/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=HIGHLEXORDER --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/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 19:01:50,949 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 19:01:50,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 19:01:51,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 19:01:51,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 19:01:51,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 19:01:51,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 19:01:51,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 19:01:51,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 19:01:51,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 19:01:51,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 19:01:51,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 19:01:51,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 19:01:51,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 19:01:51,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 19:01:51,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 19:01:51,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 19:01:51,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 19:01:51,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 19:01:51,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 19:01:51,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 19:01:51,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 19:01:51,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 19:01:51,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 19:01:51,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 19:01:51,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 19:01:51,041 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 [2020-08-21 19:01:51,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 19:01:51,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 19:01:51,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 19:01:51,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 19:01:51,066 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 19:01:51,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 19:01:51,067 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 19:01:51,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 19:01:51,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 19:01:51,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 19:01:51,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 19:01:51,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 19:01:51,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 19:01:51,068 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 19:01:51,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 19:01:51,069 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 19:01:51,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 19:01:51,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 19:01:51,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 19:01:51,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 19:01:51,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 19:01:51,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:01:51,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 19:01:51,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 19:01:51,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 19:01:51,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 19:01:51,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 19:01:51,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 19:01:51,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 19:01:51,072 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=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-08-21 19:01:51,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 19:01:51,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 19:01:51,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 19:01:51,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 19:01:51,439 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 19:01:51,440 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-08-21 19:01:51,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d316904d8/6ca7235e81e4448998febd2f81d59c2d/FLAG53aa8da7f [2020-08-21 19:01:52,045 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 19:01:52,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-08-21 19:01:52,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d316904d8/6ca7235e81e4448998febd2f81d59c2d/FLAG53aa8da7f [2020-08-21 19:01:52,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d316904d8/6ca7235e81e4448998febd2f81d59c2d [2020-08-21 19:01:52,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 19:01:52,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 19:01:52,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 19:01:52,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 19:01:52,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 19:01:52,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:01:52" (1/1) ... [2020-08-21 19:01:52,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:52, skipping insertion in model container [2020-08-21 19:01:52,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:01:52" (1/1) ... [2020-08-21 19:01:52,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 19:01:52,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 19:01:53,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:01:53,149 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 19:01:53,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:01:53,302 INFO L208 MainTranslator]: Completed translation [2020-08-21 19:01:53,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53 WrapperNode [2020-08-21 19:01:53,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 19:01:53,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 19:01:53,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 19:01:53,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 19:01:53,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (1/1) ... [2020-08-21 19:01:53,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (1/1) ... [2020-08-21 19:01:53,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (1/1) ... [2020-08-21 19:01:53,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (1/1) ... [2020-08-21 19:01:53,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (1/1) ... [2020-08-21 19:01:53,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (1/1) ... [2020-08-21 19:01:53,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (1/1) ... [2020-08-21 19:01:53,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 19:01:53,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 19:01:53,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 19:01:53,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 19:01:53,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (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 [2020-08-21 19:01:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 19:01:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 19:01:53,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 19:01:53,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 19:01:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 19:01:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 19:01:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 19:01:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 19:01:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 19:01:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 19:01:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 19:01:55,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 19:01:55,050 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 19:01:55,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:01:55 BoogieIcfgContainer [2020-08-21 19:01:55,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 19:01:55,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 19:01:55,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 19:01:55,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 19:01:55,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:01:52" (1/3) ... [2020-08-21 19:01:55,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb3750b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:01:55, skipping insertion in model container [2020-08-21 19:01:55,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:01:53" (2/3) ... [2020-08-21 19:01:55,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb3750b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:01:55, skipping insertion in model container [2020-08-21 19:01:55,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:01:55" (3/3) ... [2020-08-21 19:01:55,066 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-08-21 19:01:55,077 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 19:01:55,086 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 19:01:55,101 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 19:01:55,129 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 19:01:55,129 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 19:01:55,130 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 19:01:55,130 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 19:01:55,130 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 19:01:55,130 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 19:01:55,130 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 19:01:55,130 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 19:01:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-21 19:01:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 19:01:55,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:55,165 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] [2020-08-21 19:01:55,165 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:55,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:55,172 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-08-21 19:01:55,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:55,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843291303] [2020-08-21 19:01:55,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:01:55,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843291303] [2020-08-21 19:01:55,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:01:55,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 19:01:55,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021625151] [2020-08-21 19:01:55,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:01:55,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:55,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:01:55,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:01:55,642 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-21 19:01:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:01:58,436 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-08-21 19:01:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 19:01:58,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-08-21 19:01:58,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:01:58,486 INFO L225 Difference]: With dead ends: 886 [2020-08-21 19:01:58,486 INFO L226 Difference]: Without dead ends: 564 [2020-08-21 19:01:58,500 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 [2020-08-21 19:01:58,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-21 19:01:58,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-08-21 19:01:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-08-21 19:01:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-08-21 19:01:58,658 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 40 [2020-08-21 19:01:58,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:01:58,659 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-08-21 19:01:58,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:01:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-08-21 19:01:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-08-21 19:01:58,673 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:01:58,674 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:01:58,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 19:01:58,675 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:01:58,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:01:58,675 INFO L82 PathProgramCache]: Analyzing trace with hash 769181710, now seen corresponding path program 1 times [2020-08-21 19:01:58,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:01:58,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113005091] [2020-08-21 19:01:58,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:01:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:58,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:01:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:58,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:01:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:01:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:01:59,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113005091] [2020-08-21 19:01:59,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:01:59,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:01:59,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889000473] [2020-08-21 19:01:59,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:01:59,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:01:59,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:01:59,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:01:59,014 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-08-21 19:02:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:02:00,929 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-08-21 19:02:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 19:02:00,930 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-08-21 19:02:00,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:02:00,940 INFO L225 Difference]: With dead ends: 1320 [2020-08-21 19:02:00,941 INFO L226 Difference]: Without dead ends: 768 [2020-08-21 19:02:00,944 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 [2020-08-21 19:02:00,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-08-21 19:02:00,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-08-21 19:02:00,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-08-21 19:02:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-08-21 19:02:00,993 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 114 [2020-08-21 19:02:00,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:02:00,996 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-08-21 19:02:00,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:02:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-08-21 19:02:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-21 19:02:01,005 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:02:01,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:02:01,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 19:02:01,007 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:02:01,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:02:01,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1466730177, now seen corresponding path program 1 times [2020-08-21 19:02:01,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:02:01,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897651385] [2020-08-21 19:02:01,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:02:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:01,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:02:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:02:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:02:01,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897651385] [2020-08-21 19:02:01,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:02:01,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:02:01,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874736927] [2020-08-21 19:02:01,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:02:01,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:02:01,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:02:01,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:02:01,355 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-08-21 19:02:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:02:03,349 INFO L93 Difference]: Finished difference Result 1330 states and 1917 transitions. [2020-08-21 19:02:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 19:02:03,350 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-21 19:02:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:02:03,356 INFO L225 Difference]: With dead ends: 1330 [2020-08-21 19:02:03,357 INFO L226 Difference]: Without dead ends: 770 [2020-08-21 19:02:03,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 19:02:03,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-08-21 19:02:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 754. [2020-08-21 19:02:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-08-21 19:02:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-08-21 19:02:03,394 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 123 [2020-08-21 19:02:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:02:03,396 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-08-21 19:02:03,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:02:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-08-21 19:02:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-21 19:02:03,400 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:02:03,401 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 19:02:03,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 19:02:03,402 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:02:03,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:02:03,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1580065926, now seen corresponding path program 1 times [2020-08-21 19:02:03,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:02:03,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008409949] [2020-08-21 19:02:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:02:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:03,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:02:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:03,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:02:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:03,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 19:02:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-21 19:02:03,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008409949] [2020-08-21 19:02:03,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:02:03,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 19:02:03,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048206992] [2020-08-21 19:02:03,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:02:03,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:02:03,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:02:03,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:02:03,837 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 8 states. [2020-08-21 19:02:08,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:02:08,017 INFO L93 Difference]: Finished difference Result 2802 states and 3936 transitions. [2020-08-21 19:02:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 19:02:08,022 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-21 19:02:08,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:02:08,036 INFO L225 Difference]: With dead ends: 2802 [2020-08-21 19:02:08,036 INFO L226 Difference]: Without dead ends: 2054 [2020-08-21 19:02:08,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-08-21 19:02:08,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2020-08-21 19:02:08,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1500. [2020-08-21 19:02:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2020-08-21 19:02:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1992 transitions. [2020-08-21 19:02:08,103 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1992 transitions. Word has length 207 [2020-08-21 19:02:08,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:02:08,105 INFO L479 AbstractCegarLoop]: Abstraction has 1500 states and 1992 transitions. [2020-08-21 19:02:08,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:02:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1992 transitions. [2020-08-21 19:02:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-08-21 19:02:08,112 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:02:08,112 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:02:08,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 19:02:08,113 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:02:08,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:02:08,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2070853628, now seen corresponding path program 1 times [2020-08-21 19:02:08,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:02:08,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868944338] [2020-08-21 19:02:08,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:02:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:08,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:02:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:08,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:02:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:08,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 19:02:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-21 19:02:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:08,950 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 133 proven. 221 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 19:02:08,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868944338] [2020-08-21 19:02:08,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:02:08,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 19:02:08,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457860430] [2020-08-21 19:02:08,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 19:02:08,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:02:08,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 19:02:08,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-21 19:02:08,953 INFO L87 Difference]: Start difference. First operand 1500 states and 1992 transitions. Second operand 9 states. [2020-08-21 19:02:11,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:02:11,674 INFO L93 Difference]: Finished difference Result 3461 states and 4619 transitions. [2020-08-21 19:02:11,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 19:02:11,676 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 330 [2020-08-21 19:02:11,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:02:11,686 INFO L225 Difference]: With dead ends: 3461 [2020-08-21 19:02:11,686 INFO L226 Difference]: Without dead ends: 1924 [2020-08-21 19:02:11,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-08-21 19:02:11,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2020-08-21 19:02:11,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1880. [2020-08-21 19:02:11,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1880 states. [2020-08-21 19:02:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2237 transitions. [2020-08-21 19:02:11,748 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2237 transitions. Word has length 330 [2020-08-21 19:02:11,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:02:11,749 INFO L479 AbstractCegarLoop]: Abstraction has 1880 states and 2237 transitions. [2020-08-21 19:02:11,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 19:02:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2237 transitions. [2020-08-21 19:02:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-08-21 19:02:11,756 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:02:11,757 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:02:11,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 19:02:11,757 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:02:11,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:02:11,758 INFO L82 PathProgramCache]: Analyzing trace with hash 749495311, now seen corresponding path program 1 times [2020-08-21 19:02:11,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:02:11,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292558383] [2020-08-21 19:02:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:02:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:11,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:02:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:02:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:11,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-21 19:02:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:12,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-21 19:02:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 286 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-08-21 19:02:12,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292558383] [2020-08-21 19:02:12,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:02:12,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:02:12,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409229815] [2020-08-21 19:02:12,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:02:12,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:02:12,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:02:12,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:02:12,272 INFO L87 Difference]: Start difference. First operand 1880 states and 2237 transitions. Second operand 7 states. [2020-08-21 19:02:14,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:02:14,845 INFO L93 Difference]: Finished difference Result 4888 states and 5955 transitions. [2020-08-21 19:02:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 19:02:14,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 355 [2020-08-21 19:02:14,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:02:14,861 INFO L225 Difference]: With dead ends: 4888 [2020-08-21 19:02:14,862 INFO L226 Difference]: Without dead ends: 3014 [2020-08-21 19:02:14,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 19:02:14,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3014 states. [2020-08-21 19:02:14,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3014 to 2628. [2020-08-21 19:02:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2628 states. [2020-08-21 19:02:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 3120 transitions. [2020-08-21 19:02:14,957 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 3120 transitions. Word has length 355 [2020-08-21 19:02:14,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:02:14,958 INFO L479 AbstractCegarLoop]: Abstraction has 2628 states and 3120 transitions. [2020-08-21 19:02:14,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:02:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3120 transitions. [2020-08-21 19:02:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-08-21 19:02:14,968 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:02:14,968 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:02:14,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 19:02:14,969 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:02:14,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:02:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1761514059, now seen corresponding path program 1 times [2020-08-21 19:02:14,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:02:14,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448958316] [2020-08-21 19:02:14,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:02:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:15,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:02:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:15,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:02:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-21 19:02:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-08-21 19:02:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:02:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2020-08-21 19:02:15,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448958316] [2020-08-21 19:02:15,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:02:15,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 19:02:15,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853722778] [2020-08-21 19:02:15,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:02:15,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:02:15,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:02:15,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:02:15,542 INFO L87 Difference]: Start difference. First operand 2628 states and 3120 transitions. Second operand 5 states. [2020-08-21 19:02:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:02:17,186 INFO L93 Difference]: Finished difference Result 6000 states and 7246 transitions. [2020-08-21 19:02:17,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:02:17,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 373 [2020-08-21 19:02:17,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:02:17,189 INFO L225 Difference]: With dead ends: 6000 [2020-08-21 19:02:17,189 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 19:02:17,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 19:02:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 19:02:17,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 19:02:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 19:02:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 19:02:17,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-08-21 19:02:17,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:02:17,202 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 19:02:17,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:02:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 19:02:17,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 19:02:17,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 19:02:17,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 19:02:17,496 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2020-08-21 19:02:17,599 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2020-08-21 19:02:18,116 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2020-08-21 19:02:18,472 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-08-21 19:02:18,807 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-08-21 19:02:18,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:02:18,812 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-21 19:02:18,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-21 19:02:18,813 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 19:02:18,814 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-21 19:02:18,815 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-21 19:02:18,815 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-21 19:02:18,815 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,815 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,815 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,815 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-21 19:02:18,815 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 19:02:18,816 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 19:02:18,816 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 19:02:18,816 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-21 19:02:18,816 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-21 19:02:18,816 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-21 19:02:18,816 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-21 19:02:18,816 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-21 19:02:18,817 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,817 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,817 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,817 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-21 19:02:18,817 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 19:02:18,817 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 19:02:18,817 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-21 19:02:18,818 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-21 19:02:18,819 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,820 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,820 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,820 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,820 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-21 19:02:18,820 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 19:02:18,820 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 19:02:18,820 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,821 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-21 19:02:18,822 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,823 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,823 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,823 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-21 19:02:18,823 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-21 19:02:18,823 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 19:02:18,823 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 19:02:18,823 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 19:02:18,824 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-21 19:02:18,824 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a15~0)| 8))) (.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (and (or (= 8 |old(~a21~0)|) .cse1) (or .cse1 (= 6 |old(~a15~0)|)))) (or .cse0 .cse1 (not (<= 12 |old(~a12~0)|))) (or .cse0 (not (<= 8 |old(~a15~0)|)) (= 10 |old(~a15~0)|)))) [2020-08-21 19:02:18,824 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-21 19:02:18,824 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-21 19:02:18,824 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,824 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-21 19:02:18,825 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 19:02:18,826 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 19:02:18,827 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-21 19:02:18,827 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-21 19:02:18,827 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-21 19:02:18,827 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,827 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,827 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,827 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-21 19:02:18,828 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 19:02:18,828 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 19:02:18,828 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 19:02:18,828 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-21 19:02:18,828 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-21 19:02:18,828 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-21 19:02:18,828 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-21 19:02:18,829 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 19:02:18,830 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,831 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,832 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-21 19:02:18,833 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-21 19:02:18,834 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-21 19:02:18,835 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 19:02:18,836 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,837 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-21 19:02:18,838 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-21 19:02:18,839 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 19:02:18,840 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-21 19:02:18,841 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 19:02:18,842 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 19:02:18,842 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 19:02:18,842 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-21 19:02:18,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:02:18,842 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a21~0) (<= 8 ~a15~0) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (not (= ~a21~0 8))) [2020-08-21 19:02:18,842 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 19:02:18,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:02:18,843 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (= 8 |old(~a21~0)|) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-08-21 19:02:18,843 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-21 19:02:18,843 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 8))) (or (= 8 |old(~a21~0)|) (and .cse0 (not (= ~a21~0 8))) (not (<= 8 |old(~a15~0)|)) (and (<= 12 ~a12~0) .cse0) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not (= ~a15~0 6)) .cse0))) [2020-08-21 19:02:18,843 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-21 19:02:18,843 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-21 19:02:18,844 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 8))) (or (= 8 |old(~a21~0)|) (and .cse0 (not (= ~a21~0 8))) (not (<= 8 |old(~a15~0)|)) (and (<= 12 ~a12~0) .cse0) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not (= ~a15~0 6)) .cse0))) [2020-08-21 19:02:18,844 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-21 19:02:18,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:02:18 BoogieIcfgContainer [2020-08-21 19:02:18,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 19:02:18,867 INFO L168 Benchmark]: Toolchain (without parser) took 26511.54 ms. Allocated memory was 138.4 MB in the beginning and 579.9 MB in the end (delta: 441.5 MB). Free memory was 99.2 MB in the beginning and 493.6 MB in the end (delta: -394.4 MB). Peak memory consumption was 417.3 MB. Max. memory is 7.1 GB. [2020-08-21 19:02:18,868 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 19:02:18,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.90 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 99.0 MB in the beginning and 167.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2020-08-21 19:02:18,869 INFO L168 Benchmark]: Boogie Preprocessor took 164.41 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 161.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-08-21 19:02:18,870 INFO L168 Benchmark]: RCFGBuilder took 1589.03 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 161.2 MB in the beginning and 156.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-08-21 19:02:18,871 INFO L168 Benchmark]: TraceAbstraction took 23806.27 ms. Allocated memory was 235.9 MB in the beginning and 579.9 MB in the end (delta: 343.9 MB). Free memory was 156.2 MB in the beginning and 493.6 MB in the end (delta: -337.4 MB). Peak memory consumption was 376.8 MB. Max. memory is 7.1 GB. [2020-08-21 19:02:18,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 946.90 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 99.0 MB in the beginning and 167.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.41 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 161.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1589.03 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 161.2 MB in the beginning and 156.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23806.27 ms. Allocated memory was 235.9 MB in the beginning and 579.9 MB in the end (delta: 343.9 MB). Free memory was 156.2 MB in the beginning and 493.6 MB in the end (delta: -337.4 MB). Peak memory consumption was 376.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((8 == \old(a21) || (a15 <= 8 && !(a21 == 8))) || !(8 <= \old(a15))) || (12 <= a12 && a15 <= 8)) || (8 <= a15 && !(a15 == 10))) || !(\old(a15) <= 8)) || !(7 <= \old(a21))) || !(\old(a12) + 49 <= 0)) || (!(a15 == 6) && a15 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.0s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 212 SDtfs, 6817 SDslu, 255 SDs, 0 SdLazy, 9393 SolverSat, 2905 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2628occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1208 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 70 PreInvPairs, 112 NumberOfFragments, 270 HoareAnnotationTreeSize, 70 FomulaSimplifications, 29625 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7768 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1542 NumberOfCodeBlocks, 1542 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1383548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1134/1368 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...