/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:45:49,712 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 22:45:49,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:45:49,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:45:49,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:45:49,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 22:45:49,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:45:49,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:45:49,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:45:49,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:45:49,870 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:45:49,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:45:49,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:45:49,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:45:49,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:45:49,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:45:49,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:45:49,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:45:49,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:45:49,873 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:45:49,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:45:49,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:45:49,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:45:49,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:45:49,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:45:49,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:45:49,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:45:49,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:45:49,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:45:49,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:45:49,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:45:49,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:45:49,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:45:49,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:45:49,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:45:49,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:45:50,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:45:50,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:45:50,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:45:50,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:45:50,263 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:45:50,263 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2020-08-18 22:45:50,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e12054c/195dc71b2e294c408253774aea87edd4/FLAG92352faca [2020-08-18 22:45:50,942 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:45:50,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2020-08-18 22:45:50,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e12054c/195dc71b2e294c408253774aea87edd4/FLAG92352faca [2020-08-18 22:45:51,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3e12054c/195dc71b2e294c408253774aea87edd4 [2020-08-18 22:45:51,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:45:51,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:45:51,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:45:51,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:45:51,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:45:51,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:51,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72532b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51, skipping insertion in model container [2020-08-18 22:45:51,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:51,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:45:51,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:45:51,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:45:51,735 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 22:45:51,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:45:51,994 INFO L208 MainTranslator]: Completed translation [2020-08-18 22:45:51,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51 WrapperNode [2020-08-18 22:45:51,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:45:51,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 22:45:51,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 22:45:51,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 22:45:52,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:52,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:52,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:52,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:52,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:52,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:52,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... [2020-08-18 22:45:52,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 22:45:52,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 22:45:52,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 22:45:52,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 22:45:52,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:45:52,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 22:45:52,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 22:45:52,215 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 22:45:52,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 22:45:52,216 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 22:45:52,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 22:45:52,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 22:45:52,216 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 22:45:52,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 22:45:52,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 22:45:52,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 22:45:53,377 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 22:45:53,378 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 22:45:53,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:45:53 BoogieIcfgContainer [2020-08-18 22:45:53,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 22:45:53,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 22:45:53,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 22:45:53,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 22:45:53,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:45:51" (1/3) ... [2020-08-18 22:45:53,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303c4ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:45:53, skipping insertion in model container [2020-08-18 22:45:53,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:45:51" (2/3) ... [2020-08-18 22:45:53,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303c4ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:45:53, skipping insertion in model container [2020-08-18 22:45:53,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:45:53" (3/3) ... [2020-08-18 22:45:53,392 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label55.c [2020-08-18 22:45:53,401 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 22:45:53,409 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 22:45:53,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 22:45:53,447 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 22:45:53,447 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 22:45:53,448 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 22:45:53,448 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 22:45:53,448 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 22:45:53,448 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 22:45:53,449 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 22:45:53,449 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 22:45:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-18 22:45:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-08-18 22:45:53,485 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:45:53,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:45:53,487 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:45:53,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:45:53,493 INFO L82 PathProgramCache]: Analyzing trace with hash -462333177, now seen corresponding path program 1 times [2020-08-18 22:45:53,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:45:53,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132665630] [2020-08-18 22:45:53,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:45:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:54,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:45:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:45:54,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132665630] [2020-08-18 22:45:54,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:45:54,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 22:45:54,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525863389] [2020-08-18 22:45:54,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:45:54,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:45:54,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:45:54,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:45:54,189 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-18 22:45:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:45:56,531 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-08-18 22:45:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 22:45:56,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-08-18 22:45:56,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:45:56,551 INFO L225 Difference]: With dead ends: 698 [2020-08-18 22:45:56,551 INFO L226 Difference]: Without dead ends: 423 [2020-08-18 22:45:56,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 22:45:56,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-18 22:45:56,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-18 22:45:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-18 22:45:56,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 603 transitions. [2020-08-18 22:45:56,637 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 603 transitions. Word has length 117 [2020-08-18 22:45:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:45:56,638 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 603 transitions. [2020-08-18 22:45:56,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:45:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 603 transitions. [2020-08-18 22:45:56,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-18 22:45:56,644 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:45:56,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:45:56,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 22:45:56,645 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:45:56,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:45:56,646 INFO L82 PathProgramCache]: Analyzing trace with hash -914861798, now seen corresponding path program 1 times [2020-08-18 22:45:56,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:45:56,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209789041] [2020-08-18 22:45:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:45:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:45:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:56,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:45:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:45:56,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209789041] [2020-08-18 22:45:56,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:45:56,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 22:45:56,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083393660] [2020-08-18 22:45:56,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:45:56,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:45:56,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:45:56,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:45:56,945 INFO L87 Difference]: Start difference. First operand 417 states and 603 transitions. Second operand 5 states. [2020-08-18 22:45:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:45:58,100 INFO L93 Difference]: Finished difference Result 1245 states and 1837 transitions. [2020-08-18 22:45:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:45:58,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-08-18 22:45:58,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:45:58,108 INFO L225 Difference]: With dead ends: 1245 [2020-08-18 22:45:58,109 INFO L226 Difference]: Without dead ends: 834 [2020-08-18 22:45:58,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 22:45:58,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-08-18 22:45:58,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 693. [2020-08-18 22:45:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-08-18 22:45:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 960 transitions. [2020-08-18 22:45:58,192 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 960 transitions. Word has length 134 [2020-08-18 22:45:58,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:45:58,192 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 960 transitions. [2020-08-18 22:45:58,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:45:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 960 transitions. [2020-08-18 22:45:58,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-08-18 22:45:58,202 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:45:58,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:45:58,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 22:45:58,203 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:45:58,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:45:58,207 INFO L82 PathProgramCache]: Analyzing trace with hash 147030247, now seen corresponding path program 1 times [2020-08-18 22:45:58,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:45:58,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237261908] [2020-08-18 22:45:58,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:45:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:58,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:45:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:58,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:45:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:58,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-18 22:45:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:45:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 22:45:58,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237261908] [2020-08-18 22:45:58,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:45:58,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 22:45:58,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644099177] [2020-08-18 22:45:58,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 22:45:58,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:45:58,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 22:45:58,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 22:45:58,484 INFO L87 Difference]: Start difference. First operand 693 states and 960 transitions. Second operand 7 states. [2020-08-18 22:45:59,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:45:59,830 INFO L93 Difference]: Finished difference Result 1690 states and 2417 transitions. [2020-08-18 22:45:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 22:45:59,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-08-18 22:45:59,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:45:59,838 INFO L225 Difference]: With dead ends: 1690 [2020-08-18 22:45:59,838 INFO L226 Difference]: Without dead ends: 1003 [2020-08-18 22:45:59,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-18 22:45:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-08-18 22:45:59,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 838. [2020-08-18 22:45:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-08-18 22:45:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1143 transitions. [2020-08-18 22:45:59,887 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1143 transitions. Word has length 171 [2020-08-18 22:45:59,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:45:59,888 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 1143 transitions. [2020-08-18 22:45:59,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 22:45:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1143 transitions. [2020-08-18 22:45:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-08-18 22:45:59,895 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:45:59,895 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:45:59,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 22:45:59,895 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:45:59,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:45:59,896 INFO L82 PathProgramCache]: Analyzing trace with hash 2131287135, now seen corresponding path program 1 times [2020-08-18 22:45:59,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:45:59,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510390531] [2020-08-18 22:45:59,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:45:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:46:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 22:46:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-18 22:46:00,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510390531] [2020-08-18 22:46:00,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:46:00,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 22:46:00,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022755742] [2020-08-18 22:46:00,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:46:00,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:00,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:46:00,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:46:00,247 INFO L87 Difference]: Start difference. First operand 838 states and 1143 transitions. Second operand 5 states. [2020-08-18 22:46:01,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:01,868 INFO L93 Difference]: Finished difference Result 2226 states and 3078 transitions. [2020-08-18 22:46:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:46:01,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2020-08-18 22:46:01,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:01,887 INFO L225 Difference]: With dead ends: 2226 [2020-08-18 22:46:01,887 INFO L226 Difference]: Without dead ends: 1394 [2020-08-18 22:46:01,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 22:46:01,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-08-18 22:46:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1118. [2020-08-18 22:46:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-08-18 22:46:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1445 transitions. [2020-08-18 22:46:01,973 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1445 transitions. Word has length 175 [2020-08-18 22:46:01,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:01,974 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1445 transitions. [2020-08-18 22:46:01,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:46:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1445 transitions. [2020-08-18 22:46:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-08-18 22:46:01,981 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:46:01,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 22:46:01,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 22:46:01,982 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:46:01,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:46:01,983 INFO L82 PathProgramCache]: Analyzing trace with hash 969001610, now seen corresponding path program 1 times [2020-08-18 22:46:01,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:46:01,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701942058] [2020-08-18 22:46:01,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:46:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:02,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:46:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:46:02,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701942058] [2020-08-18 22:46:02,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:46:02,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 22:46:02,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967590096] [2020-08-18 22:46:02,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:46:02,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:02,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:46:02,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:46:02,248 INFO L87 Difference]: Start difference. First operand 1118 states and 1445 transitions. Second operand 5 states. [2020-08-18 22:46:03,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:03,461 INFO L93 Difference]: Finished difference Result 2921 states and 3799 transitions. [2020-08-18 22:46:03,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 22:46:03,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2020-08-18 22:46:03,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:03,481 INFO L225 Difference]: With dead ends: 2921 [2020-08-18 22:46:03,482 INFO L226 Difference]: Without dead ends: 1809 [2020-08-18 22:46:03,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 22:46:03,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2020-08-18 22:46:03,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1122. [2020-08-18 22:46:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-08-18 22:46:03,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1372 transitions. [2020-08-18 22:46:03,548 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1372 transitions. Word has length 190 [2020-08-18 22:46:03,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:03,549 INFO L479 AbstractCegarLoop]: Abstraction has 1122 states and 1372 transitions. [2020-08-18 22:46:03,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:46:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1372 transitions. [2020-08-18 22:46:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-18 22:46:03,556 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:46:03,556 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 22:46:03,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 22:46:03,557 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:46:03,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:46:03,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2106852393, now seen corresponding path program 1 times [2020-08-18 22:46:03,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:46:03,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417037895] [2020-08-18 22:46:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:46:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:46:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 22:46:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:03,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 22:46:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:46:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-18 22:46:03,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417037895] [2020-08-18 22:46:03,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 22:46:03,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 22:46:03,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491383872] [2020-08-18 22:46:03,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 22:46:03,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:46:03,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 22:46:03,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 22:46:03,887 INFO L87 Difference]: Start difference. First operand 1122 states and 1372 transitions. Second operand 8 states. [2020-08-18 22:46:06,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:46:06,280 INFO L93 Difference]: Finished difference Result 3058 states and 3759 transitions. [2020-08-18 22:46:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 22:46:06,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 202 [2020-08-18 22:46:06,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:46:06,282 INFO L225 Difference]: With dead ends: 3058 [2020-08-18 22:46:06,282 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 22:46:06,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-08-18 22:46:06,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 22:46:06,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 22:46:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 22:46:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 22:46:06,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2020-08-18 22:46:06,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:46:06,289 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 22:46:06,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 22:46:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 22:46:06,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 22:46:06,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 22:46:06,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 22:46:07,482 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2020-08-18 22:46:07,641 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-08-18 22:46:07,771 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-08-18 22:46:07,776 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:46:07,777 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-18 22:46:07,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:46:07,777 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-18 22:46:07,777 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-18 22:46:07,778 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,778 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,778 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,778 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,778 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,778 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,779 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-18 22:46:07,779 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-18 22:46:07,779 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 22:46:07,779 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 22:46:07,779 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-18 22:46:07,779 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 22:46:07,779 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,780 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-18 22:46:07,781 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-18 22:46:07,782 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-18 22:46:07,783 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,784 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 22:46:07,785 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-18 22:46:07,786 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-18 22:46:07,787 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,788 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-18 22:46:07,789 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-18 22:46:07,790 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-18 22:46:07,791 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-18 22:46:07,791 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,791 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,791 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,791 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,791 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,791 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-18 22:46:07,792 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-18 22:46:07,793 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse8 (= ~a8~0 |old(~a8~0)|))) (let ((.cse1 (not (= |old(~a20~0)| 1))) (.cse0 (not (= |old(~a7~0)| 1))) (.cse10 (not (= 4 |old(~a16~0)|))) (.cse2 (and .cse4 .cse5 .cse6 .cse7 (= ~a16~0 |old(~a16~0)|) .cse8)) (.cse9 (not (= |old(~a21~0)| 1))) (.cse3 (not (= ~a12~0 8)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6 .cse7 .cse8 (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) .cse9 .cse3) (or (and .cse4 .cse5 .cse6 .cse7 .cse8 (= ~a16~0 4)) .cse9 .cse10 .cse3) (or (= 6 |old(~a16~0)|) .cse0 .cse2 .cse9 .cse3) (or .cse1 .cse2 .cse9 .cse3) (or .cse0 .cse2 (= 14 |old(~a8~0)|) .cse3 .cse10) (or (not (<= 15 |old(~a8~0)|)) .cse2 .cse9 .cse3)))) [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-18 22:46:07,794 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-18 22:46:07,795 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-18 22:46:07,796 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,797 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-18 22:46:07,798 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:46:07,799 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) (= 5 ~a16~0) (<= 15 ~a8~0)) [2020-08-18 22:46:07,799 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 22:46:07,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:46:07,799 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8))) [2020-08-18 22:46:07,799 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-18 22:46:07,799 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= ~a16~0 4)) (.cse2 (= ~a7~0 1)) (.cse0 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 (= 5 ~a16~0)) (and .cse0 .cse1) (and .cse0 .cse2 (not (= ~a16~0 6))) (and .cse0 (<= 15 ~a8~0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse2 (not (= 14 ~a8~0)) .cse1) (and .cse2 .cse3) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse3) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8)))) [2020-08-18 22:46:07,800 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-18 22:46:07,800 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 22:46:07,800 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a16~0 4)) (.cse2 (= ~a7~0 1)) (.cse0 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 (= 5 ~a16~0)) (and .cse0 .cse1) (and .cse0 .cse2 (not (= ~a16~0 6))) (and .cse0 (<= 15 ~a8~0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse2 (not (= 14 ~a8~0)) .cse1) (and .cse2 .cse3) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse3) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8)))) [2020-08-18 22:46:07,800 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-18 22:46:07,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:46:07 BoogieIcfgContainer [2020-08-18 22:46:07,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 22:46:07,828 INFO L168 Benchmark]: Toolchain (without parser) took 16620.27 ms. Allocated memory was 149.9 MB in the beginning and 421.0 MB in the end (delta: 271.1 MB). Free memory was 102.5 MB in the beginning and 241.5 MB in the end (delta: -139.0 MB). Peak memory consumption was 278.7 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:07,829 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 149.9 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 22:46:07,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.77 ms. Allocated memory was 149.9 MB in the beginning and 207.1 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 173.4 MB in the end (delta: -71.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:07,831 INFO L168 Benchmark]: Boogie Preprocessor took 146.86 ms. Allocated memory is still 207.1 MB. Free memory was 173.4 MB in the beginning and 168.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:07,832 INFO L168 Benchmark]: RCFGBuilder took 1240.26 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 168.3 MB in the beginning and 170.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:07,833 INFO L168 Benchmark]: TraceAbstraction took 14441.19 ms. Allocated memory was 233.8 MB in the beginning and 421.0 MB in the end (delta: 187.2 MB). Free memory was 170.2 MB in the beginning and 241.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 262.5 MB. Max. memory is 7.1 GB. [2020-08-18 22:46:07,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 149.9 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 786.77 ms. Allocated memory was 149.9 MB in the beginning and 207.1 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 173.4 MB in the end (delta: -71.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.86 ms. Allocated memory is still 207.1 MB. Free memory was 173.4 MB in the beginning and 168.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.26 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 168.3 MB in the beginning and 170.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14441.19 ms. Allocated memory was 233.8 MB in the beginning and 421.0 MB in the end (delta: 187.2 MB). Free memory was 170.2 MB in the beginning and 241.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 262.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((a21 == 1 && 5 == a16) || (a21 == 1 && a16 == 4)) || ((a21 == 1 && a7 == 1) && !(a16 == 6))) || (a21 == 1 && 15 <= a8)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || ((a7 == 1 && !(14 == a8)) && a16 == 4)) || (a7 == 1 && a20 == 1)) || !(5 == \old(a16))) || (a21 == 1 && a20 == 1)) || !(\old(a21) == 1)) || !(a12 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 3005 SDslu, 157 SDs, 0 SdLazy, 4524 SolverSat, 1218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1122occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1275 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 82 NumberOfFragments, 502 HoareAnnotationTreeSize, 52 FomulaSimplifications, 40486 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1820 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 989 NumberOfCodeBlocks, 989 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 983 ConstructedInterpolants, 0 QuantifiedInterpolants, 503367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 287/304 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...