/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:04:04,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:04:04,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:04:04,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:04:04,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:04:04,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:04:04,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:04:04,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:04:04,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:04:04,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:04:04,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:04:04,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:04:04,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:04:04,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:04:04,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:04:04,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:04:04,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:04:04,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:04:04,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:04:04,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:04:04,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:04:04,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:04:04,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:04:04,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:04:04,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 23:04:04,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 23:04:04,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 23:04:04,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 23:04:04,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 23:04:04,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-21 23:04:04,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:04:04,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:04:04,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:04:04,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 23:04:04,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:04:04,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:04:04,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:04:04,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:04:04,276 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:04:04,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:04:04,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:04:04,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:04:04,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:04:04,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:04:04,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:04:04,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:04:04,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:04:04,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:04:04,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:04:04,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:04:04,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:04:04,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:04:04,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:04:04,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:04:04,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:04:04,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:04:04,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:04:04,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:04:04,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:04:04,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:04:04,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:04:04,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:04:04,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:04:04,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-08-21 23:04:04,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:04:04,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:04:04,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:04:04,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:04:04,599 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:04:04,600 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-08-21 23:04:04,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dc578e0c/f88f94bf495e479bbf59281825e840b4/FLAG6f8b9a287 [2020-08-21 23:04:05,351 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:04:05,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-08-21 23:04:05,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dc578e0c/f88f94bf495e479bbf59281825e840b4/FLAG6f8b9a287 [2020-08-21 23:04:05,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dc578e0c/f88f94bf495e479bbf59281825e840b4 [2020-08-21 23:04:05,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:04:05,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:04:05,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:04:05,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:04:05,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:04:05,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:04:05" (1/1) ... [2020-08-21 23:04:05,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4757cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:05, skipping insertion in model container [2020-08-21 23:04:05,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:04:05" (1/1) ... [2020-08-21 23:04:05,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:04:05,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:04:06,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:04:06,277 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:04:06,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:04:06,474 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:04:06,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06 WrapperNode [2020-08-21 23:04:06,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:04:06,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:04:06,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:04:06,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:04:06,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... [2020-08-21 23:04:06,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... [2020-08-21 23:04:06,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... [2020-08-21 23:04:06,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... [2020-08-21 23:04:06,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... [2020-08-21 23:04:06,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... [2020-08-21 23:04:06,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... [2020-08-21 23:04:06,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:04:06,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:04:06,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:04:06,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:04:06,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:04:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:04:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:04:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 23:04:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:04:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 23:04:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:04:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:04:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 23:04:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:04:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:04:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:04:08,202 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:04:08,202 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 23:04:08,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:04:08 BoogieIcfgContainer [2020-08-21 23:04:08,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:04:08,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:04:08,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:04:08,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:04:08,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:04:05" (1/3) ... [2020-08-21 23:04:08,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bee07e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:04:08, skipping insertion in model container [2020-08-21 23:04:08,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:04:06" (2/3) ... [2020-08-21 23:04:08,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bee07e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:04:08, skipping insertion in model container [2020-08-21 23:04:08,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:04:08" (3/3) ... [2020-08-21 23:04:08,218 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-08-21 23:04:08,230 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:04:08,238 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:04:08,253 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:04:08,279 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:04:08,280 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:04:08,280 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:04:08,280 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:04:08,280 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:04:08,280 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:04:08,281 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:04:08,281 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:04:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-21 23:04:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-08-21 23:04:08,319 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:04:08,320 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] [2020-08-21 23:04:08,320 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:04:08,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:04:08,325 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-08-21 23:04:08,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:04:08,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235300874] [2020-08-21 23:04:08,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:04:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:04:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:08,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:04:08,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235300874] [2020-08-21 23:04:08,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:04:08,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 23:04:08,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523722243] [2020-08-21 23:04:08,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:04:08,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:04:08,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:04:08,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:04:08,736 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-21 23:04:11,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:04:11,714 INFO L93 Difference]: Finished difference Result 902 states and 1625 transitions. [2020-08-21 23:04:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:04:11,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-08-21 23:04:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:04:11,759 INFO L225 Difference]: With dead ends: 902 [2020-08-21 23:04:11,760 INFO L226 Difference]: Without dead ends: 564 [2020-08-21 23:04:11,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:04:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-21 23:04:11,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 376. [2020-08-21 23:04:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-08-21 23:04:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 528 transitions. [2020-08-21 23:04:11,870 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 528 transitions. Word has length 49 [2020-08-21 23:04:11,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:04:11,871 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 528 transitions. [2020-08-21 23:04:11,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:04:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 528 transitions. [2020-08-21 23:04:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 23:04:11,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:04:11,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:04:11,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:04:11,879 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:04:11,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:04:11,879 INFO L82 PathProgramCache]: Analyzing trace with hash 783093133, now seen corresponding path program 1 times [2020-08-21 23:04:11,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:04:11,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291665676] [2020-08-21 23:04:11,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:04:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:12,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:04:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:12,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:04:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:04:12,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291665676] [2020-08-21 23:04:12,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:04:12,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 23:04:12,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660118410] [2020-08-21 23:04:12,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:04:12,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:04:12,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:04:12,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:04:12,287 INFO L87 Difference]: Start difference. First operand 376 states and 528 transitions. Second operand 8 states. [2020-08-21 23:04:14,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:04:14,115 INFO L93 Difference]: Finished difference Result 942 states and 1295 transitions. [2020-08-21 23:04:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 23:04:14,117 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-21 23:04:14,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:04:14,122 INFO L225 Difference]: With dead ends: 942 [2020-08-21 23:04:14,122 INFO L226 Difference]: Without dead ends: 572 [2020-08-21 23:04:14,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 23:04:14,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-08-21 23:04:14,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 564. [2020-08-21 23:04:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-08-21 23:04:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 745 transitions. [2020-08-21 23:04:14,163 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 745 transitions. Word has length 132 [2020-08-21 23:04:14,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:04:14,163 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 745 transitions. [2020-08-21 23:04:14,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:04:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 745 transitions. [2020-08-21 23:04:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-21 23:04:14,172 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:04:14,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:04:14,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:04:14,173 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:04:14,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:04:14,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1340716769, now seen corresponding path program 1 times [2020-08-21 23:04:14,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:04:14,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479141651] [2020-08-21 23:04:14,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:04:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:14,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:04:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:04:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 23:04:14,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479141651] [2020-08-21 23:04:14,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:04:14,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:04:14,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743441304] [2020-08-21 23:04:14,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:04:14,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:04:14,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:04:14,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:04:14,483 INFO L87 Difference]: Start difference. First operand 564 states and 745 transitions. Second operand 7 states. [2020-08-21 23:04:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:04:17,558 INFO L93 Difference]: Finished difference Result 2604 states and 3567 transitions. [2020-08-21 23:04:17,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 23:04:17,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-08-21 23:04:17,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:04:17,577 INFO L225 Difference]: With dead ends: 2604 [2020-08-21 23:04:17,577 INFO L226 Difference]: Without dead ends: 2046 [2020-08-21 23:04:17,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:04:17,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2020-08-21 23:04:17,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1494. [2020-08-21 23:04:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-08-21 23:04:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 2045 transitions. [2020-08-21 23:04:17,672 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 2045 transitions. Word has length 158 [2020-08-21 23:04:17,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:04:17,672 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 2045 transitions. [2020-08-21 23:04:17,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:04:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2045 transitions. [2020-08-21 23:04:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-08-21 23:04:17,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:04:17,681 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:04:17,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:04:17,681 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:04:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:04:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash -2013904043, now seen corresponding path program 1 times [2020-08-21 23:04:17,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:04:17,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983654379] [2020-08-21 23:04:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:04:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:04:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:17,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:04:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 23:04:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:04:17,942 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-21 23:04:17,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983654379] [2020-08-21 23:04:17,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:04:17,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 23:04:17,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367789287] [2020-08-21 23:04:17,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:04:17,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:04:17,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:04:17,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:04:17,945 INFO L87 Difference]: Start difference. First operand 1494 states and 2045 transitions. Second operand 8 states. [2020-08-21 23:04:21,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:04:21,820 INFO L93 Difference]: Finished difference Result 5740 states and 8408 transitions. [2020-08-21 23:04:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 23:04:21,821 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-08-21 23:04:21,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:04:21,822 INFO L225 Difference]: With dead ends: 5740 [2020-08-21 23:04:21,822 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:04:21,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 23:04:21,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:04:21,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:04:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:04:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:04:21,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2020-08-21 23:04:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:04:21,834 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:04:21,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:04:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:04:21,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:04:21,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:04:21,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:04:22,389 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 20 [2020-08-21 23:04:22,523 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:04:22,523 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-21 23:04:22,524 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:04:22,524 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-21 23:04:22,524 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-21 23:04:22,524 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,524 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,524 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,525 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-21 23:04:22,526 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 23:04:22,526 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 23:04:22,526 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 23:04:22,527 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-21 23:04:22,527 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-21 23:04:22,527 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-21 23:04:22,527 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-21 23:04:22,527 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,527 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,527 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,528 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-21 23:04:22,528 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-21 23:04:22,528 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 23:04:22,528 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 23:04:22,528 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 23:04:22,528 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-21 23:04:22,528 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-21 23:04:22,529 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-21 23:04:22,529 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,529 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,529 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,529 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-21 23:04:22,529 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 23:04:22,530 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 23:04:22,531 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 23:04:22,531 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-21 23:04:22,532 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-21 23:04:22,532 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-21 23:04:22,532 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-21 23:04:22,532 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-21 23:04:22,534 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,534 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,534 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,535 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-21 23:04:22,535 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 23:04:22,535 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 23:04:22,535 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 23:04:22,535 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-21 23:04:22,535 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-21 23:04:22,536 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-21 23:04:22,537 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,537 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,537 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,537 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-21 23:04:22,538 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 23:04:22,538 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 23:04:22,538 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 23:04:22,538 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-21 23:04:22,538 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-21 23:04:22,538 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-21 23:04:22,538 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-21 23:04:22,539 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-21 23:04:22,539 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,539 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,539 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,539 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,539 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-21 23:04:22,540 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 23:04:22,543 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 23:04:22,543 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 23:04:22,543 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-21 23:04:22,543 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-21 23:04:22,544 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-21 23:04:22,544 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-21 23:04:22,544 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,544 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,544 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,544 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 23:04:22,544 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 23:04:22,545 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 23:04:22,547 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-21 23:04:22,547 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-21 23:04:22,547 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-21 23:04:22,547 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-21 23:04:22,547 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-21 23:04:22,548 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,548 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,548 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,548 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-21 23:04:22,548 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-21 23:04:22,548 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 23:04:22,548 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 23:04:22,549 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 23:04:22,549 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-21 23:04:22,549 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (= 6 |old(~a15~0)|)) (or .cse0 (= 7 |old(~a21~0)|)))) [2020-08-21 23:04:22,549 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-21 23:04:22,549 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-21 23:04:22,549 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,550 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,553 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,553 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 23:04:22,553 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 23:04:22,553 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 23:04:22,553 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-21 23:04:22,553 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-21 23:04:22,553 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 23:04:22,554 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 23:04:22,555 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 23:04:22,556 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-21 23:04:22,556 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-21 23:04:22,558 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-21 23:04:22,558 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-21 23:04:22,558 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,558 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,559 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,559 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-21 23:04:22,559 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 23:04:22,559 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 23:04:22,559 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 23:04:22,559 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-21 23:04:22,559 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 23:04:22,560 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-21 23:04:22,561 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-21 23:04:22,561 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-21 23:04:22,561 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-21 23:04:22,561 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-21 23:04:22,561 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-08-21 23:04:22,561 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,562 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,562 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-21 23:04:22,562 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 23:04:22,562 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 23:04:22,562 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-21 23:04:22,562 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-21 23:04:22,562 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-21 23:04:22,563 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,563 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,563 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-21 23:04:22,563 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-21 23:04:22,563 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 23:04:22,563 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 23:04:22,563 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-21 23:04:22,564 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-21 23:04:22,564 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-21 23:04:22,564 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-21 23:04:22,564 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,564 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,564 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-21 23:04:22,565 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-21 23:04:22,565 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 23:04:22,566 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 23:04:22,566 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-21 23:04:22,566 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-21 23:04:22,566 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-21 23:04:22,567 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,570 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,570 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,570 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-21 23:04:22,570 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-21 23:04:22,570 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 23:04:22,571 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 23:04:22,571 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-21 23:04:22,571 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-21 23:04:22,571 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,571 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,571 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 23:04:22,571 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,572 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-21 23:04:22,574 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-21 23:04:22,575 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-21 23:04:22,575 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 23:04:22,575 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 23:04:22,575 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 23:04:22,575 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-21 23:04:22,575 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-21 23:04:22,575 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 23:04:22,576 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 23:04:22,577 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-21 23:04:22,578 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-21 23:04:22,578 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-21 23:04:22,578 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-21 23:04:22,578 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,579 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,579 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,579 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-21 23:04:22,579 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-21 23:04:22,579 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 23:04:22,580 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 23:04:22,580 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-21 23:04:22,581 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-21 23:04:22,582 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-21 23:04:22,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:04:22,584 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (= ~a15~0 8)) [2020-08-21 23:04:22,585 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:04:22,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:04:22,585 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-08-21 23:04:22,586 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-21 23:04:22,586 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 7 ~a21~0)) (not (= ~a15~0 6)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-08-21 23:04:22,586 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-21 23:04:22,586 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-21 23:04:22,586 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (= 7 ~a21~0)) (not (= ~a15~0 6)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-08-21 23:04:22,587 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-21 23:04:22,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:04:22 BoogieIcfgContainer [2020-08-21 23:04:22,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:04:22,610 INFO L168 Benchmark]: Toolchain (without parser) took 16994.25 ms. Allocated memory was 138.4 MB in the beginning and 412.1 MB in the end (delta: 273.7 MB). Free memory was 99.3 MB in the beginning and 347.7 MB in the end (delta: -248.4 MB). Peak memory consumption was 293.7 MB. Max. memory is 7.1 GB. [2020-08-21 23:04:22,611 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 23:04:22,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.55 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.9 MB in the beginning and 155.9 MB in the end (delta: -57.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-08-21 23:04:22,613 INFO L168 Benchmark]: Boogie Preprocessor took 134.05 ms. Allocated memory is still 201.9 MB. Free memory was 155.2 MB in the beginning and 150.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-21 23:04:22,614 INFO L168 Benchmark]: RCFGBuilder took 1598.30 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 149.5 MB in the beginning and 142.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. [2020-08-21 23:04:22,615 INFO L168 Benchmark]: TraceAbstraction took 14397.37 ms. Allocated memory was 232.8 MB in the beginning and 412.1 MB in the end (delta: 179.3 MB). Free memory was 142.6 MB in the beginning and 347.7 MB in the end (delta: -205.2 MB). Peak memory consumption was 242.6 MB. Max. memory is 7.1 GB. [2020-08-21 23:04:22,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 855.55 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.9 MB in the beginning and 155.9 MB in the end (delta: -57.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.05 ms. Allocated memory is still 201.9 MB. Free memory was 155.2 MB in the beginning and 150.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1598.30 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 149.5 MB in the beginning and 142.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14397.37 ms. Allocated memory was 232.8 MB in the beginning and 412.1 MB in the end (delta: 179.3 MB). Free memory was 142.6 MB in the beginning and 347.7 MB in the end (delta: -205.2 MB). Peak memory consumption was 242.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 880]: Loop Invariant Derived loop invariant: ((((!(7 == a21) || !(a15 == 6)) || !(8 == \old(a15))) || !(7 <= \old(a21))) || !(\old(a21) <= 7)) || !(\old(a12) + 49 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 114 SDtfs, 4611 SDslu, 139 SDs, 0 SdLazy, 6158 SolverSat, 1696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1494occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 748 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 89 NumberOfFragments, 171 HoareAnnotationTreeSize, 43 FomulaSimplifications, 5303 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1635 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 551 ConstructedInterpolants, 0 QuantifiedInterpolants, 250160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 242/251 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...