/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:34:16,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:34:16,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:34:16,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:34:16,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:34:16,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:34:16,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:34:16,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:34:16,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:34:16,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:34:16,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:34:16,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:34:16,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:34:16,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:34:16,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:34:16,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:34:16,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:34:16,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:34:16,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:34:16,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:34:16,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:34:16,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:34:16,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:34:16,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:34:16,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 11:34:16,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:34:16,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:34:16,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:34:16,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 11:34:16,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:34:16,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:34:16,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:34:16,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:34:16,367 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:34:16,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:34:16,367 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:34:16,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:34:16,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:34:16,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:34:16,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:34:16,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:34:16,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:34:16,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:34:16,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:34:16,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:34:16,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:34:16,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:34:16,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:34:16,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:34:16,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:34:16,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:34:16,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:34:16,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:34:16,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:34:16,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:34:16,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:16,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:34:16,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:34:16,372 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 11:34:16,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:34:16,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:34:16,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:34:16,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:34:16,662 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:34:16,663 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-07-20 11:34:16,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c265a43/a414fe22ae574e61b8715fdf094ab917/FLAG04aff02be [2020-07-20 11:34:17,366 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:34:17,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-07-20 11:34:17,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c265a43/a414fe22ae574e61b8715fdf094ab917/FLAG04aff02be [2020-07-20 11:34:17,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c265a43/a414fe22ae574e61b8715fdf094ab917 [2020-07-20 11:34:17,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:34:17,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:34:17,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:34:17,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:34:17,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:34:17,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:34:17" (1/1) ... [2020-07-20 11:34:17,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550c1f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:17, skipping insertion in model container [2020-07-20 11:34:17,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:34:17" (1/1) ... [2020-07-20 11:34:17,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:34:17,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:34:18,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:34:18,227 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:34:18,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:34:18,490 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:34:18,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18 WrapperNode [2020-07-20 11:34:18,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:34:18,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:34:18,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:34:18,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:34:18,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... [2020-07-20 11:34:18,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... [2020-07-20 11:34:18,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... [2020-07-20 11:34:18,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... [2020-07-20 11:34:18,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... [2020-07-20 11:34:18,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... [2020-07-20 11:34:18,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... [2020-07-20 11:34:18,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:34:18,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:34:18,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:34:18,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:34:18,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 11:34:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:34:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:34:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 11:34:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:34:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 11:34:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:34:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:34:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 11:34:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:34:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:34:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:34:19,935 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:34:19,935 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 11:34:19,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:34:19 BoogieIcfgContainer [2020-07-20 11:34:19,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:34:19,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:34:19,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:34:19,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:34:19,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:34:17" (1/3) ... [2020-07-20 11:34:19,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6723ec2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:34:19, skipping insertion in model container [2020-07-20 11:34:19,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:34:18" (2/3) ... [2020-07-20 11:34:19,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6723ec2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:34:19, skipping insertion in model container [2020-07-20 11:34:19,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:34:19" (3/3) ... [2020-07-20 11:34:19,951 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-07-20 11:34:19,962 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:34:19,970 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:34:19,985 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:34:20,015 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:34:20,015 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:34:20,015 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:34:20,016 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:34:20,016 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:34:20,016 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:34:20,016 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:34:20,017 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:34:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 11:34:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 11:34:20,056 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:34:20,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:34:20,058 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:34:20,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:34:20,065 INFO L82 PathProgramCache]: Analyzing trace with hash 597031182, now seen corresponding path program 1 times [2020-07-20 11:34:20,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:34:20,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091153224] [2020-07-20 11:34:20,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:34:20,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:34:20,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:34:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:34:20,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:34:20,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091153224] [2020-07-20 11:34:20,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:34:20,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:34:20,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006787917] [2020-07-20 11:34:20,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:34:20,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:34:20,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:34:20,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:20,419 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-20 11:34:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:34:21,417 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2020-07-20 11:34:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:34:21,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-20 11:34:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:34:21,436 INFO L225 Difference]: With dead ends: 547 [2020-07-20 11:34:21,436 INFO L226 Difference]: Without dead ends: 278 [2020-07-20 11:34:21,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:21,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-20 11:34:21,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-20 11:34:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-20 11:34:21,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2020-07-20 11:34:21,514 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 120 [2020-07-20 11:34:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:34:21,515 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2020-07-20 11:34:21,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:34:21,515 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2020-07-20 11:34:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-20 11:34:21,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:34:21,520 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:34:21,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:21,734 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:34:21,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:34:21,735 INFO L82 PathProgramCache]: Analyzing trace with hash 330455461, now seen corresponding path program 1 times [2020-07-20 11:34:21,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:34:21,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905763385] [2020-07-20 11:34:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:34:21,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:34:21,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:34:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:34:21,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:34:21,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905763385] [2020-07-20 11:34:21,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:34:21,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:34:21,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128365914] [2020-07-20 11:34:21,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:34:21,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:34:21,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:34:21,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:34:21,884 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 5 states. [2020-07-20 11:34:22,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:34:22,793 INFO L93 Difference]: Finished difference Result 701 states and 1021 transitions. [2020-07-20 11:34:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:34:22,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-07-20 11:34:22,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:34:22,807 INFO L225 Difference]: With dead ends: 701 [2020-07-20 11:34:22,808 INFO L226 Difference]: Without dead ends: 429 [2020-07-20 11:34:22,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:34:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-07-20 11:34:22,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 417. [2020-07-20 11:34:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-20 11:34:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-07-20 11:34:22,880 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 130 [2020-07-20 11:34:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:34:22,881 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-07-20 11:34:22,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:34:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-07-20 11:34:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-20 11:34:22,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:34:22,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:34:23,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:23,088 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:34:23,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:34:23,089 INFO L82 PathProgramCache]: Analyzing trace with hash -46995225, now seen corresponding path program 1 times [2020-07-20 11:34:23,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:34:23,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860713311] [2020-07-20 11:34:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:34:23,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:34:23,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:34:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:34:23,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:34:23,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860713311] [2020-07-20 11:34:23,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:34:23,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:34:23,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984627352] [2020-07-20 11:34:23,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:34:23,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:34:23,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:34:23,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:23,244 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 3 states. [2020-07-20 11:34:23,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:34:23,826 INFO L93 Difference]: Finished difference Result 1235 states and 1769 transitions. [2020-07-20 11:34:23,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:34:23,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-07-20 11:34:23,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:34:23,838 INFO L225 Difference]: With dead ends: 1235 [2020-07-20 11:34:23,839 INFO L226 Difference]: Without dead ends: 824 [2020-07-20 11:34:23,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:23,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-07-20 11:34:23,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 689. [2020-07-20 11:34:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-07-20 11:34:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 919 transitions. [2020-07-20 11:34:23,891 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 919 transitions. Word has length 131 [2020-07-20 11:34:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:34:23,892 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 919 transitions. [2020-07-20 11:34:23,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:34:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 919 transitions. [2020-07-20 11:34:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-20 11:34:23,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:34:23,895 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:34:24,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:24,110 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:34:24,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:34:24,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1219225115, now seen corresponding path program 1 times [2020-07-20 11:34:24,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:34:24,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187222239] [2020-07-20 11:34:24,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:34:24,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:34:24,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:34:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:34:24,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:34:24,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187222239] [2020-07-20 11:34:24,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:34:24,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:34:24,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125703358] [2020-07-20 11:34:24,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:34:24,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:34:24,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:34:24,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:24,306 INFO L87 Difference]: Start difference. First operand 689 states and 919 transitions. Second operand 3 states. [2020-07-20 11:34:24,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:34:24,898 INFO L93 Difference]: Finished difference Result 2051 states and 2809 transitions. [2020-07-20 11:34:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:34:24,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-20 11:34:24,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:34:24,908 INFO L225 Difference]: With dead ends: 2051 [2020-07-20 11:34:24,908 INFO L226 Difference]: Without dead ends: 1368 [2020-07-20 11:34:24,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:24,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-07-20 11:34:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1368. [2020-07-20 11:34:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-07-20 11:34:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1798 transitions. [2020-07-20 11:34:24,957 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1798 transitions. Word has length 137 [2020-07-20 11:34:24,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:34:24,958 INFO L479 AbstractCegarLoop]: Abstraction has 1368 states and 1798 transitions. [2020-07-20 11:34:24,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:34:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1798 transitions. [2020-07-20 11:34:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 11:34:24,964 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:34:24,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:34:25,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:25,180 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:34:25,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:34:25,180 INFO L82 PathProgramCache]: Analyzing trace with hash -2034569339, now seen corresponding path program 1 times [2020-07-20 11:34:25,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:34:25,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62911106] [2020-07-20 11:34:25,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:34:25,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:34:25,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:34:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:34:25,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:34:25,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62911106] [2020-07-20 11:34:25,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:34:25,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:34:25,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459530988] [2020-07-20 11:34:25,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:34:25,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:34:25,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:34:25,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:25,326 INFO L87 Difference]: Start difference. First operand 1368 states and 1798 transitions. Second operand 3 states. [2020-07-20 11:34:25,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:34:25,906 INFO L93 Difference]: Finished difference Result 3135 states and 4212 transitions. [2020-07-20 11:34:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:34:25,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-07-20 11:34:25,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:34:25,922 INFO L225 Difference]: With dead ends: 3135 [2020-07-20 11:34:25,922 INFO L226 Difference]: Without dead ends: 1773 [2020-07-20 11:34:25,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:25,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2020-07-20 11:34:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1773. [2020-07-20 11:34:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2020-07-20 11:34:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2284 transitions. [2020-07-20 11:34:26,005 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2284 transitions. Word has length 146 [2020-07-20 11:34:26,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:34:26,006 INFO L479 AbstractCegarLoop]: Abstraction has 1773 states and 2284 transitions. [2020-07-20 11:34:26,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:34:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2284 transitions. [2020-07-20 11:34:26,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-20 11:34:26,014 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:34:26,014 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:34:26,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:26,230 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:34:26,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:34:26,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1521407610, now seen corresponding path program 1 times [2020-07-20 11:34:26,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:34:26,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793966943] [2020-07-20 11:34:26,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:34:26,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:34:26,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:34:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:34:26,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:34:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:34:26,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793966943] [2020-07-20 11:34:26,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:34:26,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 11:34:26,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717233571] [2020-07-20 11:34:26,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:34:26,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:34:26,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:34:26,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:34:26,503 INFO L87 Difference]: Start difference. First operand 1773 states and 2284 transitions. Second operand 6 states. [2020-07-20 11:34:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:34:27,230 INFO L93 Difference]: Finished difference Result 3878 states and 5128 transitions. [2020-07-20 11:34:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:34:27,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2020-07-20 11:34:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:34:27,247 INFO L225 Difference]: With dead ends: 3878 [2020-07-20 11:34:27,256 INFO L226 Difference]: Without dead ends: 2111 [2020-07-20 11:34:27,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:34:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2020-07-20 11:34:27,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1797. [2020-07-20 11:34:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1797 states. [2020-07-20 11:34:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2210 transitions. [2020-07-20 11:34:27,344 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2210 transitions. Word has length 175 [2020-07-20 11:34:27,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:34:27,345 INFO L479 AbstractCegarLoop]: Abstraction has 1797 states and 2210 transitions. [2020-07-20 11:34:27,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:34:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2210 transitions. [2020-07-20 11:34:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-20 11:34:27,351 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:34:27,352 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:34:27,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:27,563 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:34:27,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:34:27,564 INFO L82 PathProgramCache]: Analyzing trace with hash 795457010, now seen corresponding path program 1 times [2020-07-20 11:34:27,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:34:27,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97121165] [2020-07-20 11:34:27,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:34:27,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:34:27,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:34:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 11:34:27,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:34:27,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97121165] [2020-07-20 11:34:27,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:34:27,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:34:27,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335749816] [2020-07-20 11:34:27,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:34:27,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:34:27,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:34:27,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:27,737 INFO L87 Difference]: Start difference. First operand 1797 states and 2210 transitions. Second operand 3 states. [2020-07-20 11:34:28,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:34:28,292 INFO L93 Difference]: Finished difference Result 4809 states and 6006 transitions. [2020-07-20 11:34:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:34:28,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-07-20 11:34:28,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:34:28,294 INFO L225 Difference]: With dead ends: 4809 [2020-07-20 11:34:28,294 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:34:28,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:34:28,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:34:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:34:28,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:34:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:34:28,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-07-20 11:34:28,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:34:28,306 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:34:28,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:34:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:34:28,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:34:28,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:34:28,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:34:29,451 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 57 [2020-07-20 11:34:29,593 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-07-20 11:34:29,723 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-07-20 11:34:29,727 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:34:29,728 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a16~0 |old(~a16~0)|) (= ~a21~0 |old(~a21~0)|)) [2020-07-20 11:34:29,728 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:34:29,728 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 11:34:29,728 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 11:34:29,728 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,728 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,728 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 11:34:29,729 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 11:34:29,730 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 11:34:29,730 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 11:34:29,730 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 11:34:29,730 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 11:34:29,730 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,730 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,730 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 11:34:29,731 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 11:34:29,732 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 11:34:29,732 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 11:34:29,732 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 11:34:29,732 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 11:34:29,732 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 11:34:29,732 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 11:34:29,732 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-07-20 11:34:29,733 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 11:34:29,733 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 11:34:29,733 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 11:34:29,733 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 11:34:29,733 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,733 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,733 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 11:34:29,734 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,735 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 11:34:29,736 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 11:34:29,737 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 11:34:29,737 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 11:34:29,737 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 11:34:29,737 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 11:34:29,737 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 11:34:29,737 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,737 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 11:34:29,738 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 11:34:29,739 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 11:34:29,739 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 11:34:29,739 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 11:34:29,739 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,739 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,739 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,739 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 11:34:29,740 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 11:34:29,741 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 11:34:29,742 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 11:34:29,743 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 11:34:29,743 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 11:34:29,743 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 11:34:29,743 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 11:34:29,743 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 11:34:29,743 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,743 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 11:34:29,744 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 11:34:29,745 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 11:34:29,745 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 11:34:29,745 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 11:34:29,745 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 11:34:29,745 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 11:34:29,746 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a20~0)|))) (.cse3 (= 1 ~a20~0)) (.cse4 (not (<= 15 |old(~a8~0)|))) (.cse9 (<= 5 ~a16~0)) (.cse10 (not (<= 5 |old(~a16~0)|))) (.cse2 (not (<= |old(~a8~0)| 13))) (.cse8 (<= ~a8~0 13)) (.cse5 (<= ~a16~0 |old(~a16~0)|)) (.cse12 (<= ~a17~0 0)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse1 (not (<= |old(~a16~0)| 5))) (.cse7 (not (= 1 |old(~a21~0)|))) (.cse11 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 (<= 15 ~a8~0) .cse6) .cse7) (or .cse0 .cse2 (and .cse5 .cse8 .cse9 .cse3 .cse6) .cse10 .cse7) (or .cse9 .cse1 .cse10 .cse7 .cse11) (or .cse0 .cse2 (and .cse5 .cse8 .cse12 .cse3 .cse6) .cse11) (or .cse4 .cse12 .cse7 .cse11) (or .cse0 .cse4 .cse3 .cse7) (or .cse0 .cse1 .cse7 (and .cse5 .cse3 .cse6)) (or .cse4 .cse9 .cse10 .cse7) (or .cse1 .cse2 (and .cse5 .cse8 .cse6)) (or (and .cse5 .cse12 .cse6) .cse1 .cse7 .cse11))) [2020-07-20 11:34:29,746 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 11:34:29,746 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,746 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,746 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,746 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,746 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 11:34:29,746 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 11:34:29,747 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,748 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 11:34:29,749 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 11:34:29,750 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 11:34:29,751 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:34:29,752 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-20 11:34:29,753 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:34:29,753 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:34:29,753 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a20~0) (= ~a21~0 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-20 11:34:29,753 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 11:34:29,753 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0)) (.cse1 (<= ~a16~0 5)) (.cse3 (<= ~a8~0 13)) (.cse4 (<= ~a17~0 0)) (.cse2 (= 1 ~a20~0))) (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and (<= 15 ~a8~0) .cse0) (and .cse1 .cse0 .cse2) (and .cse3 .cse0 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse1 .cse0) (and .cse3 .cse1) (and .cse3 .cse4 .cse2) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|)))) [2020-07-20 11:34:29,753 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 11:34:29,753 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 11:34:29,754 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0)) (.cse1 (<= ~a16~0 5)) (.cse3 (<= ~a8~0 13)) (.cse4 (<= ~a17~0 0)) (.cse2 (= 1 ~a20~0))) (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and (<= 15 ~a8~0) .cse0) (and .cse1 .cse0 .cse2) (and .cse3 .cse0 .cse2) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse1 .cse0) (and .cse3 .cse1) (and .cse3 .cse4 .cse2) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|)))) [2020-07-20 11:34:29,754 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 11:34:29,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:34:29 BoogieIcfgContainer [2020-07-20 11:34:29,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:34:29,780 INFO L168 Benchmark]: Toolchain (without parser) took 12163.34 ms. Allocated memory was 138.4 MB in the beginning and 356.5 MB in the end (delta: 218.1 MB). Free memory was 100.5 MB in the beginning and 249.0 MB in the end (delta: -148.5 MB). Peak memory consumption was 231.6 MB. Max. memory is 7.1 GB. [2020-07-20 11:34:29,781 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 11:34:29,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.72 ms. Allocated memory was 138.4 MB in the beginning and 207.6 MB in the end (delta: 69.2 MB). Free memory was 100.1 MB in the beginning and 174.2 MB in the end (delta: -74.1 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-07-20 11:34:29,782 INFO L168 Benchmark]: Boogie Preprocessor took 116.98 ms. Allocated memory is still 207.6 MB. Free memory was 174.2 MB in the beginning and 168.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-20 11:34:29,783 INFO L168 Benchmark]: RCFGBuilder took 1333.32 ms. Allocated memory was 207.6 MB in the beginning and 239.6 MB in the end (delta: 32.0 MB). Free memory was 168.5 MB in the beginning and 183.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-07-20 11:34:29,784 INFO L168 Benchmark]: TraceAbstraction took 9834.95 ms. Allocated memory was 239.6 MB in the beginning and 356.5 MB in the end (delta: 116.9 MB). Free memory was 182.1 MB in the beginning and 249.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 212.0 MB. Max. memory is 7.1 GB. [2020-07-20 11:34:29,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 871.72 ms. Allocated memory was 138.4 MB in the beginning and 207.6 MB in the end (delta: 69.2 MB). Free memory was 100.1 MB in the beginning and 174.2 MB in the end (delta: -74.1 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.98 ms. Allocated memory is still 207.6 MB. Free memory was 174.2 MB in the beginning and 168.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1333.32 ms. Allocated memory was 207.6 MB in the beginning and 239.6 MB in the end (delta: 32.0 MB). Free memory was 168.5 MB in the beginning and 183.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9834.95 ms. Allocated memory was 239.6 MB in the beginning and 356.5 MB in the end (delta: 116.9 MB). Free memory was 182.1 MB in the beginning and 249.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 212.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a20)) || !(15 <= \old(a8))) || (15 <= a8 && 1 == a21)) || ((a16 <= 5 && 1 == a21) && 1 == a20)) || ((a8 <= 13 && 1 == a21) && 1 == a20)) || !(\old(a16) <= 5)) || ((a17 <= 0 && a16 <= 5) && 1 == a21)) || (a8 <= 13 && a16 <= 5)) || ((a8 <= 13 && a17 <= 0) && 1 == a20)) || !(5 <= \old(a16))) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.5s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 601 SDtfs, 1062 SDslu, 136 SDs, 0 SdLazy, 2860 SolverSat, 571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1193 GetRequests, 1175 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1797occurred 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 461 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 119 NumberOfFragments, 442 HoareAnnotationTreeSize, 75 FomulaSimplifications, 2372 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 819 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1018 NumberOfCodeBlocks, 1018 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1185 ConstructedInterpolants, 0 QuantifiedInterpolants, 413079 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2707 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 236/240 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...