/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:58:41,071 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 14:58:41,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:58:41,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:58:41,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:58:41,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:58:41,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:58:41,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:58:41,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:58:41,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:58:41,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:58:41,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:58:41,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:58:41,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:58:41,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 14:58:41,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:58:41,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:58:41,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:58:41,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 14:58:41,181 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:58:41,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:58:41,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:58:41,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:58:41,187 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:58:41,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:58:41,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:58:41,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:58:41,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:58:41,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:58:41,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:58:41,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:58:41,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:58:41,189 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:58:41,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:58:41,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:58:41,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:58:41,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:58:41,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:58:41,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:58:41,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:58:41,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:58:41,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:58:41,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:58:41,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:58:41,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:58:41,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:58:41,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:58:41,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:58:41,196 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:58:41,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:58:41,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:58:41,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:58:41,530 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:58:41,531 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:58:41,531 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-08-21 14:58:41,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d52c32dfd/2d1f1a366e964d558e2950d751fbd313/FLAGf1b1c28ee [2020-08-21 14:58:42,169 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:58:42,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-08-21 14:58:42,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d52c32dfd/2d1f1a366e964d558e2950d751fbd313/FLAGf1b1c28ee [2020-08-21 14:58:42,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d52c32dfd/2d1f1a366e964d558e2950d751fbd313 [2020-08-21 14:58:42,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:58:42,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:58:42,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:58:42,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:58:42,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:58:42,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:58:42" (1/1) ... [2020-08-21 14:58:42,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72dcb5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:42, skipping insertion in model container [2020-08-21 14:58:42,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:58:42" (1/1) ... [2020-08-21 14:58:42,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:58:42,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:58:43,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:58:43,150 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:58:43,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:58:43,297 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:58:43,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43 WrapperNode [2020-08-21 14:58:43,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:58:43,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:58:43,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:58:43,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:58:43,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... [2020-08-21 14:58:43,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... [2020-08-21 14:58:43,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... [2020-08-21 14:58:43,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... [2020-08-21 14:58:43,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... [2020-08-21 14:58:43,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... [2020-08-21 14:58:43,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... [2020-08-21 14:58:43,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:58:43,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:58:43,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:58:43,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:58:43,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:58:43,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:58:43,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:58:43,528 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 14:58:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:58:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 14:58:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:58:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:58:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 14:58:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:58:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:58:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:58:44,773 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:58:44,773 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 14:58:44,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:58:44 BoogieIcfgContainer [2020-08-21 14:58:44,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:58:44,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:58:44,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:58:44,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:58:44,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:58:42" (1/3) ... [2020-08-21 14:58:44,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a0a6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:58:44, skipping insertion in model container [2020-08-21 14:58:44,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:58:43" (2/3) ... [2020-08-21 14:58:44,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a0a6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:58:44, skipping insertion in model container [2020-08-21 14:58:44,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:58:44" (3/3) ... [2020-08-21 14:58:44,796 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2020-08-21 14:58:44,807 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:58:44,818 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:58:44,833 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:58:44,871 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:58:44,872 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:58:44,873 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:58:44,873 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:58:44,873 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:58:44,873 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:58:44,874 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:58:44,874 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:58:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 14:58:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-08-21 14:58:44,928 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:44,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:44,930 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:44,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:44,937 INFO L82 PathProgramCache]: Analyzing trace with hash -421614983, now seen corresponding path program 1 times [2020-08-21 14:58:44,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:44,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673851863] [2020-08-21 14:58:44,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:58:45,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673851863] [2020-08-21 14:58:45,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:58:45,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:58:45,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066267343] [2020-08-21 14:58:45,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:58:45,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:45,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:58:45,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:58:45,646 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 14:58:48,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:48,008 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-08-21 14:58:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:58:48,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-08-21 14:58:48,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:48,031 INFO L225 Difference]: With dead ends: 784 [2020-08-21 14:58:48,031 INFO L226 Difference]: Without dead ends: 480 [2020-08-21 14:58:48,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:58:48,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-08-21 14:58:48,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-08-21 14:58:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-08-21 14:58:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-08-21 14:58:48,134 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 147 [2020-08-21 14:58:48,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:48,135 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-08-21 14:58:48,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:58:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-08-21 14:58:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-08-21 14:58:48,142 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:48,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:48,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:58:48,143 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:48,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:48,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1751354861, now seen corresponding path program 1 times [2020-08-21 14:58:48,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:48,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496328172] [2020-08-21 14:58:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:48,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:48,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:48,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 14:58:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:58:48,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496328172] [2020-08-21 14:58:48,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:48,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 14:58:48,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121813991] [2020-08-21 14:58:48,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:58:48,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:48,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:58:48,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:58:48,461 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 9 states. [2020-08-21 14:58:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:50,793 INFO L93 Difference]: Finished difference Result 1392 states and 1936 transitions. [2020-08-21 14:58:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:58:50,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 164 [2020-08-21 14:58:50,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:50,802 INFO L225 Difference]: With dead ends: 1392 [2020-08-21 14:58:50,803 INFO L226 Difference]: Without dead ends: 925 [2020-08-21 14:58:50,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:58:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-08-21 14:58:50,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 767. [2020-08-21 14:58:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-08-21 14:58:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 971 transitions. [2020-08-21 14:58:50,875 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 971 transitions. Word has length 164 [2020-08-21 14:58:50,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:50,876 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 971 transitions. [2020-08-21 14:58:50,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:58:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 971 transitions. [2020-08-21 14:58:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-08-21 14:58:50,887 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:50,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:50,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:58:50,887 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:50,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:50,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1415746443, now seen corresponding path program 1 times [2020-08-21 14:58:50,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:50,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700547924] [2020-08-21 14:58:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:51,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:51,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:51,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 14:58:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:58:51,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700547924] [2020-08-21 14:58:51,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:51,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 14:58:51,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106362757] [2020-08-21 14:58:51,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:58:51,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:51,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:58:51,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:58:51,211 INFO L87 Difference]: Start difference. First operand 767 states and 971 transitions. Second operand 8 states. [2020-08-21 14:58:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:53,630 INFO L93 Difference]: Finished difference Result 2047 states and 2827 transitions. [2020-08-21 14:58:53,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:58:53,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 168 [2020-08-21 14:58:53,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:53,646 INFO L225 Difference]: With dead ends: 2047 [2020-08-21 14:58:53,647 INFO L226 Difference]: Without dead ends: 1286 [2020-08-21 14:58:53,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-21 14:58:53,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-08-21 14:58:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1245. [2020-08-21 14:58:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-08-21 14:58:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1558 transitions. [2020-08-21 14:58:53,712 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1558 transitions. Word has length 168 [2020-08-21 14:58:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:53,713 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1558 transitions. [2020-08-21 14:58:53,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:58:53,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1558 transitions. [2020-08-21 14:58:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-08-21 14:58:53,719 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:53,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:53,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:58:53,720 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:53,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:53,721 INFO L82 PathProgramCache]: Analyzing trace with hash 2022634883, now seen corresponding path program 1 times [2020-08-21 14:58:53,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:53,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552852990] [2020-08-21 14:58:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:53,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 14:58:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:58:53,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552852990] [2020-08-21 14:58:53,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:53,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:58:53,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038225578] [2020-08-21 14:58:53,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:58:53,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:53,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:58:53,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:58:53,904 INFO L87 Difference]: Start difference. First operand 1245 states and 1558 transitions. Second operand 7 states. [2020-08-21 14:58:55,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:55,964 INFO L93 Difference]: Finished difference Result 4321 states and 5973 transitions. [2020-08-21 14:58:55,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 14:58:55,965 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-08-21 14:58:55,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:55,986 INFO L225 Difference]: With dead ends: 4321 [2020-08-21 14:58:55,986 INFO L226 Difference]: Without dead ends: 2938 [2020-08-21 14:58:55,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:58:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2020-08-21 14:58:56,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2616. [2020-08-21 14:58:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2020-08-21 14:58:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 3372 transitions. [2020-08-21 14:58:56,111 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 3372 transitions. Word has length 176 [2020-08-21 14:58:56,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:56,112 INFO L479 AbstractCegarLoop]: Abstraction has 2616 states and 3372 transitions. [2020-08-21 14:58:56,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:58:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3372 transitions. [2020-08-21 14:58:56,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-21 14:58:56,128 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:56,128 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:56,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:58:56,129 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:56,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2063453292, now seen corresponding path program 1 times [2020-08-21 14:58:56,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:56,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741005673] [2020-08-21 14:58:56,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:56,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:56,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:58:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:56,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-08-21 14:58:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-08-21 14:58:56,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741005673] [2020-08-21 14:58:56,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:56,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 14:58:56,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055006962] [2020-08-21 14:58:56,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:58:56,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:56,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:58:56,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:58:56,395 INFO L87 Difference]: Start difference. First operand 2616 states and 3372 transitions. Second operand 5 states. [2020-08-21 14:58:57,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:57,387 INFO L93 Difference]: Finished difference Result 6252 states and 8218 transitions. [2020-08-21 14:58:57,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:58:57,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2020-08-21 14:58:57,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:57,413 INFO L225 Difference]: With dead ends: 6252 [2020-08-21 14:58:57,413 INFO L226 Difference]: Without dead ends: 3786 [2020-08-21 14:58:57,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:58:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2020-08-21 14:58:57,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 2902. [2020-08-21 14:58:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2902 states. [2020-08-21 14:58:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 3818 transitions. [2020-08-21 14:58:57,559 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 3818 transitions. Word has length 238 [2020-08-21 14:58:57,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:57,560 INFO L479 AbstractCegarLoop]: Abstraction has 2902 states and 3818 transitions. [2020-08-21 14:58:57,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:58:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3818 transitions. [2020-08-21 14:58:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-08-21 14:58:57,580 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:57,580 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:57,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:58:57,581 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:57,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:57,582 INFO L82 PathProgramCache]: Analyzing trace with hash 2101842206, now seen corresponding path program 1 times [2020-08-21 14:58:57,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:57,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76979183] [2020-08-21 14:58:57,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:57,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 14:58:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:57,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-21 14:58:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-08-21 14:58:57,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76979183] [2020-08-21 14:58:57,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:57,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:58:57,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639944203] [2020-08-21 14:58:57,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:58:57,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:57,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:58:57,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:58:57,902 INFO L87 Difference]: Start difference. First operand 2902 states and 3818 transitions. Second operand 7 states. [2020-08-21 14:58:59,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:58:59,120 INFO L93 Difference]: Finished difference Result 5490 states and 7000 transitions. [2020-08-21 14:58:59,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:58:59,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2020-08-21 14:58:59,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:58:59,135 INFO L225 Difference]: With dead ends: 5490 [2020-08-21 14:58:59,136 INFO L226 Difference]: Without dead ends: 2582 [2020-08-21 14:58:59,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:58:59,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2020-08-21 14:58:59,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 1835. [2020-08-21 14:58:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-08-21 14:58:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2068 transitions. [2020-08-21 14:58:59,206 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2068 transitions. Word has length 239 [2020-08-21 14:58:59,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:58:59,206 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2068 transitions. [2020-08-21 14:58:59,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:58:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2068 transitions. [2020-08-21 14:58:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-08-21 14:58:59,214 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:58:59,215 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:58:59,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 14:58:59,215 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:58:59,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:58:59,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1449891231, now seen corresponding path program 1 times [2020-08-21 14:58:59,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:58:59,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740677957] [2020-08-21 14:58:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:58:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:59,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:58:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:59,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:58:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:59,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:58:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:58:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-21 14:58:59,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740677957] [2020-08-21 14:58:59,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:58:59,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 14:58:59,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312234442] [2020-08-21 14:58:59,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:58:59,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:58:59,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:58:59,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:58:59,811 INFO L87 Difference]: Start difference. First operand 1835 states and 2068 transitions. Second operand 8 states. [2020-08-21 14:59:01,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:01,559 INFO L93 Difference]: Finished difference Result 3550 states and 4048 transitions. [2020-08-21 14:59:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 14:59:01,560 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 253 [2020-08-21 14:59:01,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:01,561 INFO L225 Difference]: With dead ends: 3550 [2020-08-21 14:59:01,561 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:59:01,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:59:01,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:59:01,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:59:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:59:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:59:01,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 253 [2020-08-21 14:59:01,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:01,569 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:59:01,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:59:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:59:01,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:59:01,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 14:59:01,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:59:02,003 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 109 [2020-08-21 14:59:02,881 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 59 [2020-08-21 14:59:03,194 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 44 [2020-08-21 14:59:03,449 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 44 [2020-08-21 14:59:03,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:59:03,455 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)|)) [2020-08-21 14:59:03,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:59:03,455 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,455 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,456 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,456 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,456 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,456 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 14:59:03,456 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 14:59:03,457 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,458 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 14:59:03,459 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 14:59:03,460 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 14:59:03,460 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 14:59:03,460 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 14:59:03,460 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 14:59:03,460 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 14:59:03,460 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 14:59:03,460 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,461 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,461 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,461 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,461 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,461 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2020-08-21 14:59:03,461 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 14:59:03,461 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 14:59:03,462 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 14:59:03,463 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 14:59:03,464 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 14:59:03,465 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 14:59:03,465 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 14:59:03,465 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 14:59:03,465 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,465 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,465 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,465 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 14:59:03,466 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,467 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 14:59:03,468 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,469 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 14:59:03,470 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 14:59:03,471 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,472 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= |old(~a25~0)| 1))) (let ((.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse5 (not .cse2)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse14 (= |old(~a19~0)| 1))) (let ((.cse7 (= ~a25~0 1)) (.cse10 (not .cse14)) (.cse13 (let ((.cse15 (not (<= |old(~a28~0)| 7)))) (and (or .cse14 .cse15 .cse0) (or .cse5 .cse15 .cse0)))) (.cse1 (and .cse11 .cse12 .cse6 (= ~a25~0 |old(~a25~0)|) .cse8)) (.cse9 (= 9 |old(~a28~0)|)) (.cse3 (= |old(~a11~0)| 1)) (.cse4 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 7 |old(~a17~0)|)) (and (= 7 ~a17~0) .cse6 .cse7 (= ~a28~0 9) .cse8) (not .cse9) .cse4 (not .cse3)) (or .cse0 .cse10 .cse1 .cse4) (or .cse0 .cse1 .cse2 (not (<= 10 |old(~a28~0)|)) .cse4) (or (and .cse11 .cse12 .cse6 .cse7 .cse8) .cse10 .cse13) (or .cse1 .cse4 .cse13) (or .cse0 .cse1 .cse9 .cse3 .cse4))))) [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 14:59:03,473 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,474 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 14:59:03,475 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,476 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 14:59:03,477 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 14:59:03,478 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 14:59:03,479 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 14:59:03,479 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 14:59:03,479 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:59:03,479 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))) [2020-08-21 14:59:03,479 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:59:03,479 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:59:03,480 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)) (= |old(~a25~0)| 1) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-08-21 14:59:03,480 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse4 (= ~a11~0 1))) (let ((.cse0 (= ~a28~0 9)) (.cse1 (not .cse4)) (.cse2 (<= ~a17~0 8)) (.cse5 (not .cse3))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (not .cse0) .cse1 .cse2) (not (= |old(~a19~0)| 1)) (and (= 7 ~a17~0) .cse3 .cse0 .cse4) (= |old(~a25~0)| 1) (and (<= ~a28~0 7) .cse2) (= |old(~a11~0)| 1) (and (<= 10 ~a28~0) .cse2 .cse5) (not (= ~a21~0 1)) (and .cse2 (= ~a19~0 |old(~a19~0)|)) (and .cse1 .cse2 .cse5)))) [2020-08-21 14:59:03,480 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 14:59:03,480 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 14:59:03,480 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse4 (= ~a11~0 1))) (let ((.cse0 (= ~a28~0 9)) (.cse1 (not .cse4)) (.cse2 (<= ~a17~0 8)) (.cse5 (not .cse3))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (not .cse0) .cse1 .cse2) (not (= |old(~a19~0)| 1)) (and (= 7 ~a17~0) .cse3 .cse0 .cse4) (= |old(~a25~0)| 1) (and (<= ~a28~0 7) .cse2) (= |old(~a11~0)| 1) (and (<= 10 ~a28~0) .cse2 .cse5) (not (= ~a21~0 1)) (and .cse2 (= ~a19~0 |old(~a19~0)|)) (and .cse1 .cse2 .cse5)))) [2020-08-21 14:59:03,480 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 14:59:03,481 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 14:59:03,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:59:03 BoogieIcfgContainer [2020-08-21 14:59:03,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:59:03,506 INFO L168 Benchmark]: Toolchain (without parser) took 21042.22 ms. Allocated memory was 137.4 MB in the beginning and 534.2 MB in the end (delta: 396.9 MB). Free memory was 96.9 MB in the beginning and 404.0 MB in the end (delta: -307.1 MB). Peak memory consumption was 380.8 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:03,507 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 14:59:03,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.02 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 96.7 MB in the beginning and 168.8 MB in the end (delta: -72.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:03,509 INFO L168 Benchmark]: Boogie Preprocessor took 150.52 ms. Allocated memory is still 202.4 MB. Free memory was 168.8 MB in the beginning and 163.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:03,510 INFO L168 Benchmark]: RCFGBuilder took 1335.79 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 163.7 MB in the beginning and 179.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:03,511 INFO L168 Benchmark]: TraceAbstraction took 18717.56 ms. Allocated memory was 231.2 MB in the beginning and 534.2 MB in the end (delta: 303.0 MB). Free memory was 178.2 MB in the beginning and 404.0 MB in the end (delta: -225.8 MB). Peak memory consumption was 368.2 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:03,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 830.02 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 96.7 MB in the beginning and 168.8 MB in the end (delta: -72.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.52 ms. Allocated memory is still 202.4 MB. Free memory was 168.8 MB in the beginning and 163.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.79 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 163.7 MB in the beginning and 179.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18717.56 ms. Allocated memory was 231.2 MB in the beginning and 534.2 MB in the end (delta: 303.0 MB). Free memory was 178.2 MB in the beginning and 404.0 MB in the end (delta: -225.8 MB). Peak memory consumption was 368.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: ((((((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || ((!(a28 == 9) && !(a11 == 1)) && a17 <= 8)) || !(\old(a19) == 1)) || (((7 == a17 && a25 == 1) && a28 == 9) && a11 == 1)) || \old(a25) == 1) || (a28 <= 7 && a17 <= 8)) || \old(a11) == 1) || ((10 <= a28 && a17 <= 8) && !(a25 == 1))) || !(a21 == 1)) || (a17 <= 8 && a19 == \old(a19))) || ((!(a11 == 1) && a17 <= 8) && !(a25 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.7s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 4588 SDslu, 417 SDs, 0 SdLazy, 7467 SolverSat, 1347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.5s 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: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 2159 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 135 NumberOfFragments, 538 HoareAnnotationTreeSize, 105 FomulaSimplifications, 23388 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2901 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1385 NumberOfCodeBlocks, 1385 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 933456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 440/463 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...