/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 00:23:28,802 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 00:23:28,871 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 [2020-08-19 00:23:28,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 00:23:28,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 00:23:28,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 00:23:28,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 00:23:28,896 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 00:23:28,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 00:23:28,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 00:23:28,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 00:23:28,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 00:23:28,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 00:23:28,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 00:23:28,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 00:23:28,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 00:23:28,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 00:23:28,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 00:23:28,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 00:23:28,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 00:23:28,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 00:23:28,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 00:23:28,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 00:23:28,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 00:23:28,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 00:23:28,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 00:23:28,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 00:23:28,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 00:23:28,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 00:23:28,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 00:23:28,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 00:23:28,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 00:23:28,900 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=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; [2020-08-19 00:23:29,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 00:23:29,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 00:23:29,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 00:23:29,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 00:23:29,226 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 00:23:29,227 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-08-19 00:23:29,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/679f1171e/5c2be83220904e9e88ad7b18f5c8a019/FLAGa786dc214 [2020-08-19 00:23:29,826 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 00:23:29,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-08-19 00:23:29,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/679f1171e/5c2be83220904e9e88ad7b18f5c8a019/FLAGa786dc214 [2020-08-19 00:23:30,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/679f1171e/5c2be83220904e9e88ad7b18f5c8a019 [2020-08-19 00:23:30,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 00:23:30,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 00:23:30,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 00:23:30,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 00:23:30,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 00:23:30,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f667e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30, skipping insertion in model container [2020-08-19 00:23:30,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 00:23:30,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 00:23:30,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:23:30,635 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 00:23:30,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:23:30,898 INFO L208 MainTranslator]: Completed translation [2020-08-19 00:23:30,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30 WrapperNode [2020-08-19 00:23:30,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 00:23:30,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 00:23:30,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 00:23:30,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 00:23:30,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:30,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (1/1) ... [2020-08-19 00:23:31,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 00:23:31,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 00:23:31,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 00:23:31,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 00:23:31,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (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 [2020-08-19 00:23:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 00:23:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 00:23:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 00:23:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 00:23:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 00:23:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 00:23:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 00:23:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 00:23:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 00:23:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 00:23:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 00:23:32,191 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 00:23:32,192 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 00:23:32,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:23:32 BoogieIcfgContainer [2020-08-19 00:23:32,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 00:23:32,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 00:23:32,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 00:23:32,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 00:23:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 12:23:30" (1/3) ... [2020-08-19 00:23:32,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f66cf71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:23:32, skipping insertion in model container [2020-08-19 00:23:32,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:23:30" (2/3) ... [2020-08-19 00:23:32,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f66cf71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:23:32, skipping insertion in model container [2020-08-19 00:23:32,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:23:32" (3/3) ... [2020-08-19 00:23:32,206 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2020-08-19 00:23:32,217 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 00:23:32,225 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 00:23:32,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 00:23:32,266 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 00:23:32,266 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 00:23:32,266 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 00:23:32,267 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 00:23:32,267 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 00:23:32,267 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 00:23:32,267 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 00:23:32,268 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 00:23:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-19 00:23:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-08-19 00:23:32,304 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:32,305 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] [2020-08-19 00:23:32,306 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:32,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:32,312 INFO L82 PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times [2020-08-19 00:23:32,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:32,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31675120] [2020-08-19 00:23:32,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:32,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:23:32,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31675120] [2020-08-19 00:23:32,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:23:32,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 00:23:32,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631100715] [2020-08-19 00:23:32,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 00:23:32,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:32,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 00:23:32,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 00:23:32,928 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-19 00:23:35,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:35,162 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-08-19 00:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 00:23:35,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-08-19 00:23:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:35,185 INFO L225 Difference]: With dead ends: 784 [2020-08-19 00:23:35,185 INFO L226 Difference]: Without dead ends: 480 [2020-08-19 00:23:35,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 00:23:35,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-08-19 00:23:35,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-08-19 00:23:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-08-19 00:23:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-08-19 00:23:35,281 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 104 [2020-08-19 00:23:35,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:35,282 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-08-19 00:23:35,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 00:23:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-08-19 00:23:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-08-19 00:23:35,291 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:35,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-08-19 00:23:35,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 00:23:35,292 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:35,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:35,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1136546274, now seen corresponding path program 1 times [2020-08-19 00:23:35,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:35,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120650745] [2020-08-19 00:23:35,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:35,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:35,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:35,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 00:23:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:35,572 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 00:23:35,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120650745] [2020-08-19 00:23:35,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:35,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 00:23:35,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014867078] [2020-08-19 00:23:35,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 00:23:35,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:35,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 00:23:35,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 00:23:35,576 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 9 states. [2020-08-19 00:23:37,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:37,840 INFO L93 Difference]: Finished difference Result 1392 states and 1936 transitions. [2020-08-19 00:23:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-19 00:23:37,841 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-08-19 00:23:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:37,849 INFO L225 Difference]: With dead ends: 1392 [2020-08-19 00:23:37,849 INFO L226 Difference]: Without dead ends: 925 [2020-08-19 00:23:37,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-19 00:23:37,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-08-19 00:23:37,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 767. [2020-08-19 00:23:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-08-19 00:23:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 972 transitions. [2020-08-19 00:23:37,928 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 972 transitions. Word has length 121 [2020-08-19 00:23:37,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:37,928 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 972 transitions. [2020-08-19 00:23:37,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 00:23:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 972 transitions. [2020-08-19 00:23:37,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-19 00:23:37,933 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:37,933 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-08-19 00:23:37,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 00:23:37,933 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:37,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:37,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1938417574, now seen corresponding path program 1 times [2020-08-19 00:23:37,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:37,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601049841] [2020-08-19 00:23:37,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:38,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:38,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:38,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-19 00:23:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 00:23:38,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601049841] [2020-08-19 00:23:38,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:38,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 00:23:38,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140040614] [2020-08-19 00:23:38,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 00:23:38,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:38,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 00:23:38,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 00:23:38,202 INFO L87 Difference]: Start difference. First operand 767 states and 972 transitions. Second operand 8 states. [2020-08-19 00:23:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:40,547 INFO L93 Difference]: Finished difference Result 2047 states and 2829 transitions. [2020-08-19 00:23:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 00:23:40,548 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2020-08-19 00:23:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:40,564 INFO L225 Difference]: With dead ends: 2047 [2020-08-19 00:23:40,565 INFO L226 Difference]: Without dead ends: 1286 [2020-08-19 00:23:40,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-19 00:23:40,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-08-19 00:23:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1245. [2020-08-19 00:23:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-08-19 00:23:40,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1559 transitions. [2020-08-19 00:23:40,658 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1559 transitions. Word has length 125 [2020-08-19 00:23:40,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:40,659 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1559 transitions. [2020-08-19 00:23:40,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 00:23:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1559 transitions. [2020-08-19 00:23:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-19 00:23:40,664 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:40,665 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:23:40,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 00:23:40,665 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:40,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:40,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1584729076, now seen corresponding path program 1 times [2020-08-19 00:23:40,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:40,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524039204] [2020-08-19 00:23:40,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:40,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-19 00:23:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 00:23:40,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524039204] [2020-08-19 00:23:40,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:40,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 00:23:40,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343928367] [2020-08-19 00:23:40,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 00:23:40,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:40,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 00:23:40,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 00:23:40,886 INFO L87 Difference]: Start difference. First operand 1245 states and 1559 transitions. Second operand 7 states. [2020-08-19 00:23:42,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:42,911 INFO L93 Difference]: Finished difference Result 4321 states and 5977 transitions. [2020-08-19 00:23:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 00:23:42,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-08-19 00:23:42,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:42,937 INFO L225 Difference]: With dead ends: 4321 [2020-08-19 00:23:42,937 INFO L226 Difference]: Without dead ends: 2938 [2020-08-19 00:23:42,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 00:23:42,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2020-08-19 00:23:43,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2616. [2020-08-19 00:23:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2020-08-19 00:23:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 3374 transitions. [2020-08-19 00:23:43,059 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 3374 transitions. Word has length 133 [2020-08-19 00:23:43,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:43,059 INFO L479 AbstractCegarLoop]: Abstraction has 2616 states and 3374 transitions. [2020-08-19 00:23:43,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 00:23:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3374 transitions. [2020-08-19 00:23:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-08-19 00:23:43,072 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:43,073 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, 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] [2020-08-19 00:23:43,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 00:23:43,073 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:43,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:43,074 INFO L82 PathProgramCache]: Analyzing trace with hash -101882562, now seen corresponding path program 1 times [2020-08-19 00:23:43,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:43,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872176321] [2020-08-19 00:23:43,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:43,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:43,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 00:23:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-19 00:23:43,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872176321] [2020-08-19 00:23:43,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:23:43,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 00:23:43,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926974957] [2020-08-19 00:23:43,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 00:23:43,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:43,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 00:23:43,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 00:23:43,263 INFO L87 Difference]: Start difference. First operand 2616 states and 3374 transitions. Second operand 5 states. [2020-08-19 00:23:44,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:44,291 INFO L93 Difference]: Finished difference Result 6252 states and 8223 transitions. [2020-08-19 00:23:44,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 00:23:44,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-08-19 00:23:44,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:44,324 INFO L225 Difference]: With dead ends: 6252 [2020-08-19 00:23:44,325 INFO L226 Difference]: Without dead ends: 3786 [2020-08-19 00:23:44,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-19 00:23:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2020-08-19 00:23:44,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 2902. [2020-08-19 00:23:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2902 states. [2020-08-19 00:23:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 3821 transitions. [2020-08-19 00:23:44,502 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 3821 transitions. Word has length 184 [2020-08-19 00:23:44,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:44,503 INFO L479 AbstractCegarLoop]: Abstraction has 2902 states and 3821 transitions. [2020-08-19 00:23:44,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 00:23:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3821 transitions. [2020-08-19 00:23:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-08-19 00:23:44,523 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:44,524 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:23:44,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 00:23:44,524 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:44,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:44,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1769483848, now seen corresponding path program 1 times [2020-08-19 00:23:44,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:44,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588674466] [2020-08-19 00:23:44,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:44,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:44,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-19 00:23:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 00:23:44,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588674466] [2020-08-19 00:23:44,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:44,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 00:23:44,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425265498] [2020-08-19 00:23:44,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 00:23:44,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:44,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 00:23:44,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-19 00:23:44,984 INFO L87 Difference]: Start difference. First operand 2902 states and 3821 transitions. Second operand 11 states. [2020-08-19 00:23:45,724 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-08-19 00:23:45,962 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2020-08-19 00:23:46,241 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-08-19 00:23:46,630 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-08-19 00:23:47,532 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-08-19 00:23:48,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:48,659 INFO L93 Difference]: Finished difference Result 5811 states and 7675 transitions. [2020-08-19 00:23:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-19 00:23:48,659 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2020-08-19 00:23:48,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:48,678 INFO L225 Difference]: With dead ends: 5811 [2020-08-19 00:23:48,678 INFO L226 Difference]: Without dead ends: 3059 [2020-08-19 00:23:48,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=245, Invalid=685, Unknown=0, NotChecked=0, Total=930 [2020-08-19 00:23:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2020-08-19 00:23:48,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 2901. [2020-08-19 00:23:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2901 states. [2020-08-19 00:23:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3758 transitions. [2020-08-19 00:23:48,780 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3758 transitions. Word has length 185 [2020-08-19 00:23:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:48,781 INFO L479 AbstractCegarLoop]: Abstraction has 2901 states and 3758 transitions. [2020-08-19 00:23:48,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 00:23:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3758 transitions. [2020-08-19 00:23:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-19 00:23:48,795 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:48,795 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:23:48,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 00:23:48,796 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:48,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:48,796 INFO L82 PathProgramCache]: Analyzing trace with hash 941817515, now seen corresponding path program 1 times [2020-08-19 00:23:48,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:48,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854497914] [2020-08-19 00:23:48,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:48,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 00:23:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 00:23:49,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854497914] [2020-08-19 00:23:49,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:49,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 00:23:49,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587020417] [2020-08-19 00:23:49,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 00:23:49,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:49,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 00:23:49,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 00:23:49,059 INFO L87 Difference]: Start difference. First operand 2901 states and 3758 transitions. Second operand 7 states. [2020-08-19 00:23:50,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:50,951 INFO L93 Difference]: Finished difference Result 6209 states and 7806 transitions. [2020-08-19 00:23:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 00:23:50,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-19 00:23:50,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:50,960 INFO L225 Difference]: With dead ends: 6209 [2020-08-19 00:23:50,960 INFO L226 Difference]: Without dead ends: 1798 [2020-08-19 00:23:50,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-19 00:23:50,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2020-08-19 00:23:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1794. [2020-08-19 00:23:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2020-08-19 00:23:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 1992 transitions. [2020-08-19 00:23:51,019 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 1992 transitions. Word has length 195 [2020-08-19 00:23:51,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:51,019 INFO L479 AbstractCegarLoop]: Abstraction has 1794 states and 1992 transitions. [2020-08-19 00:23:51,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 00:23:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 1992 transitions. [2020-08-19 00:23:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-08-19 00:23:51,026 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:51,026 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:23:51,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 00:23:51,026 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:51,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1480861463, now seen corresponding path program 1 times [2020-08-19 00:23:51,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:51,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652234071] [2020-08-19 00:23:51,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:51,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:51,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:51,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 00:23:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:51,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 00:23:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 153 proven. 38 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-08-19 00:23:51,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652234071] [2020-08-19 00:23:51,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:51,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 00:23:51,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554291452] [2020-08-19 00:23:51,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 00:23:51,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:51,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 00:23:51,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 00:23:51,466 INFO L87 Difference]: Start difference. First operand 1794 states and 1992 transitions. Second operand 10 states. [2020-08-19 00:23:53,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:53,395 INFO L93 Difference]: Finished difference Result 3586 states and 3994 transitions. [2020-08-19 00:23:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 00:23:53,396 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2020-08-19 00:23:53,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:53,401 INFO L225 Difference]: With dead ends: 3586 [2020-08-19 00:23:53,401 INFO L226 Difference]: Without dead ends: 1186 [2020-08-19 00:23:53,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-08-19 00:23:53,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-08-19 00:23:53,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2020-08-19 00:23:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-08-19 00:23:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1238 transitions. [2020-08-19 00:23:53,443 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1238 transitions. Word has length 234 [2020-08-19 00:23:53,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:53,447 INFO L479 AbstractCegarLoop]: Abstraction has 1186 states and 1238 transitions. [2020-08-19 00:23:53,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 00:23:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1238 transitions. [2020-08-19 00:23:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-08-19 00:23:53,452 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:53,452 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 00:23:53,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 00:23:53,453 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:53,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1005268435, now seen corresponding path program 1 times [2020-08-19 00:23:53,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:53,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354047957] [2020-08-19 00:23:53,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:53,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:53,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-19 00:23:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:53,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-19 00:23:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 237 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-08-19 00:23:53,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354047957] [2020-08-19 00:23:53,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:53,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 00:23:53,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637097458] [2020-08-19 00:23:53,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 00:23:53,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:53,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 00:23:53,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-19 00:23:53,953 INFO L87 Difference]: Start difference. First operand 1186 states and 1238 transitions. Second operand 10 states. [2020-08-19 00:23:54,993 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-08-19 00:23:55,230 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-08-19 00:23:56,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:56,339 INFO L93 Difference]: Finished difference Result 1774 states and 1847 transitions. [2020-08-19 00:23:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 00:23:56,339 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 257 [2020-08-19 00:23:56,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:56,344 INFO L225 Difference]: With dead ends: 1774 [2020-08-19 00:23:56,345 INFO L226 Difference]: Without dead ends: 1186 [2020-08-19 00:23:56,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2020-08-19 00:23:56,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-08-19 00:23:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2020-08-19 00:23:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-08-19 00:23:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1234 transitions. [2020-08-19 00:23:56,376 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1234 transitions. Word has length 257 [2020-08-19 00:23:56,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:56,377 INFO L479 AbstractCegarLoop]: Abstraction has 1186 states and 1234 transitions. [2020-08-19 00:23:56,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 00:23:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1234 transitions. [2020-08-19 00:23:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-08-19 00:23:56,382 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:23:56,383 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 00:23:56,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 00:23:56,383 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:23:56,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:23:56,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1238015656, now seen corresponding path program 1 times [2020-08-19 00:23:56,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:23:56,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545047803] [2020-08-19 00:23:56,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:23:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:56,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:23:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:56,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 00:23:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:56,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-19 00:23:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-19 00:23:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-19 00:23:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:23:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 271 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-08-19 00:23:56,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545047803] [2020-08-19 00:23:56,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 00:23:56,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 00:23:56,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820229282] [2020-08-19 00:23:56,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 00:23:56,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:23:56,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 00:23:56,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 00:23:56,729 INFO L87 Difference]: Start difference. First operand 1186 states and 1234 transitions. Second operand 7 states. [2020-08-19 00:23:57,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:23:57,508 INFO L93 Difference]: Finished difference Result 1924 states and 2009 transitions. [2020-08-19 00:23:57,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 00:23:57,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2020-08-19 00:23:57,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:23:57,509 INFO L225 Difference]: With dead ends: 1924 [2020-08-19 00:23:57,509 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 00:23:57,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-19 00:23:57,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 00:23:57,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 00:23:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 00:23:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 00:23:57,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-08-19 00:23:57,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:23:57,514 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 00:23:57,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 00:23:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 00:23:57,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 00:23:57,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 00:23:57,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 00:23:58,108 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 127 [2020-08-19 00:23:58,257 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 127 [2020-08-19 00:23:59,259 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 62 [2020-08-19 00:23:59,816 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2020-08-19 00:24:00,299 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2020-08-19 00:24:00,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:24:00,303 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-19 00:24:00,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:24:00,304 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,304 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,305 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,305 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,305 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,305 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-19 00:24:00,305 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-19 00:24:00,306 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-19 00:24:00,306 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-19 00:24:00,306 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-19 00:24:00,306 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-19 00:24:00,306 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-19 00:24:00,306 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,307 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,308 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-19 00:24:00,308 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,308 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-19 00:24:00,308 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-19 00:24:00,308 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-19 00:24:00,308 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-19 00:24:00,308 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-19 00:24:00,309 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-19 00:24:00,309 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-19 00:24:00,309 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-19 00:24:00,309 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-19 00:24:00,309 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-19 00:24:00,309 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-19 00:24:00,310 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-19 00:24:00,310 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-19 00:24:00,310 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-19 00:24:00,310 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-19 00:24:00,310 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,312 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,312 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,312 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,312 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,312 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466) no Hoare annotation was computed. [2020-08-19 00:24:00,312 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-19 00:24:00,313 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-19 00:24:00,314 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-19 00:24:00,315 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-19 00:24:00,316 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-19 00:24:00,317 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-19 00:24:00,318 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,319 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,320 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,320 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-19 00:24:00,320 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,320 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-19 00:24:00,320 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,320 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-19 00:24:00,321 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-19 00:24:00,321 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-19 00:24:00,321 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,321 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,321 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-19 00:24:00,321 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-19 00:24:00,322 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-19 00:24:00,323 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,324 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-19 00:24:00,325 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-19 00:24:00,326 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-19 00:24:00,327 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,327 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,327 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,328 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a25~0 |old(~a25~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= |old(~a19~0)| 1))) (let ((.cse4 (not (= |old(~a25~0)| 1))) (.cse10 (not (<= |old(~a28~0)| 7))) (.cse8 (= ~a25~0 1)) (.cse1 (not .cse14)) (.cse7 (= ~a17~0 8)) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse2 (and .cse5 .cse12 .cse6 .cse13 .cse11)) (.cse3 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 9 |old(~a28~0)|))) (or .cse4 .cse1 (and .cse5 .cse6 (= ~a19~0 1) .cse7 .cse8) .cse9 .cse3) (or .cse10 .cse0 .cse2 .cse3) (or .cse4 (not (= 10 |old(~a28~0)|)) .cse9 (and .cse6 .cse7 .cse8 .cse11 (= ~a28~0 10)) .cse3) (or .cse4 .cse10 .cse0 (and .cse5 .cse12 .cse6 .cse8 .cse11) .cse1) (or (and .cse6 .cse13 .cse7 (= ~a28~0 8) .cse11) .cse14 .cse9 .cse3 (not (= 8 |old(~a28~0)|))) (or .cse0 .cse2 .cse3 (not (= |old(~a11~0)| 1)))))) [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-19 00:24:00,329 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,330 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-19 00:24:00,331 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-19 00:24:00,332 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 00:24:00,333 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-19 00:24:00,334 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-19 00:24:00,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:24:00,336 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 1)) (<= ~a28~0 7) (<= ~a17~0 8) (not (= ~a25~0 1))) [2020-08-19 00:24:00,336 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 00:24:00,336 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:24:00,336 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (= |old(~a25~0)| 1) (= |old(~a11~0)| 1) (not (= ~a21~0 1))) [2020-08-19 00:24:00,336 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse7 (not .cse5)) (.cse1 (<= ~a28~0 7)) (.cse6 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and (= ~a11~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse0) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a25~0 |old(~a25~0)|)) (and .cse4 .cse6 .cse7 (= ~a28~0 8)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and .cse4 .cse7 .cse1 .cse2) (and .cse4 .cse6 .cse0 (= ~a28~0 10)) (and .cse4 (<= 9 ~a28~0) .cse2 .cse3)))) [2020-08-19 00:24:00,337 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-19 00:24:00,337 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-19 00:24:00,337 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse7 (not .cse5)) (.cse1 (<= ~a28~0 7)) (.cse6 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and (= ~a11~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse0) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a25~0 |old(~a25~0)|)) (and .cse4 .cse6 .cse7 (= ~a28~0 8)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and .cse4 .cse7 .cse1 .cse2) (and .cse4 .cse6 .cse0 (= ~a28~0 10)) (and .cse4 (<= 9 ~a28~0) .cse2 .cse3)))) [2020-08-19 00:24:00,337 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-19 00:24:00,337 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-19 00:24:00,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 12:24:00 BoogieIcfgContainer [2020-08-19 00:24:00,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 00:24:00,383 INFO L168 Benchmark]: Toolchain (without parser) took 30275.63 ms. Allocated memory was 147.8 MB in the beginning and 597.7 MB in the end (delta: 449.8 MB). Free memory was 102.1 MB in the beginning and 426.1 MB in the end (delta: -324.0 MB). Peak memory consumption was 463.2 MB. Max. memory is 7.1 GB. [2020-08-19 00:24:00,385 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 00:24:00,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.70 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 172.7 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-08-19 00:24:00,386 INFO L168 Benchmark]: Boogie Preprocessor took 105.87 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-19 00:24:00,390 INFO L168 Benchmark]: RCFGBuilder took 1192.63 ms. Allocated memory was 206.0 MB in the beginning and 240.6 MB in the end (delta: 34.6 MB). Free memory was 167.8 MB in the beginning and 184.4 MB in the end (delta: -16.6 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-08-19 00:24:00,391 INFO L168 Benchmark]: TraceAbstraction took 28181.72 ms. Allocated memory was 240.6 MB in the beginning and 597.7 MB in the end (delta: 357.0 MB). Free memory was 182.9 MB in the beginning and 426.1 MB in the end (delta: -243.2 MB). Peak memory consumption was 451.2 MB. Max. memory is 7.1 GB. [2020-08-19 00:24:00,396 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 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.70 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 172.7 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.87 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.63 ms. Allocated memory was 206.0 MB in the beginning and 240.6 MB in the end (delta: 34.6 MB). Free memory was 167.8 MB in the beginning and 184.4 MB in the end (delta: -16.6 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28181.72 ms. Allocated memory was 240.6 MB in the beginning and 597.7 MB in the end (delta: 357.0 MB). Free memory was 182.9 MB in the beginning and 426.1 MB in the end (delta: -243.2 MB). Peak memory consumption was 451.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 466]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((a25 == 1 && a28 <= 7) && a17 <= 8) && a19 == \old(a19)) || !(\old(a19) == 1)) || \old(a25) == 1) || (a11 == 1 && a17 <= 8)) || (((a11 == \old(a11) && a19 == 1) && a17 == 8) && a25 == 1)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || (((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25))) || (((a11 == \old(a11) && a17 == 8) && !(a19 == 1)) && a28 == 8)) || \old(a11) == 1) || !(a21 == 1)) || (((a11 == \old(a11) && !(a19 == 1)) && a28 <= 7) && a17 <= 8)) || (((a11 == \old(a11) && a17 == 8) && a25 == 1) && a28 == 10)) || (((a11 == \old(a11) && 9 <= a28) && a17 <= 8) && a19 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 400 SDtfs, 6892 SDslu, 594 SDs, 0 SdLazy, 11435 SolverSat, 1773 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2902occurred 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1574 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 158 PreInvPairs, 214 NumberOfFragments, 582 HoareAnnotationTreeSize, 158 FomulaSimplifications, 99268 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6438 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1815 NumberOfCodeBlocks, 1815 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1805 ConstructedInterpolants, 0 QuantifiedInterpolants, 1072296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 1168/1225 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...