/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=0.1 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 03:38:36,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 03:38:36,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 03:38:36,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 03:38:36,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 03:38:36,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 03:38:36,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 03:38:36,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 03:38:36,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 03:38:36,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 03:38:36,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 03:38:36,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 03:38:36,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 03:38:36,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 03:38:36,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 03:38:36,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 03:38:36,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 03:38:36,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 03:38:36,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 03:38:36,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 03:38:36,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 03:38:36,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 03:38:36,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 03:38:36,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 03:38:36,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 03:38:36,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 03:38:36,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 03:38:36,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 03:38:36,952 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 03:38:36,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 03:38:36,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 03:38:36,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 03:38:36,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 03:38:36,975 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 03:38:36,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 03:38:36,976 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 03:38:36,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 03:38:36,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 03:38:36,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 03:38:36,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 03:38:36,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 03:38:36,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 03:38:36,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 03:38:36,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 03:38:36,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 03:38:36,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 03:38:36,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 03:38:36,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 03:38:36,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 03:38:36,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 03:38:36,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 03:38:36,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 03:38:36,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 03:38:36,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 03:38:36,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 03:38:36,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 03:38:36,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 03:38:36,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 03:38:36,980 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=0.1; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1; [2020-08-19 03:38:37,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 03:38:37,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 03:38:37,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 03:38:37,305 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 03:38:37,306 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 03:38:37,307 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-08-19 03:38:37,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8d3af08f/9d3ce90e6a2a46849f681c47f0efa885/FLAG3c916ed81 [2020-08-19 03:38:37,941 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 03:38:37,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-08-19 03:38:37,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8d3af08f/9d3ce90e6a2a46849f681c47f0efa885/FLAG3c916ed81 [2020-08-19 03:38:38,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8d3af08f/9d3ce90e6a2a46849f681c47f0efa885 [2020-08-19 03:38:38,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 03:38:38,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 03:38:38,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 03:38:38,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 03:38:38,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 03:38:38,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:38,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788ef5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38, skipping insertion in model container [2020-08-19 03:38:38,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:38,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 03:38:38,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 03:38:38,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 03:38:38,729 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 03:38:38,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 03:38:38,978 INFO L208 MainTranslator]: Completed translation [2020-08-19 03:38:38,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38 WrapperNode [2020-08-19 03:38:38,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 03:38:38,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 03:38:38,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 03:38:38,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 03:38:39,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:39,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:39,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:39,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:39,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:39,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:39,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (1/1) ... [2020-08-19 03:38:39,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 03:38:39,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 03:38:39,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 03:38:39,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 03:38:39,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (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 03:38:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 03:38:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 03:38:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 03:38:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 03:38:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 03:38:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 03:38:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 03:38:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 03:38:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 03:38:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 03:38:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 03:38:40,528 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 03:38:40,528 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 03:38:40,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 03:38:40 BoogieIcfgContainer [2020-08-19 03:38:40,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 03:38:40,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 03:38:40,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 03:38:40,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 03:38:40,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 03:38:38" (1/3) ... [2020-08-19 03:38:40,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269f26da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 03:38:40, skipping insertion in model container [2020-08-19 03:38:40,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 03:38:38" (2/3) ... [2020-08-19 03:38:40,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269f26da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 03:38:40, skipping insertion in model container [2020-08-19 03:38:40,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 03:38:40" (3/3) ... [2020-08-19 03:38:40,559 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-08-19 03:38:40,572 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 03:38:40,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 03:38:40,601 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 03:38:40,637 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 03:38:40,637 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 03:38:40,637 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 03:38:40,637 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 03:38:40,637 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 03:38:40,638 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 03:38:40,638 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 03:38:40,638 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 03:38:40,666 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-19 03:38:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-19 03:38:40,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:38:40,682 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] [2020-08-19 03:38:40,682 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:38:40,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:38:40,690 INFO L82 PathProgramCache]: Analyzing trace with hash 92787543, now seen corresponding path program 1 times [2020-08-19 03:38:40,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:38:40,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271856553] [2020-08-19 03:38:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:38:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:38:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:41,014 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 03:38:41,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271856553] [2020-08-19 03:38:41,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 03:38:41,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 03:38:41,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810219153] [2020-08-19 03:38:41,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 03:38:41,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:38:41,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 03:38:41,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 03:38:41,041 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-19 03:38:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:38:43,259 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-19 03:38:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 03:38:43,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-08-19 03:38:43,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:38:43,297 INFO L225 Difference]: With dead ends: 730 [2020-08-19 03:38:43,297 INFO L226 Difference]: Without dead ends: 447 [2020-08-19 03:38:43,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 03:38:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-19 03:38:43,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-19 03:38:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-19 03:38:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-19 03:38:43,399 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 34 [2020-08-19 03:38:43,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:38:43,400 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-19 03:38:43,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 03:38:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-19 03:38:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-08-19 03:38:43,407 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:38:43,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:43,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 03:38:43,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:38:43,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:38:43,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1040118654, now seen corresponding path program 1 times [2020-08-19 03:38:43,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:38:43,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866089437] [2020-08-19 03:38:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:38:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:43,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:38:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:43,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:38:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 03:38:43,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866089437] [2020-08-19 03:38:43,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 03:38:43,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 03:38:43,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455324226] [2020-08-19 03:38:43,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 03:38:43,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:38:43,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 03:38:43,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 03:38:43,719 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-19 03:38:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:38:46,010 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-08-19 03:38:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 03:38:46,011 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-08-19 03:38:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:38:46,020 INFO L225 Difference]: With dead ends: 1490 [2020-08-19 03:38:46,021 INFO L226 Difference]: Without dead ends: 1055 [2020-08-19 03:38:46,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-19 03:38:46,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-08-19 03:38:46,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-08-19 03:38:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-08-19 03:38:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-08-19 03:38:46,090 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 116 [2020-08-19 03:38:46,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:38:46,091 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-08-19 03:38:46,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 03:38:46,091 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-08-19 03:38:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-19 03:38:46,096 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:38:46,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:46,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 03:38:46,097 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:38:46,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:38:46,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1418096050, now seen corresponding path program 1 times [2020-08-19 03:38:46,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:38:46,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729701290] [2020-08-19 03:38:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:38:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:46,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:38:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:38:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 03:38:46,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729701290] [2020-08-19 03:38:46,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 03:38:46,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 03:38:46,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977853019] [2020-08-19 03:38:46,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 03:38:46,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:38:46,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 03:38:46,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 03:38:46,468 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-08-19 03:38:48,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:38:48,080 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-08-19 03:38:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 03:38:48,082 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-08-19 03:38:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:38:48,091 INFO L225 Difference]: With dead ends: 1822 [2020-08-19 03:38:48,091 INFO L226 Difference]: Without dead ends: 1083 [2020-08-19 03:38:48,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-19 03:38:48,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-08-19 03:38:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-08-19 03:38:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-08-19 03:38:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-08-19 03:38:48,139 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 156 [2020-08-19 03:38:48,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:38:48,140 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-08-19 03:38:48,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 03:38:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-08-19 03:38:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-19 03:38:48,147 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:38:48,148 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 03:38:48,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 03:38:48,148 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:38:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:38:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash 776423077, now seen corresponding path program 1 times [2020-08-19 03:38:48,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:38:48,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254038726] [2020-08-19 03:38:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:38:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:48,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:38:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:48,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:38:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:48,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 03:38:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 03:38:48,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254038726] [2020-08-19 03:38:48,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:38:48,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 03:38:48,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157954983] [2020-08-19 03:38:48,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 03:38:48,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:38:48,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 03:38:48,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 03:38:48,617 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-08-19 03:38:50,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:38:50,207 INFO L93 Difference]: Finished difference Result 2563 states and 3412 transitions. [2020-08-19 03:38:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 03:38:50,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-08-19 03:38:50,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:38:50,220 INFO L225 Difference]: With dead ends: 2563 [2020-08-19 03:38:50,220 INFO L226 Difference]: Without dead ends: 1514 [2020-08-19 03:38:50,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-19 03:38:50,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-08-19 03:38:50,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1206. [2020-08-19 03:38:50,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-19 03:38:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1556 transitions. [2020-08-19 03:38:50,302 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1556 transitions. Word has length 202 [2020-08-19 03:38:50,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:38:50,305 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1556 transitions. [2020-08-19 03:38:50,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 03:38:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1556 transitions. [2020-08-19 03:38:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-08-19 03:38:50,315 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:38:50,316 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 03:38:50,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 03:38:50,317 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:38:50,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:38:50,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1499058288, now seen corresponding path program 1 times [2020-08-19 03:38:50,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:38:50,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641757182] [2020-08-19 03:38:50,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:38:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:38:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:50,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:38:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:50,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-19 03:38:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 54 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-19 03:38:50,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641757182] [2020-08-19 03:38:50,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:38:50,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 03:38:50,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947052191] [2020-08-19 03:38:50,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 03:38:50,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:38:50,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 03:38:50,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 03:38:50,707 INFO L87 Difference]: Start difference. First operand 1206 states and 1556 transitions. Second operand 7 states. [2020-08-19 03:38:52,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:38:52,156 INFO L93 Difference]: Finished difference Result 2587 states and 3335 transitions. [2020-08-19 03:38:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 03:38:52,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-08-19 03:38:52,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:38:52,167 INFO L225 Difference]: With dead ends: 2587 [2020-08-19 03:38:52,168 INFO L226 Difference]: Without dead ends: 1387 [2020-08-19 03:38:52,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-19 03:38:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-08-19 03:38:52,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1206. [2020-08-19 03:38:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-19 03:38:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1507 transitions. [2020-08-19 03:38:52,232 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1507 transitions. Word has length 203 [2020-08-19 03:38:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:38:52,232 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1507 transitions. [2020-08-19 03:38:52,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 03:38:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1507 transitions. [2020-08-19 03:38:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-08-19 03:38:52,243 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:38:52,244 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:38:52,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 03:38:52,246 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:38:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:38:52,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1638201038, now seen corresponding path program 1 times [2020-08-19 03:38:52,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:38:52,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160112370] [2020-08-19 03:38:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:38:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:52,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:38:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:52,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:38:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:52,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-19 03:38:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:52,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-19 03:38:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 89 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 03:38:52,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160112370] [2020-08-19 03:38:52,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:38:52,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 03:38:52,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876904129] [2020-08-19 03:38:52,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 03:38:52,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:38:52,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 03:38:52,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 03:38:52,845 INFO L87 Difference]: Start difference. First operand 1206 states and 1507 transitions. Second operand 10 states. [2020-08-19 03:38:56,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:38:56,549 INFO L93 Difference]: Finished difference Result 4332 states and 5677 transitions. [2020-08-19 03:38:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-19 03:38:56,550 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2020-08-19 03:38:56,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:38:56,573 INFO L225 Difference]: With dead ends: 4332 [2020-08-19 03:38:56,573 INFO L226 Difference]: Without dead ends: 3248 [2020-08-19 03:38:56,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-08-19 03:38:56,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2020-08-19 03:38:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 2231. [2020-08-19 03:38:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-08-19 03:38:56,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2937 transitions. [2020-08-19 03:38:56,674 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2937 transitions. Word has length 282 [2020-08-19 03:38:56,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:38:56,675 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2937 transitions. [2020-08-19 03:38:56,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 03:38:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2937 transitions. [2020-08-19 03:38:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-08-19 03:38:56,684 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:38:56,685 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:56,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 03:38:56,685 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:38:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:38:56,686 INFO L82 PathProgramCache]: Analyzing trace with hash 606694202, now seen corresponding path program 1 times [2020-08-19 03:38:56,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:38:56,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21662432] [2020-08-19 03:38:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:38:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:38:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:38:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:57,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-19 03:38:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:57,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-08-19 03:38:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:38:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 167 proven. 158 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 03:38:57,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21662432] [2020-08-19 03:38:57,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:38:57,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 03:38:57,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294567934] [2020-08-19 03:38:57,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 03:38:57,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:38:57,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 03:38:57,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-19 03:38:57,340 INFO L87 Difference]: Start difference. First operand 2231 states and 2937 transitions. Second operand 11 states. [2020-08-19 03:38:57,967 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-08-19 03:39:01,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:39:01,093 INFO L93 Difference]: Finished difference Result 4488 states and 5998 transitions. [2020-08-19 03:39:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 03:39:01,094 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 318 [2020-08-19 03:39:01,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:39:01,105 INFO L225 Difference]: With dead ends: 4488 [2020-08-19 03:39:01,106 INFO L226 Difference]: Without dead ends: 2406 [2020-08-19 03:39:01,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-08-19 03:39:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2020-08-19 03:39:01,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2235. [2020-08-19 03:39:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-19 03:39:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2881 transitions. [2020-08-19 03:39:01,188 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2881 transitions. Word has length 318 [2020-08-19 03:39:01,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:39:01,189 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2881 transitions. [2020-08-19 03:39:01,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 03:39:01,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2881 transitions. [2020-08-19 03:39:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-08-19 03:39:01,201 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:39:01,202 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:01,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 03:39:01,202 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:39:01,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:39:01,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1438676915, now seen corresponding path program 1 times [2020-08-19 03:39:01,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:39:01,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893994944] [2020-08-19 03:39:01,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:39:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:01,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:39:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:39:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:01,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-19 03:39:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:01,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-19 03:39:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 244 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-08-19 03:39:01,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893994944] [2020-08-19 03:39:01,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:39:01,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 03:39:01,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514126881] [2020-08-19 03:39:01,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 03:39:01,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:39:01,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 03:39:01,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 03:39:01,602 INFO L87 Difference]: Start difference. First operand 2235 states and 2881 transitions. Second operand 7 states. [2020-08-19 03:39:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:39:03,295 INFO L93 Difference]: Finished difference Result 5209 states and 6852 transitions. [2020-08-19 03:39:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 03:39:03,296 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-08-19 03:39:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:39:03,311 INFO L225 Difference]: With dead ends: 5209 [2020-08-19 03:39:03,312 INFO L226 Difference]: Without dead ends: 3123 [2020-08-19 03:39:03,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-19 03:39:03,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2020-08-19 03:39:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2962. [2020-08-19 03:39:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2962 states. [2020-08-19 03:39:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3768 transitions. [2020-08-19 03:39:03,400 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3768 transitions. Word has length 337 [2020-08-19 03:39:03,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:39:03,401 INFO L479 AbstractCegarLoop]: Abstraction has 2962 states and 3768 transitions. [2020-08-19 03:39:03,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 03:39:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3768 transitions. [2020-08-19 03:39:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-19 03:39:03,413 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:39:03,414 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:03,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 03:39:03,414 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:39:03,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:39:03,415 INFO L82 PathProgramCache]: Analyzing trace with hash 452449707, now seen corresponding path program 1 times [2020-08-19 03:39:03,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:39:03,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214147633] [2020-08-19 03:39:03,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:39:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:03,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:39:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:03,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:39:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:03,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-19 03:39:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:03,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-19 03:39:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 170 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-08-19 03:39:03,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214147633] [2020-08-19 03:39:03,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:39:03,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 03:39:03,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417049535] [2020-08-19 03:39:03,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 03:39:03,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:39:03,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 03:39:03,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-19 03:39:03,983 INFO L87 Difference]: Start difference. First operand 2962 states and 3768 transitions. Second operand 9 states. [2020-08-19 03:39:04,541 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-08-19 03:39:07,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:39:07,038 INFO L93 Difference]: Finished difference Result 6369 states and 8193 transitions. [2020-08-19 03:39:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 03:39:07,038 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-19 03:39:07,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:39:07,052 INFO L225 Difference]: With dead ends: 6369 [2020-08-19 03:39:07,053 INFO L226 Difference]: Without dead ends: 3556 [2020-08-19 03:39:07,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-08-19 03:39:07,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-08-19 03:39:07,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3407. [2020-08-19 03:39:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-08-19 03:39:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4305 transitions. [2020-08-19 03:39:07,146 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4305 transitions. Word has length 341 [2020-08-19 03:39:07,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:39:07,146 INFO L479 AbstractCegarLoop]: Abstraction has 3407 states and 4305 transitions. [2020-08-19 03:39:07,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 03:39:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4305 transitions. [2020-08-19 03:39:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-08-19 03:39:07,157 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 03:39:07,158 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 03:39:07,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 03:39:07,158 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 03:39:07,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 03:39:07,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1521404487, now seen corresponding path program 1 times [2020-08-19 03:39:07,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 03:39:07,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914529396] [2020-08-19 03:39:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 03:39:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 03:39:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 03:39:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:07,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-19 03:39:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:07,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-19 03:39:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 03:39:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 258 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-08-19 03:39:07,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914529396] [2020-08-19 03:39:07,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 03:39:07,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 03:39:07,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533483263] [2020-08-19 03:39:07,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 03:39:07,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 03:39:07,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 03:39:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-19 03:39:07,680 INFO L87 Difference]: Start difference. First operand 3407 states and 4305 transitions. Second operand 11 states. [2020-08-19 03:39:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 03:39:13,683 INFO L93 Difference]: Finished difference Result 7253 states and 9195 transitions. [2020-08-19 03:39:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-19 03:39:13,684 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 343 [2020-08-19 03:39:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 03:39:13,685 INFO L225 Difference]: With dead ends: 7253 [2020-08-19 03:39:13,685 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 03:39:13,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2020-08-19 03:39:13,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 03:39:13,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 03:39:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 03:39:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 03:39:13,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-08-19 03:39:13,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 03:39:13,705 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 03:39:13,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 03:39:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 03:39:13,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 03:39:13,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 03:39:13,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 03:39:14,261 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-19 03:39:14,402 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-19 03:39:15,427 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 41 [2020-08-19 03:39:16,091 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-19 03:39:16,742 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-19 03:39:16,746 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 03:39:16,747 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-19 03:39:16,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 03:39:16,747 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-19 03:39:16,747 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,748 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,748 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,748 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,748 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,748 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,748 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-19 03:39:16,748 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-19 03:39:16,749 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-19 03:39:16,749 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-19 03:39:16,749 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-19 03:39:16,749 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-19 03:39:16,749 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-19 03:39:16,749 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-19 03:39:16,749 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-19 03:39:16,750 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-19 03:39:16,750 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-19 03:39:16,750 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,750 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,750 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,750 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-19 03:39:16,751 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-19 03:39:16,752 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-19 03:39:16,752 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-19 03:39:16,752 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-19 03:39:16,752 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-19 03:39:16,752 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-19 03:39:16,752 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-19 03:39:16,752 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-08-19 03:39:16,753 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-19 03:39:16,753 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,753 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,753 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,753 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,753 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,753 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-19 03:39:16,754 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-19 03:39:16,755 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-19 03:39:16,756 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,757 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-19 03:39:16,758 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,759 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-19 03:39:16,760 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,761 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-19 03:39:16,762 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,763 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-19 03:39:16,764 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-19 03:39:16,765 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-19 03:39:16,765 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-19 03:39:16,765 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-19 03:39:16,765 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-19 03:39:16,765 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-19 03:39:16,765 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-19 03:39:16,765 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-19 03:39:16,766 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a19~0)| 9))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (not (= 2 |old(~a10~0)|)) .cse4) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse1 .cse3 .cse4) (or .cse1 (not (= |old(~a10~0)| 1)) .cse3 .cse4))) [2020-08-19 03:39:16,766 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-19 03:39:16,766 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-19 03:39:16,766 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-19 03:39:16,766 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,766 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,766 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-19 03:39:16,767 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-19 03:39:16,768 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-19 03:39:16,769 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-19 03:39:16,770 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-19 03:39:16,771 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-19 03:39:16,772 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-19 03:39:16,773 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-19 03:39:16,773 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 03:39:16,773 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-19 03:39:16,773 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 03:39:16,773 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 03:39:16,773 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-19 03:39:16,774 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-19 03:39:16,774 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-19 03:39:16,774 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-19 03:39:16,774 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-19 03:39:16,774 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-19 03:39:16,775 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-19 03:39:16,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 03:39:16 BoogieIcfgContainer [2020-08-19 03:39:16,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 03:39:16,799 INFO L168 Benchmark]: Toolchain (without parser) took 38550.18 ms. Allocated memory was 138.4 MB in the beginning and 607.1 MB in the end (delta: 468.7 MB). Free memory was 100.1 MB in the beginning and 188.5 MB in the end (delta: -88.4 MB). Peak memory consumption was 486.7 MB. Max. memory is 7.1 GB. [2020-08-19 03:39:16,800 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 03:39:16,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.83 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 99.9 MB in the beginning and 170.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-08-19 03:39:16,801 INFO L168 Benchmark]: Boogie Preprocessor took 122.74 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 166.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-19 03:39:16,802 INFO L168 Benchmark]: RCFGBuilder took 1441.87 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.2 MB in the beginning and 182.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-08-19 03:39:16,803 INFO L168 Benchmark]: TraceAbstraction took 36249.95 ms. Allocated memory was 235.4 MB in the beginning and 607.1 MB in the end (delta: 371.7 MB). Free memory was 180.7 MB in the beginning and 188.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 470.2 MB. Max. memory is 7.1 GB. [2020-08-19 03:39:16,806 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.83 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 99.9 MB in the beginning and 170.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.74 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 166.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1441.87 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.2 MB in the beginning and 182.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36249.95 ms. Allocated memory was 235.4 MB in the beginning and 607.1 MB in the end (delta: 371.7 MB). Free memory was 180.7 MB in the beginning and 188.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 470.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && !(7 == a19)) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a10 <= 0 && !(7 == a19)) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.0s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 321 SDtfs, 6801 SDslu, 489 SDs, 0 SdLazy, 14651 SolverSat, 2532 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3407occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2331 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 135 PreInvPairs, 195 NumberOfFragments, 384 HoareAnnotationTreeSize, 135 FomulaSimplifications, 45664 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14335 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1721209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1417/1972 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...