/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:07:44,401 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 22:07:44,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 22:07:44,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 22:07:44,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 22:07:44,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 22:07:44,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 22:07:44,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 22:07:44,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 22:07:44,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 22:07:44,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:07:44,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:07:44,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:07:44,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:07:44,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:07:44,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:07:44,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:07:44,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:07:44,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:07:44,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:07:44,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:07:44,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:07:44,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 22:07:44,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:07:44,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:07:44,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:07:44,452 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 22:07:44,479 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:07:44,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:07:44,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:07:44,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:07:44,483 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:07:44,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:07:44,483 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:07:44,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:07:44,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:07:44,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:07:44,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:07:44,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:07:44,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:07:44,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:07:44,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:07:44,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:07:44,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:07:44,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:07:44,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:07:44,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:07:44,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:07:44,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:07:44,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:07:44,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:07:44,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:07:44,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:07:44,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:44,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:07:44,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:07:44,489 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 22:07:44,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:07:44,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:07:44,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:07:44,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:07:44,793 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:07:44,794 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 22:07:44,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8ced8ca/58c6c3f392b44863a23e438d0ced8fdf/FLAGd1df0c823 [2020-07-20 22:07:45,419 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:07:45,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 22:07:45,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8ced8ca/58c6c3f392b44863a23e438d0ced8fdf/FLAGd1df0c823 [2020-07-20 22:07:45,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8ced8ca/58c6c3f392b44863a23e438d0ced8fdf [2020-07-20 22:07:45,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:07:45,714 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:07:45,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:07:45,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:07:45,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:07:45,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:07:45" (1/1) ... [2020-07-20 22:07:45,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ad3b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:45, skipping insertion in model container [2020-07-20 22:07:45,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:07:45" (1/1) ... [2020-07-20 22:07:45,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:07:45,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:07:46,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:07:46,312 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:07:46,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:07:46,494 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:07:46,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46 WrapperNode [2020-07-20 22:07:46,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:07:46,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:07:46,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:07:46,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:07:46,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (1/1) ... [2020-07-20 22:07:46,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (1/1) ... [2020-07-20 22:07:46,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (1/1) ... [2020-07-20 22:07:46,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (1/1) ... [2020-07-20 22:07:46,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (1/1) ... [2020-07-20 22:07:46,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (1/1) ... [2020-07-20 22:07:46,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (1/1) ... [2020-07-20 22:07:46,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:07:46,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:07:46,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:07:46,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:07:46,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (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 22:07:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:07:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:07:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 22:07:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:07:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 22:07:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:07:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:07:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 22:07:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:07:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:07:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:07:47,978 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:07:47,978 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:07:47,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:07:47 BoogieIcfgContainer [2020-07-20 22:07:47,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:07:47,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:07:47,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:07:47,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:07:47,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:07:45" (1/3) ... [2020-07-20 22:07:47,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc3f62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:07:47, skipping insertion in model container [2020-07-20 22:07:47,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:07:46" (2/3) ... [2020-07-20 22:07:47,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc3f62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:07:47, skipping insertion in model container [2020-07-20 22:07:47,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:07:47" (3/3) ... [2020-07-20 22:07:47,994 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-20 22:07:48,005 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:07:48,014 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:07:48,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:07:48,056 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:07:48,056 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:07:48,056 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:07:48,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:07:48,057 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:07:48,057 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:07:48,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:07:48,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:07:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 22:07:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-20 22:07:48,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:07:48,092 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] [2020-07-20 22:07:48,092 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:07:48,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:07:48,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-20 22:07:48,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:07:48,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600742601] [2020-07-20 22:07:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:07:48,214 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:07:48,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:07:48,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:07:48,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:07:48,291 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 22:07:48,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:07:48,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600742601] [2020-07-20 22:07:48,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:07:48,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:07:48,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905427370] [2020-07-20 22:07:48,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:07:48,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:07:48,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:07:48,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:07:48,318 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-20 22:07:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:07:49,380 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-20 22:07:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:07:49,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-20 22:07:49,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:07:49,401 INFO L225 Difference]: With dead ends: 586 [2020-07-20 22:07:49,401 INFO L226 Difference]: Without dead ends: 294 [2020-07-20 22:07:49,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 22:07:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-20 22:07:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-20 22:07:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 22:07:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-20 22:07:49,505 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 41 [2020-07-20 22:07:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:07:49,506 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-20 22:07:49,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:07:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-20 22:07:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 22:07:49,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:07:49,512 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:49,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:49,727 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:07:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:07:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1231039110, now seen corresponding path program 1 times [2020-07-20 22:07:49,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:07:49,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002322859] [2020-07-20 22:07:49,730 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:07:49,826 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:07:49,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:07:49,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:07:49,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:07:49,947 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:07:49,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:07:49,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002322859] [2020-07-20 22:07:49,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:07:49,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:07:49,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565804805] [2020-07-20 22:07:49,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:07:49,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:07:49,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:07:49,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:07:49,958 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-20 22:07:50,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:07:50,662 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions. [2020-07-20 22:07:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:07:50,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-20 22:07:50,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:07:50,668 INFO L225 Difference]: With dead ends: 868 [2020-07-20 22:07:50,668 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 22:07:50,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 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 22:07:50,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 22:07:50,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-20 22:07:50,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 22:07:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions. [2020-07-20 22:07:50,721 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 111 [2020-07-20 22:07:50,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:07:50,723 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 802 transitions. [2020-07-20 22:07:50,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:07:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions. [2020-07-20 22:07:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-20 22:07:50,733 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:07:50,734 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:50,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:50,936 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:07:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:07:50,937 INFO L82 PathProgramCache]: Analyzing trace with hash 884590309, now seen corresponding path program 1 times [2020-07-20 22:07:50,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:07:50,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978783681] [2020-07-20 22:07:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:07:51,020 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:07:51,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:07:51,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:07:51,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:07:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:07:51,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:07:51,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978783681] [2020-07-20 22:07:51,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:07:51,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:07:51,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141001715] [2020-07-20 22:07:51,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:07:51,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:07:51,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:07:51,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:07:51,099 INFO L87 Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 3 states. [2020-07-20 22:07:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:07:51,850 INFO L93 Difference]: Finished difference Result 1440 states and 2058 transitions. [2020-07-20 22:07:51,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:07:51,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-20 22:07:51,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:07:51,856 INFO L225 Difference]: With dead ends: 1440 [2020-07-20 22:07:51,856 INFO L226 Difference]: Without dead ends: 866 [2020-07-20 22:07:51,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 22:07:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-07-20 22:07:51,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 580. [2020-07-20 22:07:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 22:07:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 791 transitions. [2020-07-20 22:07:51,882 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 791 transitions. Word has length 122 [2020-07-20 22:07:51,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:07:51,883 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 791 transitions. [2020-07-20 22:07:51,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:07:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 791 transitions. [2020-07-20 22:07:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-20 22:07:51,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:07:51,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 22:07:52,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:52,102 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:07:52,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:07:52,103 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-20 22:07:52,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:07:52,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806639608] [2020-07-20 22:07:52,105 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:07:52,247 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:07:52,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:07:52,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:07:52,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:07:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:07:52,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:07:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:07:52,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806639608] [2020-07-20 22:07:52,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:07:52,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 22:07:52,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719787339] [2020-07-20 22:07:52,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 22:07:52,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:07:52,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 22:07:52,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:07:52,562 INFO L87 Difference]: Start difference. First operand 580 states and 791 transitions. Second operand 7 states. [2020-07-20 22:07:53,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:07:53,875 INFO L93 Difference]: Finished difference Result 1462 states and 1977 transitions. [2020-07-20 22:07:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 22:07:53,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-20 22:07:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:07:53,881 INFO L225 Difference]: With dead ends: 1462 [2020-07-20 22:07:53,881 INFO L226 Difference]: Without dead ends: 888 [2020-07-20 22:07:53,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-20 22:07:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2020-07-20 22:07:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 882. [2020-07-20 22:07:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-07-20 22:07:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1096 transitions. [2020-07-20 22:07:53,910 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1096 transitions. Word has length 193 [2020-07-20 22:07:53,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:07:53,911 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1096 transitions. [2020-07-20 22:07:53,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 22:07:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1096 transitions. [2020-07-20 22:07:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-20 22:07:53,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:07:53,915 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:07:54,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:54,123 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:07:54,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:07:54,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-20 22:07:54,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:07:54,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712995764] [2020-07-20 22:07:54,125 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:07:54,286 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:07:54,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:07:54,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:07:54,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:07:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 22:07:54,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:07:54,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712995764] [2020-07-20 22:07:54,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:07:54,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:07:54,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108545046] [2020-07-20 22:07:54,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:07:54,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:07:54,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:07:54,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:07:54,342 INFO L87 Difference]: Start difference. First operand 882 states and 1096 transitions. Second operand 3 states. [2020-07-20 22:07:55,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:07:55,148 INFO L93 Difference]: Finished difference Result 2622 states and 3289 transitions. [2020-07-20 22:07:55,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:07:55,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-20 22:07:55,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:07:55,156 INFO L225 Difference]: With dead ends: 2622 [2020-07-20 22:07:55,156 INFO L226 Difference]: Without dead ends: 880 [2020-07-20 22:07:55,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 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 22:07:55,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-20 22:07:55,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2020-07-20 22:07:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-07-20 22:07:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1080 transitions. [2020-07-20 22:07:55,200 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1080 transitions. Word has length 210 [2020-07-20 22:07:55,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:07:55,202 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 1080 transitions. [2020-07-20 22:07:55,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:07:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1080 transitions. [2020-07-20 22:07:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-20 22:07:55,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:07:55,211 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 22:07:55,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:55,415 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:07:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:07:55,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1943514195, now seen corresponding path program 1 times [2020-07-20 22:07:55,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:07:55,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935375344] [2020-07-20 22:07:55,417 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:07:55,569 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:07:55,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:07:55,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:07:55,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:07:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:07:55,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:07:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:07:55,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935375344] [2020-07-20 22:07:55,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:07:55,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 22:07:55,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23110177] [2020-07-20 22:07:55,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 22:07:55,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:07:55,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 22:07:55,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 22:07:55,884 INFO L87 Difference]: Start difference. First operand 880 states and 1080 transitions. Second operand 8 states. [2020-07-20 22:07:57,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:07:57,589 INFO L93 Difference]: Finished difference Result 2823 states and 3645 transitions. [2020-07-20 22:07:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 22:07:57,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-07-20 22:07:57,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:07:57,607 INFO L225 Difference]: With dead ends: 2823 [2020-07-20 22:07:57,607 INFO L226 Difference]: Without dead ends: 1349 [2020-07-20 22:07:57,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-20 22:07:57,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2020-07-20 22:07:57,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1323. [2020-07-20 22:07:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-07-20 22:07:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1595 transitions. [2020-07-20 22:07:57,674 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1595 transitions. Word has length 214 [2020-07-20 22:07:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:07:57,675 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1595 transitions. [2020-07-20 22:07:57,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 22:07:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1595 transitions. [2020-07-20 22:07:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-20 22:07:57,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:07:57,682 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 22:07:57,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:57,896 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:07:57,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:07:57,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-20 22:07:57,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:07:57,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505406022] [2020-07-20 22:07:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 22:07:58,013 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:07:58,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:07:58,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:07:58,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:07:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-20 22:07:58,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:07:58,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505406022] [2020-07-20 22:07:58,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:07:58,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:07:58,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893349077] [2020-07-20 22:07:58,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:07:58,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:07:58,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:07:58,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:07:58,066 INFO L87 Difference]: Start difference. First operand 1323 states and 1595 transitions. Second operand 3 states. [2020-07-20 22:07:58,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:07:58,368 INFO L93 Difference]: Finished difference Result 1323 states and 1595 transitions. [2020-07-20 22:07:58,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:07:58,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-20 22:07:58,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:07:58,370 INFO L225 Difference]: With dead ends: 1323 [2020-07-20 22:07:58,370 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:07:58,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 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 22:07:58,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:07:58,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:07:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:07:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:07:58,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-20 22:07:58,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:07:58,374 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:07:58,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:07:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:07:58,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:07:58,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:07:58,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:07:59,242 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-07-20 22:07:59,389 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:07:59,390 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= ~a19~0 |old(~a19~0)|)) [2020-07-20 22:07:59,390 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:07:59,390 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 22:07:59,390 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,390 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,390 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 22:07:59,391 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,392 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 22:07:59,393 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 22:07:59,394 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 22:07:59,394 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 22:07:59,394 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 22:07:59,394 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 22:07:59,394 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 22:07:59,394 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-20 22:07:59,394 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 22:07:59,395 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,395 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,395 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,395 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,395 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,395 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 22:07:59,396 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 22:07:59,397 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 22:07:59,398 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 22:07:59,398 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 22:07:59,398 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 22:07:59,398 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 22:07:59,398 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 22:07:59,398 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 22:07:59,398 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,399 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 22:07:59,400 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,401 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 22:07:59,402 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,403 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 22:07:59,404 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 22:07:59,405 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 22:07:59,405 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 22:07:59,405 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 22:07:59,405 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 22:07:59,405 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 22:07:59,405 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 22:07:59,405 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 22:07:59,406 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 |old(~a10~0)|)) (.cse1 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (<= 9 ~a19~0)) (.cse2 (<= 2 ~a10~0)) (.cse4 (not (<= 9 |old(~a19~0)|))) (.cse3 (not (<= 2 |old(~a10~0)|))) (.cse8 (not (<= 23 |old(~a1~0)|))) (.cse7 (and .cse0 .cse1)) (.cse6 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 7)) (and .cse0 (<= ~a19~0 7))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a19~0)| 8)) .cse3) (or .cse4 (and .cse5 .cse0 .cse1) .cse6) (or (not (<= |old(~a10~0)| 0)) .cse7) (or (and .cse5 .cse0 .cse2 (< ~a19~0 10)) (not (< |old(~a19~0)| 10)) .cse4 .cse3) (or .cse8 (<= 23 ~a1~0) .cse6) (or .cse8 .cse7 .cse6)))) [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 22:07:59,407 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 22:07:59,408 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 22:07:59,409 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,410 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 22:07:59,411 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= 23 ~a1~0) (< ~a19~0 10)) [2020-07-20 22:07:59,412 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:07:59,412 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= 23 ~a1~0) (< ~a19~0 10))) [2020-07-20 22:07:59,412 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 22:07:59,413 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-20 22:07:59,413 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 22:07:59,413 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 22:07:59,413 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-20 22:07:59,413 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 22:07:59,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:07:59 BoogieIcfgContainer [2020-07-20 22:07:59,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:07:59,433 INFO L168 Benchmark]: Toolchain (without parser) took 13719.97 ms. Allocated memory was 144.7 MB in the beginning and 402.1 MB in the end (delta: 257.4 MB). Free memory was 100.6 MB in the beginning and 312.5 MB in the end (delta: -211.9 MB). Peak memory consumption was 235.6 MB. Max. memory is 7.1 GB. [2020-07-20 22:07:59,434 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 22:07:59,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.24 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 100.2 MB in the beginning and 170.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:07:59,435 INFO L168 Benchmark]: Boogie Preprocessor took 140.24 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 165.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 22:07:59,436 INFO L168 Benchmark]: RCFGBuilder took 1347.28 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.4 MB in the beginning and 180.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-07-20 22:07:59,437 INFO L168 Benchmark]: TraceAbstraction took 11444.83 ms. Allocated memory was 236.5 MB in the beginning and 402.1 MB in the end (delta: 165.7 MB). Free memory was 180.2 MB in the beginning and 312.5 MB in the end (delta: -132.3 MB). Peak memory consumption was 223.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:07:59,441 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.24 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 100.2 MB in the beginning and 170.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.24 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 165.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1347.28 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.4 MB in the beginning and 180.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11444.83 ms. Allocated memory was 236.5 MB in the beginning and 402.1 MB in the end (delta: 165.7 MB). Free memory was 180.2 MB in the beginning and 312.5 MB in the end (delta: -132.3 MB). Peak memory consumption was 223.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a10 <= 0 || !(23 <= \old(a1))) || !(\old(a19) < 10)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (2 <= a10 && a19 < 10)) || (a10 <= 2 && 23 <= a1)) || (9 <= a19 && a10 <= 2)) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.5s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 635 SDtfs, 1815 SDslu, 148 SDs, 0 SdLazy, 3827 SolverSat, 746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1550 GetRequests, 1524 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1323occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 318 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 98 NumberOfFragments, 256 HoareAnnotationTreeSize, 52 FomulaSimplifications, 1194 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 623 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 631595 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2200 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 925/933 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...