 (<= ~a16~0 5)) (.cse10 (= ~a17~0 1)) (.cse16 (<= ~a20~0 0)) (.cse8 (= ~a8~0 13)) (.cse9 (= ~a16~0 4)) (.cse4 (<= 1 ~a21~0)) (.cse3 (not .cse12)) (.cse15 (not .cse2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse9 .cse4) (and .cse6 .cse7 .cse2 .cse9 .cse4 .cse10) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a8~0 |old(~a8~0)|) .cse11) (and .cse6 .cse1 .cse7 .cse2 .cse9 .cse4) (and .cse12 .cse13 .cse8 .cse2 .cse10) (and .cse14 .cse1 .cse4 .cse11) (and .cse3 .cse4 .cse11 .cse15 .cse5 .cse10) (and .cse12 .cse0 .cse1 .cse8 .cse2) (not (<= 1 |old(~a21~0)|)) (and .cse12 (= ~a20~0 |old(~a20~0)|) (not (= ~a21~0 1)) .cse8 .cse9 (= ~a17~0 0)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse7 .cse4 .cse10 .cse16 .cse5) (and .cse6 .cse1 .cse7 .cse9 .cse4 .cse16) (not .cse6) (not (<= |old(~a7~0)| 0)) (and .cse9 .cse3 .cse4 .cse15 .cse10 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse8 .cse7 .cse2 .cse4 .cse10) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse7 .cse4 .cse16 .cse5) (and .cse14 .cse13 .cse1 .cse4 .cse16) (and .cse13 .cse8 .cse10 .cse16) (and .cse8 .cse9 .cse4 .cse3 .cse15)))) [2020-08-19 06:51:25,670 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-19 06:51:25,670 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-19 06:51:25,670 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse12 (= ~a7~0 1))) (let ((.cse11 (= 5 ~a16~0)) (.cse6 (= ~a12~0 8)) (.cse0 (= ~a16~0 6)) (.cse7 (<= ~a7~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse14 (<= 14 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse13 (<= ~a16~0 5)) (.cse10 (= ~a17~0 1)) (.cse16 (<= ~a20~0 0)) (.cse8 (= ~a8~0 13)) (.cse9 (= ~a16~0 4)) (.cse4 (<= 1 ~a21~0)) (.cse3 (not .cse12)) (.cse15 (not .cse2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse9 .cse4) (and .cse6 .cse7 .cse2 .cse9 .cse4 .cse10) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a8~0 |old(~a8~0)|) .cse11) (and .cse6 .cse1 .cse7 .cse2 .cse9 .cse4) (and .cse12 .cse13 .cse8 .cse2 .cse10) (and .cse14 .cse1 .cse4 .cse11) (and .cse3 .cse4 .cse11 .cse15 .cse5 .cse10) (and .cse12 .cse0 .cse1 .cse8 .cse2) (not (<= 1 |old(~a21~0)|)) (and .cse12 (= ~a20~0 |old(~a20~0)|) (not (= ~a21~0 1)) .cse8 .cse9 (= ~a17~0 0)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse7 .cse4 .cse10 .cse16 .cse5) (and .cse6 .cse1 .cse7 .cse9 .cse4 .cse16) (not .cse6) (not (<= |old(~a7~0)| 0)) (and .cse9 .cse3 .cse4 .cse15 .cse10 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse8 .cse7 .cse2 .cse4 .cse10) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse7 .cse4 .cse16 .cse5) (and .cse14 .cse13 .cse1 .cse4 .cse16) (and .cse13 .cse8 .cse10 .cse16) (and .cse8 .cse9 .cse4 .cse3 .cse15)))) [2020-08-19 06:51:25,670 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-19 06:51:25,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 06:51:25 BoogieIcfgContainer [2020-08-19 06:51:25,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 06:51:25,705 INFO L168 Benchmark]: Toolchain (without parser) took 43703.58 ms. Allocated memory was 149.9 MB in the beginning and 804.8 MB in the end (delta: 654.8 MB). Free memory was 104.6 MB in the beginning and 360.8 MB in the end (delta: -256.2 MB). Peak memory consumption was 684.2 MB. Max. memory is 7.1 GB. [2020-08-19 06:51:25,706 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-19 06:51:25,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.14 ms. Allocated memory was 149.9 MB in the beginning and 207.6 MB in the end (delta: 57.7 MB). Free memory was 104.3 MB in the beginning and 173.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2020-08-19 06:51:25,707 INFO L168 Benchmark]: Boogie Preprocessor took 120.69 ms. Allocated memory is still 207.6 MB. Free memory was 173.5 MB in the beginning and 168.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-19 06:51:25,707 INFO L168 Benchmark]: RCFGBuilder took 1197.60 ms. Allocated memory was 207.6 MB in the beginning and 234.4 MB in the end (delta: 26.7 MB). Free memory was 168.8 MB in the beginning and 170.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2020-08-19 06:51:25,708 INFO L168 Benchmark]: TraceAbstraction took 41721.73 ms. Allocated memory was 234.4 MB in the beginning and 804.8 MB in the end (delta: 570.4 MB). Free memory was 170.2 MB in the beginning and 360.8 MB in the end (delta: -190.6 MB). Peak memory consumption was 665.4 MB. Max. memory is 7.1 GB. [2020-08-19 06:51:25,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.14 ms. Allocated memory was 149.9 MB in the beginning and 207.6 MB in the end (delta: 57.7 MB). Free memory was 104.3 MB in the beginning and 173.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.69 ms. Allocated memory is still 207.6 MB. Free memory was 173.5 MB in the beginning and 168.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1197.60 ms. Allocated memory was 207.6 MB in the beginning and 234.4 MB in the end (delta: 26.7 MB). Free memory was 168.8 MB in the beginning and 170.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41721.73 ms. Allocated memory was 234.4 MB in the beginning and 804.8 MB in the end (delta: 570.4 MB). Free memory was 170.2 MB in the beginning and 360.8 MB in the end (delta: -190.6 MB). Peak memory consumption was 665.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a16 == 6 && a17 <= 0) && a20 == 1) && !(a7 == 1)) && 1 <= a21) && 15 <= a8) || (((((a12 == 8 && a7 <= 0) && a8 == 13) && a20 == 1) && a16 == 4) && 1 <= a21)) || (((((a12 == 8 && a7 <= 0) && a20 == 1) && a16 == 4) && 1 <= a21) && a17 == 1)) || !(\old(a20) == 1)) || ((((a7 == \old(a7) && a17 == \old(a17)) && a21 == \old(a21)) && a8 == \old(a8)) && 5 == a16)) || (((((a12 == 8 && a17 <= 0) && a7 <= 0) && a20 == 1) && a16 == 4) && 1 <= a21)) || ((((a7 == 1 && a16 <= 5) && a8 == 13) && a20 == 1) && a17 == 1)) || (((14 <= a8 && a17 <= 0) && 1 <= a21) && 5 == a16)) || (((((!(a7 == 1) && 1 <= a21) && 5 == a16) && !(a20 == 1)) && 15 <= a8) && a17 == 1)) || ((((a7 == 1 && a16 == 6) && a17 <= 0) && a8 == 13) && a20 == 1)) || !(1 <= \old(a21))) || (((((a7 == 1 && a20 == \old(a20)) && !(a21 == 1)) && a8 == 13) && a16 == 4) && a17 == 0)) || !(5 == \old(a16))) || (((((a16 == 6 && a7 <= 0) && 1 <= a21) && a17 == 1) && a20 <= 0) && 15 <= a8)) || (((((a12 == 8 && a17 <= 0) && a7 <= 0) && a16 == 4) && 1 <= a21) && a20 <= 0)) || !(a12 == 8)) || !(\old(a7) <= 0)) || (((((a16 == 4 && !(a7 == 1)) && 1 <= a21) && !(a20 == 1)) && a17 == 1) && 15 <= a8)) || !(\old(a17) == 1)) || (((((a16 == 6 && a8 == 13) && a7 <= 0) && a20 == 1) && 1 <= a21) && a17 == 1)) || !(15 <= \old(a8))) || (((((a16 == 6 && a17 <= 0) && a7 <= 0) && 1 <= a21) && a20 <= 0) && 15 <= a8)) || ((((14 <= a8 && a16 <= 5) && a17 <= 0) && 1 <= a21) && a20 <= 0)) || (((a16 <= 5 && a8 == 13) && a17 == 1) && a20 <= 0)) || ((((a8 == 13 && a16 == 4) && 1 <= a21) && !(a7 == 1)) && !(a20 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.3s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 487 SDtfs, 10981 SDslu, 677 SDs, 0 SdLazy, 15843 SolverSat, 2374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 228 SyntacticMatches, 4 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7406occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2073 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 450 PreInvPairs, 528 NumberOfFragments, 1650 HoareAnnotationTreeSize, 450 FomulaSimplifications, 157403 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 33192 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 3774 NumberOfCodeBlocks, 3774 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3758 ConstructedInterpolants, 0 QuantifiedInterpolants, 2788865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 3698/3974 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...