/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:31:39,008 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 15:31:39,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:31:39,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:31:39,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:31:39,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:31:39,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:31:39,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:31:39,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:31:39,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:31:39,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:31:39,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:31:39,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:31:39,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:31:39,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 15:31:39,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:31:39,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:31:39,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:31:39,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 15:31:39,115 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:31:39,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:31:39,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:31:39,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:31:39,117 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:31:39,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:31:39,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:31:39,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:31:39,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:31:39,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:31:39,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:31:39,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:31:39,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:31:39,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:31:39,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:31:39,119 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:31:39,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:31:39,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:31:39,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:31:39,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:31:39,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:31:39,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:31:39,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:31:39,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:31:39,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:31:39,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:31:39,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:31:39,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:31:39,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:31:39,122 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 -> false [2020-08-18 15:31:39,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:31:39,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:31:39,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:31:39,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:31:39,451 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:31:39,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-08-18 15:31:39,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a69452c43/a7123b05760f4b3c98d5de8431a452d4/FLAGd36c33d91 [2020-08-18 15:31:40,063 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:31:40,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-08-18 15:31:40,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a69452c43/a7123b05760f4b3c98d5de8431a452d4/FLAGd36c33d91 [2020-08-18 15:31:40,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a69452c43/a7123b05760f4b3c98d5de8431a452d4 [2020-08-18 15:31:40,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:31:40,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:31:40,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:31:40,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:31:40,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:31:40,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:31:40" (1/1) ... [2020-08-18 15:31:40,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6317371b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:40, skipping insertion in model container [2020-08-18 15:31:40,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:31:40" (1/1) ... [2020-08-18 15:31:40,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:31:40,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:31:40,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:31:40,972 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:31:41,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:31:41,092 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:31:41,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41 WrapperNode [2020-08-18 15:31:41,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:31:41,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:31:41,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:31:41,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:31:41,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... [2020-08-18 15:31:41,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... [2020-08-18 15:31:41,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... [2020-08-18 15:31:41,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... [2020-08-18 15:31:41,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... [2020-08-18 15:31:41,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... [2020-08-18 15:31:41,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... [2020-08-18 15:31:41,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:31:41,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:31:41,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:31:41,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:31:41,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:31:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:31:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:31:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 15:31:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:31:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 15:31:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:31:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:31:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 15:31:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:31:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:31:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:31:42,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:31:42,386 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 15:31:42,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:31:42 BoogieIcfgContainer [2020-08-18 15:31:42,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:31:42,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:31:42,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:31:42,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:31:42,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:31:40" (1/3) ... [2020-08-18 15:31:42,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d797b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:31:42, skipping insertion in model container [2020-08-18 15:31:42,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:31:41" (2/3) ... [2020-08-18 15:31:42,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d797b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:31:42, skipping insertion in model container [2020-08-18 15:31:42,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:31:42" (3/3) ... [2020-08-18 15:31:42,399 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2020-08-18 15:31:42,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:31:42,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:31:42,431 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:31:42,455 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:31:42,455 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:31:42,455 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:31:42,455 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:31:42,456 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:31:42,456 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:31:42,456 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:31:42,456 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:31:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-18 15:31:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-08-18 15:31:42,490 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:31:42,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:31:42,491 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:31:42,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:31:42,497 INFO L82 PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times [2020-08-18 15:31:42,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:31:42,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710917461] [2020-08-18 15:31:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:31:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:42,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:31:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:31:43,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710917461] [2020-08-18 15:31:43,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:31:43,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:31:43,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888235249] [2020-08-18 15:31:43,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 15:31:43,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:31:43,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 15:31:43,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:31:43,100 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-18 15:31:45,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:31:45,221 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-08-18 15:31:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 15:31:45,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-08-18 15:31:45,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:31:45,259 INFO L225 Difference]: With dead ends: 784 [2020-08-18 15:31:45,260 INFO L226 Difference]: Without dead ends: 480 [2020-08-18 15:31:45,274 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 [2020-08-18 15:31:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-08-18 15:31:45,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-08-18 15:31:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-08-18 15:31:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-08-18 15:31:45,359 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 104 [2020-08-18 15:31:45,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:31:45,360 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-08-18 15:31:45,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 15:31:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-08-18 15:31:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-08-18 15:31:45,378 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:31:45,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:31:45,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:31:45,379 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:31:45,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:31:45,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1136546274, now seen corresponding path program 1 times [2020-08-18 15:31:45,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:31:45,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109305628] [2020-08-18 15:31:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:31:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:45,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:31:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:45,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:31:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:45,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 15:31:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 15:31:45,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109305628] [2020-08-18 15:31:45,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:31:45,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 15:31:45,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900635294] [2020-08-18 15:31:45,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 15:31:45,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:31:45,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 15:31:45,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 15:31:45,599 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 9 states. [2020-08-18 15:31:47,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:31:47,780 INFO L93 Difference]: Finished difference Result 1392 states and 1936 transitions. [2020-08-18 15:31:47,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 15:31:47,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-08-18 15:31:47,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:31:47,788 INFO L225 Difference]: With dead ends: 1392 [2020-08-18 15:31:47,788 INFO L226 Difference]: Without dead ends: 925 [2020-08-18 15:31:47,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-18 15:31:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-08-18 15:31:47,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 767. [2020-08-18 15:31:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-08-18 15:31:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 972 transitions. [2020-08-18 15:31:47,838 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 972 transitions. Word has length 121 [2020-08-18 15:31:47,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:31:47,839 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 972 transitions. [2020-08-18 15:31:47,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 15:31:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 972 transitions. [2020-08-18 15:31:47,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-18 15:31:47,844 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:31:47,844 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:31:47,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:31:47,845 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:31:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:31:47,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1938417574, now seen corresponding path program 1 times [2020-08-18 15:31:47,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:31:47,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603070454] [2020-08-18 15:31:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:31:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:47,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:31:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:47,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:31:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:48,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-18 15:31:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 15:31:48,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603070454] [2020-08-18 15:31:48,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:31:48,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 15:31:48,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114018278] [2020-08-18 15:31:48,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:31:48,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:31:48,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:31:48,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:31:48,061 INFO L87 Difference]: Start difference. First operand 767 states and 972 transitions. Second operand 8 states. [2020-08-18 15:31:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:31:50,265 INFO L93 Difference]: Finished difference Result 2047 states and 2829 transitions. [2020-08-18 15:31:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:31:50,269 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2020-08-18 15:31:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:31:50,281 INFO L225 Difference]: With dead ends: 2047 [2020-08-18 15:31:50,282 INFO L226 Difference]: Without dead ends: 1286 [2020-08-18 15:31:50,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-18 15:31:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-08-18 15:31:50,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1245. [2020-08-18 15:31:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-08-18 15:31:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1559 transitions. [2020-08-18 15:31:50,340 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1559 transitions. Word has length 125 [2020-08-18 15:31:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:31:50,341 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1559 transitions. [2020-08-18 15:31:50,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:31:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1559 transitions. [2020-08-18 15:31:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-18 15:31:50,346 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:31:50,346 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:31:50,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:31:50,347 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:31:50,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:31:50,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1584729076, now seen corresponding path program 1 times [2020-08-18 15:31:50,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:31:50,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718973025] [2020-08-18 15:31:50,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:31:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:31:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:50,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:31:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:50,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 15:31:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 15:31:50,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718973025] [2020-08-18 15:31:50,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:31:50,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 15:31:50,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416689256] [2020-08-18 15:31:50,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 15:31:50,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:31:50,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 15:31:50,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 15:31:50,537 INFO L87 Difference]: Start difference. First operand 1245 states and 1559 transitions. Second operand 7 states. [2020-08-18 15:31:52,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:31:52,425 INFO L93 Difference]: Finished difference Result 4321 states and 5977 transitions. [2020-08-18 15:31:52,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 15:31:52,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-08-18 15:31:52,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:31:52,446 INFO L225 Difference]: With dead ends: 4321 [2020-08-18 15:31:52,447 INFO L226 Difference]: Without dead ends: 2938 [2020-08-18 15:31:52,454 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 [2020-08-18 15:31:52,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2020-08-18 15:31:52,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2616. [2020-08-18 15:31:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2020-08-18 15:31:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 3374 transitions. [2020-08-18 15:31:52,563 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 3374 transitions. Word has length 133 [2020-08-18 15:31:52,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:31:52,564 INFO L479 AbstractCegarLoop]: Abstraction has 2616 states and 3374 transitions. [2020-08-18 15:31:52,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 15:31:52,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3374 transitions. [2020-08-18 15:31:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-08-18 15:31:52,576 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:31:52,578 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:31:52,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:31:52,579 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:31:52,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:31:52,579 INFO L82 PathProgramCache]: Analyzing trace with hash -101882562, now seen corresponding path program 1 times [2020-08-18 15:31:52,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:31:52,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593781290] [2020-08-18 15:31:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:31:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:52,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:31:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:31:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:52,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 15:31:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-18 15:31:52,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593781290] [2020-08-18 15:31:52,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:31:52,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 15:31:52,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766262538] [2020-08-18 15:31:52,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 15:31:52,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:31:52,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 15:31:52,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:31:52,852 INFO L87 Difference]: Start difference. First operand 2616 states and 3374 transitions. Second operand 5 states. [2020-08-18 15:31:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:31:54,165 INFO L93 Difference]: Finished difference Result 6252 states and 8223 transitions. [2020-08-18 15:31:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 15:31:54,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-08-18 15:31:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:31:54,189 INFO L225 Difference]: With dead ends: 6252 [2020-08-18 15:31:54,189 INFO L226 Difference]: Without dead ends: 3786 [2020-08-18 15:31:54,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 15:31:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2020-08-18 15:31:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 2902. [2020-08-18 15:31:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2902 states. [2020-08-18 15:31:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 3821 transitions. [2020-08-18 15:31:54,325 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 3821 transitions. Word has length 184 [2020-08-18 15:31:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:31:54,327 INFO L479 AbstractCegarLoop]: Abstraction has 2902 states and 3821 transitions. [2020-08-18 15:31:54,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 15:31:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3821 transitions. [2020-08-18 15:31:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-08-18 15:31:54,340 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:31:54,340 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:31:54,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:31:54,341 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:31:54,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:31:54,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1769483848, now seen corresponding path program 1 times [2020-08-18 15:31:54,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:31:54,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849561776] [2020-08-18 15:31:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:31:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:31:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:31:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 15:31:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 15:31:54,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849561776] [2020-08-18 15:31:54,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:31:54,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 15:31:54,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195863556] [2020-08-18 15:31:54,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 15:31:54,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:31:54,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 15:31:54,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-18 15:31:54,813 INFO L87 Difference]: Start difference. First operand 2902 states and 3821 transitions. Second operand 11 states. [2020-08-18 15:31:55,714 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2020-08-18 15:31:56,335 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-08-18 15:31:57,090 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-08-18 15:31:58,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:31:58,137 INFO L93 Difference]: Finished difference Result 5811 states and 7675 transitions. [2020-08-18 15:31:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-18 15:31:58,138 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2020-08-18 15:31:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:31:58,154 INFO L225 Difference]: With dead ends: 5811 [2020-08-18 15:31:58,154 INFO L226 Difference]: Without dead ends: 3059 [2020-08-18 15:31:58,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=245, Invalid=685, Unknown=0, NotChecked=0, Total=930 [2020-08-18 15:31:58,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2020-08-18 15:31:58,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 2901. [2020-08-18 15:31:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2901 states. [2020-08-18 15:31:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3758 transitions. [2020-08-18 15:31:58,248 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3758 transitions. Word has length 185 [2020-08-18 15:31:58,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:31:58,250 INFO L479 AbstractCegarLoop]: Abstraction has 2901 states and 3758 transitions. [2020-08-18 15:31:58,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 15:31:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3758 transitions. [2020-08-18 15:31:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-18 15:31:58,262 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:31:58,262 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:31:58,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 15:31:58,263 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:31:58,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:31:58,263 INFO L82 PathProgramCache]: Analyzing trace with hash 941817515, now seen corresponding path program 1 times [2020-08-18 15:31:58,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:31:58,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443961370] [2020-08-18 15:31:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:31:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:58,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:31:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:31:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:58,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 15:31:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:31:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 15:31:58,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443961370] [2020-08-18 15:31:58,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:31:58,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 15:31:58,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472640432] [2020-08-18 15:31:58,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 15:31:58,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:31:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 15:31:58,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 15:31:58,476 INFO L87 Difference]: Start difference. First operand 2901 states and 3758 transitions. Second operand 7 states. [2020-08-18 15:32:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:00,096 INFO L93 Difference]: Finished difference Result 6209 states and 7806 transitions. [2020-08-18 15:32:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 15:32:00,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-18 15:32:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:00,104 INFO L225 Difference]: With dead ends: 6209 [2020-08-18 15:32:00,105 INFO L226 Difference]: Without dead ends: 1798 [2020-08-18 15:32:00,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-18 15:32:00,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2020-08-18 15:32:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1794. [2020-08-18 15:32:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2020-08-18 15:32:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 1992 transitions. [2020-08-18 15:32:00,157 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 1992 transitions. Word has length 195 [2020-08-18 15:32:00,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:00,158 INFO L479 AbstractCegarLoop]: Abstraction has 1794 states and 1992 transitions. [2020-08-18 15:32:00,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 15:32:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 1992 transitions. [2020-08-18 15:32:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-08-18 15:32:00,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:00,164 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:32:00,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 15:32:00,164 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:00,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:00,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1480861463, now seen corresponding path program 1 times [2020-08-18 15:32:00,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:00,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257643786] [2020-08-18 15:32:00,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:00,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:00,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:32:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 15:32:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 15:32:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 153 proven. 38 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-08-18 15:32:00,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257643786] [2020-08-18 15:32:00,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:32:00,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 15:32:00,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447998586] [2020-08-18 15:32:00,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 15:32:00,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:00,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 15:32:00,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 15:32:00,441 INFO L87 Difference]: Start difference. First operand 1794 states and 1992 transitions. Second operand 10 states. [2020-08-18 15:32:01,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:01,970 INFO L93 Difference]: Finished difference Result 3586 states and 3994 transitions. [2020-08-18 15:32:01,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:32:01,970 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2020-08-18 15:32:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:01,975 INFO L225 Difference]: With dead ends: 3586 [2020-08-18 15:32:01,975 INFO L226 Difference]: Without dead ends: 1186 [2020-08-18 15:32:01,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-08-18 15:32:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-08-18 15:32:02,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2020-08-18 15:32:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-08-18 15:32:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1238 transitions. [2020-08-18 15:32:02,004 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1238 transitions. Word has length 234 [2020-08-18 15:32:02,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:02,005 INFO L479 AbstractCegarLoop]: Abstraction has 1186 states and 1238 transitions. [2020-08-18 15:32:02,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 15:32:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1238 transitions. [2020-08-18 15:32:02,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-08-18 15:32:02,009 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:02,010 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:32:02,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 15:32:02,010 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:02,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:02,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1005268435, now seen corresponding path program 1 times [2020-08-18 15:32:02,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:02,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444463449] [2020-08-18 15:32:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:02,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:02,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:32:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:02,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 15:32:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:02,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-18 15:32:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 237 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-08-18 15:32:02,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444463449] [2020-08-18 15:32:02,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:32:02,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 15:32:02,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199190531] [2020-08-18 15:32:02,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 15:32:02,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:02,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 15:32:02,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-18 15:32:02,457 INFO L87 Difference]: Start difference. First operand 1186 states and 1238 transitions. Second operand 10 states. [2020-08-18 15:32:03,482 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-08-18 15:32:03,695 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-08-18 15:32:04,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:04,688 INFO L93 Difference]: Finished difference Result 1774 states and 1847 transitions. [2020-08-18 15:32:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 15:32:04,691 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 257 [2020-08-18 15:32:04,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:04,695 INFO L225 Difference]: With dead ends: 1774 [2020-08-18 15:32:04,695 INFO L226 Difference]: Without dead ends: 1186 [2020-08-18 15:32:04,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2020-08-18 15:32:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-08-18 15:32:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2020-08-18 15:32:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-08-18 15:32:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1234 transitions. [2020-08-18 15:32:04,725 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1234 transitions. Word has length 257 [2020-08-18 15:32:04,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:04,726 INFO L479 AbstractCegarLoop]: Abstraction has 1186 states and 1234 transitions. [2020-08-18 15:32:04,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 15:32:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1234 transitions. [2020-08-18 15:32:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-08-18 15:32:04,731 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:32:04,731 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:32:04,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 15:32:04,732 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:32:04,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:32:04,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1238015656, now seen corresponding path program 1 times [2020-08-18 15:32:04,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:32:04,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [402902489] [2020-08-18 15:32:04,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:32:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:04,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:32:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:04,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 15:32:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:04,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 15:32:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:04,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-18 15:32:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:04,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-18 15:32:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:32:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 271 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-08-18 15:32:05,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [402902489] [2020-08-18 15:32:05,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 15:32:05,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 15:32:05,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222448723] [2020-08-18 15:32:05,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 15:32:05,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:32:05,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 15:32:05,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 15:32:05,051 INFO L87 Difference]: Start difference. First operand 1186 states and 1234 transitions. Second operand 7 states. [2020-08-18 15:32:05,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:32:05,815 INFO L93 Difference]: Finished difference Result 1924 states and 2009 transitions. [2020-08-18 15:32:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 15:32:05,822 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2020-08-18 15:32:05,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:32:05,823 INFO L225 Difference]: With dead ends: 1924 [2020-08-18 15:32:05,823 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:32:05,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-18 15:32:05,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:32:05,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:32:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:32:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:32:05,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-08-18 15:32:05,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:32:05,829 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:32:05,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 15:32:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:32:05,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:32:05,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 15:32:05,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:32:06,343 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 127 [2020-08-18 15:32:06,497 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 127 [2020-08-18 15:32:07,541 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 62 [2020-08-18 15:32:08,043 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2020-08-18 15:32:08,479 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2020-08-18 15:32:08,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:32:08,484 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)|)) [2020-08-18 15:32:08,484 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:32:08,484 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,484 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,485 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,485 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,485 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,485 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-18 15:32:08,485 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-18 15:32:08,486 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-18 15:32:08,487 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-18 15:32:08,488 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-18 15:32:08,489 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-18 15:32:08,489 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,489 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,489 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,489 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,489 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,489 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-18 15:32:08,490 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-18 15:32:08,491 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,492 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 15:32:08,493 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,494 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 15:32:08,495 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,496 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 15:32:08,497 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,498 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 15:32:08,499 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-18 15:32:08,500 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-18 15:32:08,501 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,501 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,501 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,501 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a25~0 |old(~a25~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= |old(~a19~0)| 1))) (let ((.cse4 (not (= |old(~a25~0)| 1))) (.cse10 (not (<= |old(~a28~0)| 7))) (.cse8 (= ~a25~0 1)) (.cse1 (not .cse14)) (.cse7 (= ~a17~0 8)) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse2 (and .cse5 .cse12 .cse6 .cse13 .cse11)) (.cse3 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 9 |old(~a28~0)|))) (or .cse4 .cse1 (and .cse5 .cse6 (= ~a19~0 1) .cse7 .cse8) .cse9 .cse3) (or .cse10 .cse0 .cse2 .cse3) (or .cse4 (not (= 10 |old(~a28~0)|)) .cse9 (and .cse6 .cse7 .cse8 .cse11 (= ~a28~0 10)) .cse3) (or .cse4 .cse10 .cse0 (and .cse5 .cse12 .cse6 .cse8 .cse11) .cse1) (or (and .cse6 .cse13 .cse7 (= ~a28~0 8) .cse11) .cse14 .cse9 .cse3 (not (= 8 |old(~a28~0)|))) (or .cse0 .cse2 .cse3 (not (= |old(~a11~0)| 1)))))) [2020-08-18 15:32:08,501 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 15:32:08,502 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,503 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-18 15:32:08,504 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-18 15:32:08,505 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-18 15:32:08,506 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-18 15:32:08,507 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-18 15:32:08,508 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-18 15:32:08,508 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-18 15:32:08,508 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-18 15:32:08,508 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-18 15:32:08,508 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-18 15:32:08,508 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:32:08,508 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))) [2020-08-18 15:32:08,508 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:32:08,509 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:32:08,509 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (= |old(~a25~0)| 1) (= |old(~a11~0)| 1) (not (= ~a21~0 1))) [2020-08-18 15:32:08,509 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse7 (not .cse5)) (.cse1 (<= ~a28~0 7)) (.cse6 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and (= ~a11~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse0) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a25~0 |old(~a25~0)|)) (and .cse4 .cse6 .cse7 (= ~a28~0 8)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and .cse4 .cse7 .cse1 .cse2) (and .cse4 .cse6 .cse0 (= ~a28~0 10)) (and .cse4 (<= 9 ~a28~0) .cse2 .cse3)))) [2020-08-18 15:32:08,509 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-18 15:32:08,509 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-18 15:32:08,510 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse7 (not .cse5)) (.cse1 (<= ~a28~0 7)) (.cse6 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and (= ~a11~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse0) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a25~0 |old(~a25~0)|)) (and .cse4 .cse6 .cse7 (= ~a28~0 8)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and .cse4 .cse7 .cse1 .cse2) (and .cse4 .cse6 .cse0 (= ~a28~0 10)) (and .cse4 (<= 9 ~a28~0) .cse2 .cse3)))) [2020-08-18 15:32:08,510 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-18 15:32:08,510 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-18 15:32:08,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:32:08 BoogieIcfgContainer [2020-08-18 15:32:08,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:32:08,534 INFO L168 Benchmark]: Toolchain (without parser) took 28159.12 ms. Allocated memory was 145.8 MB in the beginning and 596.6 MB in the end (delta: 450.9 MB). Free memory was 99.9 MB in the beginning and 142.6 MB in the end (delta: -42.7 MB). Peak memory consumption was 430.4 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:08,534 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 15:32:08,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.88 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 99.7 MB in the beginning and 169.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:08,536 INFO L168 Benchmark]: Boogie Preprocessor took 113.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 164.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:08,537 INFO L168 Benchmark]: RCFGBuilder took 1184.46 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 179.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:08,537 INFO L168 Benchmark]: TraceAbstraction took 26139.07 ms. Allocated memory was 234.4 MB in the beginning and 596.6 MB in the end (delta: 362.3 MB). Free memory was 178.4 MB in the beginning and 142.6 MB in the end (delta: 35.8 MB). Peak memory consumption was 420.2 MB. Max. memory is 7.1 GB. [2020-08-18 15:32:08,541 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.88 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 99.7 MB in the beginning and 169.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 164.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.46 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 179.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26139.07 ms. Allocated memory was 234.4 MB in the beginning and 596.6 MB in the end (delta: 362.3 MB). Free memory was 178.4 MB in the beginning and 142.6 MB in the end (delta: 35.8 MB). Peak memory consumption was 420.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 466]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((a25 == 1 && a28 <= 7) && a17 <= 8) && a19 == \old(a19)) || !(\old(a19) == 1)) || \old(a25) == 1) || (a11 == 1 && a17 <= 8)) || (((a11 == \old(a11) && a19 == 1) && a17 == 8) && a25 == 1)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || (((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25))) || (((a11 == \old(a11) && a17 == 8) && !(a19 == 1)) && a28 == 8)) || \old(a11) == 1) || !(a21 == 1)) || (((a11 == \old(a11) && !(a19 == 1)) && a28 <= 7) && a17 <= 8)) || (((a11 == \old(a11) && a17 == 8) && a25 == 1) && a28 == 10)) || (((a11 == \old(a11) && 9 <= a28) && a17 <= 8) && a19 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.3s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 400 SDtfs, 6892 SDslu, 594 SDs, 0 SdLazy, 11435 SolverSat, 1773 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 4.0s 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, 10 MinimizatonAttempts, 1574 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 158 PreInvPairs, 214 NumberOfFragments, 582 HoareAnnotationTreeSize, 158 FomulaSimplifications, 99268 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6438 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1815 NumberOfCodeBlocks, 1815 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1805 ConstructedInterpolants, 0 QuantifiedInterpolants, 1072296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 1168/1225 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...