/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 01:29:54,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 01:29:54,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 01:29:54,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 01:29:54,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 01:29:54,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 01:29:54,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 01:29:54,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 01:29:54,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 01:29:54,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 01:29:54,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 01:29:54,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 01:29:54,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 01:29:54,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 01:29:54,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 01:29:54,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 01:29:54,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 01:29:54,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 01:29:54,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 01:29:54,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 01:29:55,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 01:29:55,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 01:29:55,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 01:29:55,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 01:29:55,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 01:29:55,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 01:29:55,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 01:29:55,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 01:29:55,031 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 [2020-08-22 01:29:55,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 01:29:55,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 01:29:55,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 01:29:55,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 01:29:55,085 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 01:29:55,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 01:29:55,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 01:29:55,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 01:29:55,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 01:29:55,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 01:29:55,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 01:29:55,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 01:29:55,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 01:29:55,089 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 01:29:55,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 01:29:55,089 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 01:29:55,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 01:29:55,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 01:29:55,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 01:29:55,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 01:29:55,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 01:29:55,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:29:55,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 01:29:55,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 01:29:55,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 01:29:55,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 01:29:55,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 01:29:55,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 01:29:55,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 01:29:55,093 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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-08-22 01:29:55,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 01:29:55,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 01:29:55,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 01:29:55,403 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 01:29:55,404 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 01:29:55,405 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-22 01:29:55,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41871beb7/81597cc14df445678c4a663fada1eb2b/FLAG290e63f3c [2020-08-22 01:29:56,051 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 01:29:56,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-22 01:29:56,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41871beb7/81597cc14df445678c4a663fada1eb2b/FLAG290e63f3c [2020-08-22 01:29:56,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41871beb7/81597cc14df445678c4a663fada1eb2b [2020-08-22 01:29:56,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 01:29:56,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 01:29:56,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 01:29:56,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 01:29:56,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 01:29:56,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:29:56" (1/1) ... [2020-08-22 01:29:56,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ad355a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:56, skipping insertion in model container [2020-08-22 01:29:56,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:29:56" (1/1) ... [2020-08-22 01:29:56,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 01:29:56,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 01:29:56,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:29:56,931 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 01:29:57,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:29:57,064 INFO L208 MainTranslator]: Completed translation [2020-08-22 01:29:57,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57 WrapperNode [2020-08-22 01:29:57,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 01:29:57,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 01:29:57,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 01:29:57,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 01:29:57,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (1/1) ... [2020-08-22 01:29:57,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (1/1) ... [2020-08-22 01:29:57,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (1/1) ... [2020-08-22 01:29:57,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (1/1) ... [2020-08-22 01:29:57,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (1/1) ... [2020-08-22 01:29:57,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (1/1) ... [2020-08-22 01:29:57,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (1/1) ... [2020-08-22 01:29:57,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 01:29:57,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 01:29:57,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 01:29:57,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 01:29:57,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (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 [2020-08-22 01:29:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 01:29:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 01:29:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 01:29:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 01:29:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 01:29:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 01:29:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 01:29:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 01:29:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 01:29:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 01:29:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 01:29:58,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 01:29:58,546 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 01:29:58,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:29:58 BoogieIcfgContainer [2020-08-22 01:29:58,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 01:29:58,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 01:29:58,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 01:29:58,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 01:29:58,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 01:29:56" (1/3) ... [2020-08-22 01:29:58,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b16bef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:29:58, skipping insertion in model container [2020-08-22 01:29:58,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:29:57" (2/3) ... [2020-08-22 01:29:58,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b16bef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:29:58, skipping insertion in model container [2020-08-22 01:29:58,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:29:58" (3/3) ... [2020-08-22 01:29:58,572 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-08-22 01:29:58,583 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 01:29:58,595 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 01:29:58,610 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 01:29:58,646 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 01:29:58,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 01:29:58,647 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 01:29:58,648 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 01:29:58,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 01:29:58,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 01:29:58,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 01:29:58,649 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 01:29:58,678 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 01:29:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 01:29:58,695 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:29:58,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:29:58,697 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:29:58,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:29:58,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1515832586, now seen corresponding path program 1 times [2020-08-22 01:29:58,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:29:58,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013072072] [2020-08-22 01:29:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:29:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:29:59,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:29:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:29:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:29:59,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013072072] [2020-08-22 01:29:59,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:29:59,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 01:29:59,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862011739] [2020-08-22 01:29:59,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:29:59,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:29:59,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:29:59,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:29:59,109 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-22 01:30:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:01,422 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-22 01:30:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 01:30:01,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-08-22 01:30:01,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:01,450 INFO L225 Difference]: With dead ends: 730 [2020-08-22 01:30:01,450 INFO L226 Difference]: Without dead ends: 447 [2020-08-22 01:30:01,458 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 [2020-08-22 01:30:01,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-22 01:30:01,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-22 01:30:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-22 01:30:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-22 01:30:01,551 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 47 [2020-08-22 01:30:01,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:01,552 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-22 01:30:01,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:30:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-22 01:30:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-22 01:30:01,559 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:01,560 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:01,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 01:30:01,560 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1601579245, now seen corresponding path program 1 times [2020-08-22 01:30:01,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:01,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353769030] [2020-08-22 01:30:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:01,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:01,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:30:01,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353769030] [2020-08-22 01:30:01,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:30:01,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 01:30:01,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034540507] [2020-08-22 01:30:01,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 01:30:01,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:01,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 01:30:01,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:30:01,871 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-22 01:30:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:03,495 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-22 01:30:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 01:30:03,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-08-22 01:30:03,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:03,503 INFO L225 Difference]: With dead ends: 1041 [2020-08-22 01:30:03,504 INFO L226 Difference]: Without dead ends: 606 [2020-08-22 01:30:03,506 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 [2020-08-22 01:30:03,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-22 01:30:03,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-22 01:30:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-22 01:30:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-22 01:30:03,552 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 120 [2020-08-22 01:30:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:03,552 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-22 01:30:03,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 01:30:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-22 01:30:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-22 01:30:03,556 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:03,557 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:03,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 01:30:03,557 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:03,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:03,558 INFO L82 PathProgramCache]: Analyzing trace with hash -446355495, now seen corresponding path program 1 times [2020-08-22 01:30:03,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:03,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953986178] [2020-08-22 01:30:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:30:03,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953986178] [2020-08-22 01:30:03,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:03,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 01:30:03,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323059416] [2020-08-22 01:30:03,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 01:30:03,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:03,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 01:30:03,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:30:03,830 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-22 01:30:05,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:05,684 INFO L93 Difference]: Finished difference Result 1823 states and 2680 transitions. [2020-08-22 01:30:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 01:30:05,684 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-08-22 01:30:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:05,695 INFO L225 Difference]: With dead ends: 1823 [2020-08-22 01:30:05,695 INFO L226 Difference]: Without dead ends: 1210 [2020-08-22 01:30:05,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-22 01:30:05,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-08-22 01:30:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1035. [2020-08-22 01:30:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-22 01:30:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-22 01:30:05,760 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 126 [2020-08-22 01:30:05,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:05,761 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-22 01:30:05,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 01:30:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-22 01:30:05,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-22 01:30:05,788 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:05,789 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:05,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 01:30:05,789 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:05,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:05,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1926007174, now seen corresponding path program 1 times [2020-08-22 01:30:05,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:05,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018594668] [2020-08-22 01:30:05,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:05,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:05,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:30:05,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018594668] [2020-08-22 01:30:05,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:30:05,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 01:30:05,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838464960] [2020-08-22 01:30:05,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 01:30:05,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:05,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 01:30:05,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:30:05,959 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-22 01:30:07,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:07,570 INFO L93 Difference]: Finished difference Result 2666 states and 3891 transitions. [2020-08-22 01:30:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 01:30:07,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-08-22 01:30:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:07,590 INFO L225 Difference]: With dead ends: 2666 [2020-08-22 01:30:07,591 INFO L226 Difference]: Without dead ends: 1637 [2020-08-22 01:30:07,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-22 01:30:07,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-08-22 01:30:07,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1484. [2020-08-22 01:30:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-08-22 01:30:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2105 transitions. [2020-08-22 01:30:07,669 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2105 transitions. Word has length 137 [2020-08-22 01:30:07,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:07,671 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 2105 transitions. [2020-08-22 01:30:07,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 01:30:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2105 transitions. [2020-08-22 01:30:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-22 01:30:07,677 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:07,677 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:07,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 01:30:07,678 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:07,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:07,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1514289222, now seen corresponding path program 1 times [2020-08-22 01:30:07,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:07,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277529503] [2020-08-22 01:30:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:07,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:07,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:30:07,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277529503] [2020-08-22 01:30:07,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:30:07,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 01:30:07,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719695928] [2020-08-22 01:30:07,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 01:30:07,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:07,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 01:30:07,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:30:07,960 INFO L87 Difference]: Start difference. First operand 1484 states and 2105 transitions. Second operand 8 states. [2020-08-22 01:30:10,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:10,282 INFO L93 Difference]: Finished difference Result 4289 states and 6334 transitions. [2020-08-22 01:30:10,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 01:30:10,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-22 01:30:10,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:10,303 INFO L225 Difference]: With dead ends: 4289 [2020-08-22 01:30:10,304 INFO L226 Difference]: Without dead ends: 2954 [2020-08-22 01:30:10,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-22 01:30:10,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2020-08-22 01:30:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2513. [2020-08-22 01:30:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2020-08-22 01:30:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3479 transitions. [2020-08-22 01:30:10,404 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3479 transitions. Word has length 159 [2020-08-22 01:30:10,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:10,405 INFO L479 AbstractCegarLoop]: Abstraction has 2513 states and 3479 transitions. [2020-08-22 01:30:10,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 01:30:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3479 transitions. [2020-08-22 01:30:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-22 01:30:10,410 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:10,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 01:30:10,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 01:30:10,412 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:10,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:10,412 INFO L82 PathProgramCache]: Analyzing trace with hash 983089597, now seen corresponding path program 1 times [2020-08-22 01:30:10,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:10,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155633818] [2020-08-22 01:30:10,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:10,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:10,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:10,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 01:30:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 144 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 01:30:10,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155633818] [2020-08-22 01:30:10,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:10,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 01:30:10,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897651385] [2020-08-22 01:30:10,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 01:30:10,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:10,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 01:30:10,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 01:30:10,736 INFO L87 Difference]: Start difference. First operand 2513 states and 3479 transitions. Second operand 10 states. [2020-08-22 01:30:14,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:14,566 INFO L93 Difference]: Finished difference Result 5904 states and 8205 transitions. [2020-08-22 01:30:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 01:30:14,567 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-08-22 01:30:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:14,586 INFO L225 Difference]: With dead ends: 5904 [2020-08-22 01:30:14,586 INFO L226 Difference]: Without dead ends: 3397 [2020-08-22 01:30:14,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-22 01:30:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-08-22 01:30:14,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3103. [2020-08-22 01:30:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-08-22 01:30:14,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3985 transitions. [2020-08-22 01:30:14,695 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3985 transitions. Word has length 196 [2020-08-22 01:30:14,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:14,696 INFO L479 AbstractCegarLoop]: Abstraction has 3103 states and 3985 transitions. [2020-08-22 01:30:14,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 01:30:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3985 transitions. [2020-08-22 01:30:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-08-22 01:30:14,702 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:14,702 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 01:30:14,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 01:30:14,702 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:14,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:14,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236310, now seen corresponding path program 1 times [2020-08-22 01:30:14,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:14,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687036301] [2020-08-22 01:30:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:14,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:14,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:14,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 01:30:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 80 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 01:30:15,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687036301] [2020-08-22 01:30:15,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:15,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 01:30:15,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586730859] [2020-08-22 01:30:15,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 01:30:15,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:15,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 01:30:15,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:30:15,070 INFO L87 Difference]: Start difference. First operand 3103 states and 3985 transitions. Second operand 7 states. [2020-08-22 01:30:16,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:16,799 INFO L93 Difference]: Finished difference Result 6359 states and 8212 transitions. [2020-08-22 01:30:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 01:30:16,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-08-22 01:30:16,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:16,821 INFO L225 Difference]: With dead ends: 6359 [2020-08-22 01:30:16,821 INFO L226 Difference]: Without dead ends: 3262 [2020-08-22 01:30:16,829 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 [2020-08-22 01:30:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2020-08-22 01:30:16,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3248. [2020-08-22 01:30:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-08-22 01:30:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4140 transitions. [2020-08-22 01:30:16,919 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4140 transitions. Word has length 233 [2020-08-22 01:30:16,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:16,919 INFO L479 AbstractCegarLoop]: Abstraction has 3248 states and 4140 transitions. [2020-08-22 01:30:16,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 01:30:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4140 transitions. [2020-08-22 01:30:16,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-08-22 01:30:16,926 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:16,926 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 01:30:16,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 01:30:16,926 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash 363105573, now seen corresponding path program 1 times [2020-08-22 01:30:16,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:16,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415084694] [2020-08-22 01:30:16,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:17,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:17,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:17,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 01:30:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 01:30:17,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415084694] [2020-08-22 01:30:17,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:17,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 01:30:17,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593826664] [2020-08-22 01:30:17,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 01:30:17,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:17,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 01:30:17,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:30:17,181 INFO L87 Difference]: Start difference. First operand 3248 states and 4140 transitions. Second operand 7 states. [2020-08-22 01:30:20,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:20,842 INFO L93 Difference]: Finished difference Result 6355 states and 8180 transitions. [2020-08-22 01:30:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 01:30:20,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-08-22 01:30:20,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:20,860 INFO L225 Difference]: With dead ends: 6355 [2020-08-22 01:30:20,861 INFO L226 Difference]: Without dead ends: 3256 [2020-08-22 01:30:20,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 01:30:20,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3256 states. [2020-08-22 01:30:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3256 to 2817. [2020-08-22 01:30:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2817 states. [2020-08-22 01:30:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3388 transitions. [2020-08-22 01:30:20,963 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3388 transitions. Word has length 252 [2020-08-22 01:30:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:20,963 INFO L479 AbstractCegarLoop]: Abstraction has 2817 states and 3388 transitions. [2020-08-22 01:30:20,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 01:30:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3388 transitions. [2020-08-22 01:30:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-08-22 01:30:20,969 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:20,970 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 01:30:20,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 01:30:20,970 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:20,971 INFO L82 PathProgramCache]: Analyzing trace with hash -2035949762, now seen corresponding path program 1 times [2020-08-22 01:30:20,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:20,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155623078] [2020-08-22 01:30:20,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:21,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:21,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:21,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 01:30:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 01:30:21,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155623078] [2020-08-22 01:30:21,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:21,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 01:30:21,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936893405] [2020-08-22 01:30:21,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 01:30:21,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:21,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 01:30:21,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:30:21,351 INFO L87 Difference]: Start difference. First operand 2817 states and 3388 transitions. Second operand 7 states. [2020-08-22 01:30:22,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:22,897 INFO L93 Difference]: Finished difference Result 5495 states and 6650 transitions. [2020-08-22 01:30:22,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 01:30:22,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-08-22 01:30:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:22,909 INFO L225 Difference]: With dead ends: 5495 [2020-08-22 01:30:22,910 INFO L226 Difference]: Without dead ends: 2827 [2020-08-22 01:30:22,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 01:30:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2020-08-22 01:30:22,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2235. [2020-08-22 01:30:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-22 01:30:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-22 01:30:22,974 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 259 [2020-08-22 01:30:22,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:22,975 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-22 01:30:22,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 01:30:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-22 01:30:22,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-08-22 01:30:22,983 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:22,984 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 01:30:22,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 01:30:22,984 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:22,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1698020394, now seen corresponding path program 1 times [2020-08-22 01:30:22,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:22,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870335676] [2020-08-22 01:30:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:23,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:23,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 01:30:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-22 01:30:23,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870335676] [2020-08-22 01:30:23,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:23,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 01:30:23,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023912888] [2020-08-22 01:30:23,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:30:23,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:23,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:30:23,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:30:23,362 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-22 01:30:24,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:24,527 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-22 01:30:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 01:30:24,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2020-08-22 01:30:24,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:24,529 INFO L225 Difference]: With dead ends: 4762 [2020-08-22 01:30:24,529 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 01:30:24,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 01:30:24,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 01:30:24,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 01:30:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 01:30:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 01:30:24,537 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2020-08-22 01:30:24,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:24,537 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 01:30:24,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:30:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 01:30:24,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 01:30:24,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 01:30:24,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 01:30:24,896 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-08-22 01:30:25,021 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-08-22 01:30:25,900 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2020-08-22 01:30:26,614 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-22 01:30:27,320 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-22 01:30:27,324 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:30:27,324 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)|)) [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 01:30:27,325 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 01:30:27,326 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 01:30:27,327 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 01:30:27,327 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,327 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,327 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,327 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,328 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,328 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 01:30:27,328 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 01:30:27,328 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 01:30:27,328 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 01:30:27,328 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 01:30:27,329 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 01:30:27,330 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 01:30:27,331 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 01:30:27,331 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 01:30:27,331 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 01:30:27,331 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 01:30:27,331 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 01:30:27,331 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 01:30:27,332 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,332 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,332 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,334 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,334 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,334 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 01:30:27,334 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 01:30:27,335 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,336 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,336 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,336 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,336 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,336 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 01:30:27,336 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,337 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 01:30:27,338 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 01:30:27,339 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 01:30:27,340 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,341 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,342 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 01:30:27,342 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 01:30:27,342 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 01:30:27,343 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,344 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 01:30:27,345 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 01:30:27,346 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= 9 |old(~a19~0)|))) (.cse4 (not (= |old(~a10~0)| 1))) (.cse5 (not (<= 23 |old(~a1~0)|))) (.cse1 (not (<= |old(~a10~0)| 0))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse6 (not (= 14 ~a4~0))) (.cse7 (not (= ~a12~0 0)))) (and (or .cse0 (and (or .cse1 .cse2 (not (<= |old(~a1~0)| 23))) (or .cse2 (not (= 0 |old(~a10~0)|))))) (or .cse0 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse2 .cse4 .cse0) (or .cse0 .cse3 (= 8 |old(~a19~0)|)) (or .cse5 .cse4 .cse0 .cse6 .cse7) (or .cse0 .cse3 (not (= 4 |old(~a10~0)|))) (or .cse5 .cse1 .cse0 .cse3 .cse6 .cse7))) [2020-08-22 01:30:27,346 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 01:30:27,346 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 01:30:27,346 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 01:30:27,346 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,346 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,346 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 01:30:27,347 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 01:30:27,348 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 01:30:27,349 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 01:30:27,350 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,351 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 01:30:27,352 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 01:30:27,352 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 01:30:27,352 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 01:30:27,353 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 01:30:27,354 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:30:27,354 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)) [2020-08-22 01:30:27,354 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 01:30:27,354 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:30:27,354 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))) [2020-08-22 01:30:27,354 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 01:30:27,355 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse4 (= ~a10~0 |old(~a10~0)|)) (.cse7 (= ~a19~0 8)) (.cse0 (<= ~a10~0 0)) (.cse6 (<= 23 ~a1~0)) (.cse3 (<= ~a19~0 9)) (.cse5 (= ~a10~0 1)) (.cse1 (<= 9 ~a19~0)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23) .cse2) (and (= ~a10~0 2) .cse3 .cse2) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse2 .cse4) (and .cse7 .cse5 (<= 331505 ~a1~0)) (and (not .cse7) .cse3 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse3 (= ~a10~0 4) .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse6 .cse3 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse1 .cse2))) [2020-08-22 01:30:27,355 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 01:30:27,355 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 01:30:27,355 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse4 (= ~a10~0 |old(~a10~0)|)) (.cse7 (= ~a19~0 8)) (.cse0 (<= ~a10~0 0)) (.cse6 (<= 23 ~a1~0)) (.cse3 (<= ~a19~0 9)) (.cse5 (= ~a10~0 1)) (.cse1 (<= 9 ~a19~0)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23) .cse2) (and (= ~a10~0 2) .cse3 .cse2) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse2 .cse4) (and .cse7 .cse5 (<= 331505 ~a1~0)) (and (not .cse7) .cse3 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse3 (= ~a10~0 4) .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse6 .cse3 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse1 .cse2))) [2020-08-22 01:30:27,355 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 01:30:27,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 01:30:27 BoogieIcfgContainer [2020-08-22 01:30:27,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 01:30:27,405 INFO L168 Benchmark]: Toolchain (without parser) took 31047.37 ms. Allocated memory was 140.0 MB in the beginning and 528.0 MB in the end (delta: 388.0 MB). Free memory was 101.2 MB in the beginning and 180.6 MB in the end (delta: -79.3 MB). Peak memory consumption was 405.3 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:27,407 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 01:30:27,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.46 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 170.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:27,413 INFO L168 Benchmark]: Boogie Preprocessor took 121.17 ms. Allocated memory is still 205.0 MB. Free memory was 170.8 MB in the beginning and 165.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:27,414 INFO L168 Benchmark]: RCFGBuilder took 1366.58 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 180.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:27,416 INFO L168 Benchmark]: TraceAbstraction took 28844.92 ms. Allocated memory was 238.6 MB in the beginning and 528.0 MB in the end (delta: 289.4 MB). Free memory was 180.9 MB in the beginning and 180.6 MB in the end (delta: 352.3 kB). Peak memory consumption was 386.4 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:27,425 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.46 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 170.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.17 ms. Allocated memory is still 205.0 MB. Free memory was 170.8 MB in the beginning and 165.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1366.58 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 180.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28844.92 ms. Allocated memory was 238.6 MB in the beginning and 528.0 MB in the end (delta: 289.4 MB). Free memory was 180.9 MB in the beginning and 180.6 MB in the end (delta: 352.3 kB). Peak memory consumption was 386.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: ((((((((((((((((((a10 <= 0 && 9 <= a19) && a1 <= 23) && 0 == \old(a10)) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((a10 == 1 && 23 <= a1) && 0 == \old(a10))) || ((9 <= a19 && 0 == \old(a10)) && a10 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((!(a19 == 8) && a19 <= 9) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || ((a19 <= 9 && a10 == 4) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || !(14 == a4)) || !(\old(a19) <= 9)) || ((a10 == 1 && 9 <= a19) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 21.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 5152 SDslu, 495 SDs, 0 SdLazy, 12262 SolverSat, 1463 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3248occurred in iteration=7, 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, 2128 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 141 PreInvPairs, 181 NumberOfFragments, 539 HoareAnnotationTreeSize, 141 FomulaSimplifications, 60461 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7085 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1832 NumberOfCodeBlocks, 1832 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 861908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 882/995 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...