/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:09:09,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:09:09,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:09:09,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-21 14:09:09,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:09:09,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:09:09,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:09:09,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:09:09,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:09:09,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:09:09,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:09:09,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:09:09,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:09:09,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:09:09,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:09:09,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:09:09,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 14:09:09,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:09:09,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:09:09,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:09:09,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 14:09:09,143 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:09:09,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:09:09,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:09:09,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:09:09,147 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:09:09,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:09:09,148 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:09:09,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:09:09,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:09:09,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:09:09,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:09:09,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:09:09,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:09:09,149 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:09:09,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:09:09,150 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:09:09,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:09:09,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:09:09,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:09:09,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:09:09,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:09:09,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:09:09,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:09:09,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:09:09,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:09:09,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:09:09,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:09:09,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:09:09,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:09:09,154 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 -> log-additional-information=true; [2020-08-21 14:09:09,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:09:09,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:09:09,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:09:09,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:09:09,488 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:09:09,489 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-08-21 14:09:09,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a052f4a2e/bd18797c28f243fc86bfb1f400f4c6db/FLAGb6896cfb1 [2020-08-21 14:09:10,202 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:09:10,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-08-21 14:09:10,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a052f4a2e/bd18797c28f243fc86bfb1f400f4c6db/FLAGb6896cfb1 [2020-08-21 14:09:10,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a052f4a2e/bd18797c28f243fc86bfb1f400f4c6db [2020-08-21 14:09:10,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:09:10,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:09:10,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:09:10,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:09:10,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:09:10,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:09:10" (1/1) ... [2020-08-21 14:09:10,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5211d524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:10, skipping insertion in model container [2020-08-21 14:09:10,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:09:10" (1/1) ... [2020-08-21 14:09:10,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:09:10,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:09:11,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:09:11,100 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:09:11,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:09:11,317 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:09:11,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11 WrapperNode [2020-08-21 14:09:11,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:09:11,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:09:11,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:09:11,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:09:11,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... [2020-08-21 14:09:11,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... [2020-08-21 14:09:11,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... [2020-08-21 14:09:11,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... [2020-08-21 14:09:11,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... [2020-08-21 14:09:11,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... [2020-08-21 14:09:11,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... [2020-08-21 14:09:11,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:09:11,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:09:11,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:09:11,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:09:11,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:09:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:09:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:09:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 14:09:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:09:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 14:09:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:09:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:09:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 14:09:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:09:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:09:11,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:09:12,737 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:09:12,738 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 14:09:12,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:09:12 BoogieIcfgContainer [2020-08-21 14:09:12,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:09:12,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:09:12,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:09:12,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:09:12,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:09:10" (1/3) ... [2020-08-21 14:09:12,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bf13d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:09:12, skipping insertion in model container [2020-08-21 14:09:12,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:09:11" (2/3) ... [2020-08-21 14:09:12,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bf13d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:09:12, skipping insertion in model container [2020-08-21 14:09:12,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:09:12" (3/3) ... [2020-08-21 14:09:12,764 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-08-21 14:09:12,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:09:12,792 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:09:12,810 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:09:12,843 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:09:12,845 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:09:12,845 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:09:12,845 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:09:12,845 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:09:12,845 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:09:12,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:09:12,845 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:09:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-21 14:09:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-08-21 14:09:12,896 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:09:12,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:09:12,898 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:09:12,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:09:12,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1251834154, now seen corresponding path program 1 times [2020-08-21 14:09:12,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:09:12,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488933113] [2020-08-21 14:09:12,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:09:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:09:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:09:13,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488933113] [2020-08-21 14:09:13,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:09:13,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 14:09:13,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934855403] [2020-08-21 14:09:13,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 14:09:13,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:09:13,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 14:09:13,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 14:09:13,608 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-08-21 14:09:15,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:09:15,043 INFO L93 Difference]: Finished difference Result 569 states and 968 transitions. [2020-08-21 14:09:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:09:15,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2020-08-21 14:09:15,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:09:15,061 INFO L225 Difference]: With dead ends: 569 [2020-08-21 14:09:15,061 INFO L226 Difference]: Without dead ends: 286 [2020-08-21 14:09:15,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:09:15,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-21 14:09:15,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-21 14:09:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-21 14:09:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-08-21 14:09:15,149 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 130 [2020-08-21 14:09:15,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:09:15,150 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-08-21 14:09:15,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 14:09:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-08-21 14:09:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-21 14:09:15,155 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:09:15,155 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:09:15,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:09:15,156 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:09:15,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:09:15,157 INFO L82 PathProgramCache]: Analyzing trace with hash -855585613, now seen corresponding path program 1 times [2020-08-21 14:09:15,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:09:15,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118681705] [2020-08-21 14:09:15,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:09:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:15,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:09:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:15,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:09:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:09:15,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118681705] [2020-08-21 14:09:15,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:09:15,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:09:15,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668120276] [2020-08-21 14:09:15,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:09:15,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:09:15,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:09:15,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:09:15,374 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-08-21 14:09:17,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:09:17,368 INFO L93 Difference]: Finished difference Result 1128 states and 1714 transitions. [2020-08-21 14:09:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:09:17,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-21 14:09:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:09:17,379 INFO L225 Difference]: With dead ends: 1128 [2020-08-21 14:09:17,379 INFO L226 Difference]: Without dead ends: 854 [2020-08-21 14:09:17,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:09:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-08-21 14:09:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 840. [2020-08-21 14:09:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-08-21 14:09:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1195 transitions. [2020-08-21 14:09:17,478 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1195 transitions. Word has length 139 [2020-08-21 14:09:17,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:09:17,478 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1195 transitions. [2020-08-21 14:09:17,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:09:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2020-08-21 14:09:17,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-21 14:09:17,486 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:09:17,487 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:09:17,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:09:17,487 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:09:17,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:09:17,488 INFO L82 PathProgramCache]: Analyzing trace with hash -932424019, now seen corresponding path program 1 times [2020-08-21 14:09:17,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:09:17,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798732728] [2020-08-21 14:09:17,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:09:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:17,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:09:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:17,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:09:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:09:17,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798732728] [2020-08-21 14:09:17,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:09:17,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:09:17,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71670577] [2020-08-21 14:09:17,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:09:17,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:09:17,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:09:17,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:09:17,656 INFO L87 Difference]: Start difference. First operand 840 states and 1195 transitions. Second operand 8 states. [2020-08-21 14:09:19,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:09:19,201 INFO L93 Difference]: Finished difference Result 2139 states and 3225 transitions. [2020-08-21 14:09:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 14:09:19,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-08-21 14:09:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:09:19,213 INFO L225 Difference]: With dead ends: 2139 [2020-08-21 14:09:19,213 INFO L226 Difference]: Without dead ends: 1305 [2020-08-21 14:09:19,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:09:19,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2020-08-21 14:09:19,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1267. [2020-08-21 14:09:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2020-08-21 14:09:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1790 transitions. [2020-08-21 14:09:19,287 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1790 transitions. Word has length 140 [2020-08-21 14:09:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:09:19,288 INFO L479 AbstractCegarLoop]: Abstraction has 1267 states and 1790 transitions. [2020-08-21 14:09:19,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:09:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1790 transitions. [2020-08-21 14:09:19,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-08-21 14:09:19,294 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:09:19,294 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:09:19,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:09:19,295 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:09:19,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:09:19,295 INFO L82 PathProgramCache]: Analyzing trace with hash -188990609, now seen corresponding path program 1 times [2020-08-21 14:09:19,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:09:19,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742927176] [2020-08-21 14:09:19,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:09:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:19,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:09:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:09:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:09:19,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742927176] [2020-08-21 14:09:19,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:09:19,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 14:09:19,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041450037] [2020-08-21 14:09:19,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 14:09:19,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:09:19,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 14:09:19,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:09:19,638 INFO L87 Difference]: Start difference. First operand 1267 states and 1790 transitions. Second operand 6 states. [2020-08-21 14:09:20,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:09:20,799 INFO L93 Difference]: Finished difference Result 2633 states and 3787 transitions. [2020-08-21 14:09:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:09:20,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-08-21 14:09:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:09:20,808 INFO L225 Difference]: With dead ends: 2633 [2020-08-21 14:09:20,808 INFO L226 Difference]: Without dead ends: 1271 [2020-08-21 14:09:20,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:09:20,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2020-08-21 14:09:20,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1265. [2020-08-21 14:09:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2020-08-21 14:09:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1636 transitions. [2020-08-21 14:09:20,858 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1636 transitions. Word has length 141 [2020-08-21 14:09:20,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:09:20,859 INFO L479 AbstractCegarLoop]: Abstraction has 1265 states and 1636 transitions. [2020-08-21 14:09:20,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 14:09:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1636 transitions. [2020-08-21 14:09:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-08-21 14:09:20,864 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:09:20,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:09:20,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:09:20,865 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:09:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:09:20,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1244428519, now seen corresponding path program 1 times [2020-08-21 14:09:20,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:09:20,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523722243] [2020-08-21 14:09:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:09:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:09:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:09:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:09:21,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523722243] [2020-08-21 14:09:21,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:09:21,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 14:09:21,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487167839] [2020-08-21 14:09:21,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 14:09:21,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:09:21,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 14:09:21,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:09:21,062 INFO L87 Difference]: Start difference. First operand 1265 states and 1636 transitions. Second operand 6 states. [2020-08-21 14:09:22,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:09:22,453 INFO L93 Difference]: Finished difference Result 3352 states and 4481 transitions. [2020-08-21 14:09:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:09:22,454 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-08-21 14:09:22,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:09:22,472 INFO L225 Difference]: With dead ends: 3352 [2020-08-21 14:09:22,472 INFO L226 Difference]: Without dead ends: 2093 [2020-08-21 14:09:22,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:09:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2020-08-21 14:09:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2087. [2020-08-21 14:09:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-08-21 14:09:22,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2662 transitions. [2020-08-21 14:09:22,560 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2662 transitions. Word has length 145 [2020-08-21 14:09:22,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:09:22,562 INFO L479 AbstractCegarLoop]: Abstraction has 2087 states and 2662 transitions. [2020-08-21 14:09:22,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 14:09:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2662 transitions. [2020-08-21 14:09:22,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-08-21 14:09:22,572 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:09:22,572 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:09:22,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:09:22,574 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:09:22,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:09:22,574 INFO L82 PathProgramCache]: Analyzing trace with hash 2074489051, now seen corresponding path program 1 times [2020-08-21 14:09:22,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:09:22,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515675017] [2020-08-21 14:09:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:09:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:22,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:09:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:22,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:09:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:09:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:09:22,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515675017] [2020-08-21 14:09:22,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:09:22,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 14:09:22,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008409949] [2020-08-21 14:09:22,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 14:09:22,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:09:22,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 14:09:22,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:09:22,887 INFO L87 Difference]: Start difference. First operand 2087 states and 2662 transitions. Second operand 6 states. [2020-08-21 14:09:24,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:09:24,361 INFO L93 Difference]: Finished difference Result 5131 states and 6670 transitions. [2020-08-21 14:09:24,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:09:24,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-08-21 14:09:24,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:09:24,362 INFO L225 Difference]: With dead ends: 5131 [2020-08-21 14:09:24,362 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:09:24,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:09:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:09:24,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:09:24,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:09:24,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:09:24,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-08-21 14:09:24,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:09:24,384 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:09:24,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 14:09:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:09:24,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:09:24,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 14:09:24,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:09:24,687 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-08-21 14:09:24,798 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2020-08-21 14:09:25,367 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 56 [2020-08-21 14:09:25,629 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-08-21 14:09:25,840 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 41 [2020-08-21 14:09:25,844 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:09:25,844 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-21 14:09:25,844 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:09:25,845 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-21 14:09:25,845 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-21 14:09:25,845 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,845 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,845 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,845 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,845 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,846 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,846 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-21 14:09:25,846 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-21 14:09:25,846 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-21 14:09:25,847 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-21 14:09:25,847 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-21 14:09:25,847 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 14:09:25,847 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-21 14:09:25,847 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-21 14:09:25,847 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-21 14:09:25,848 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-21 14:09:25,848 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,848 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,848 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,848 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,849 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,849 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,849 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-21 14:09:25,849 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-21 14:09:25,849 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-21 14:09:25,849 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 14:09:25,849 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-21 14:09:25,850 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-21 14:09:25,850 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-21 14:09:25,850 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-21 14:09:25,850 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-21 14:09:25,850 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-21 14:09:25,850 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-21 14:09:25,850 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,851 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,852 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,853 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,853 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,853 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,853 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-21 14:09:25,853 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-21 14:09:25,853 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-21 14:09:25,853 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-21 14:09:25,854 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-21 14:09:25,855 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,856 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-21 14:09:25,857 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-21 14:09:25,858 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-21 14:09:25,858 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-21 14:09:25,858 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-21 14:09:25,858 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-21 14:09:25,858 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-21 14:09:25,858 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-21 14:09:25,858 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,859 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-21 14:09:25,860 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-21 14:09:25,860 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-21 14:09:25,860 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-21 14:09:25,860 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-21 14:09:25,860 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-21 14:09:25,860 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-21 14:09:25,860 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-21 14:09:25,861 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,861 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,861 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,861 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,861 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,861 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-21 14:09:25,861 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-21 14:09:25,862 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-21 14:09:25,863 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a20~0 |old(~a20~0)|))) (let ((.cse3 (= |old(~a21~0)| 1)) (.cse7 (not (<= |old(~a16~0)| 5))) (.cse5 (and .cse1 .cse0 (= ~a21~0 |old(~a21~0)|) .cse2 (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) (.cse6 (not (<= |old(~a17~0)| 0))) (.cse4 (not (= ~a12~0 8)))) (and (or (not (= |old(~a8~0)| 13)) (not (= |old(~a7~0)| 1)) (not (= |old(~a20~0)| 1)) (and .cse0 .cse1 (= ~a21~0 1) .cse2 (= ~a8~0 13) (= ~a16~0 4)) (not .cse3) .cse4 (not (= 4 |old(~a16~0)|))) (or (not (<= 15 |old(~a8~0)|)) .cse5 .cse6 .cse4) (or (= |old(~a7~0)| |old(~a17~0)|) .cse5 .cse4) (or .cse7 .cse5 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse4)))) [2020-08-21 14:09:25,863 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-21 14:09:25,863 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,863 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-21 14:09:25,864 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,865 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-21 14:09:25,866 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-21 14:09:25,867 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:09:25,868 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a12~0 8) (not (= ~a17~0 ~a7~0)) (<= 15 ~a8~0)) [2020-08-21 14:09:25,868 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:09:25,868 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:09:25,869 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a17~0)|) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= ~a12~0 8))) [2020-08-21 14:09:25,869 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-21 14:09:25,869 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0))) (or (= |old(~a7~0)| |old(~a17~0)|) (and (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (and .cse0 (not (= ~a21~0 1))) (not (<= 15 |old(~a8~0)|)) (not (= ~a17~0 ~a7~0)) (and .cse0 .cse1) (and .cse1 (<= 15 ~a8~0)) (not (= ~a12~0 8)))) [2020-08-21 14:09:25,869 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-21 14:09:25,869 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 14:09:25,869 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0))) (or (= |old(~a7~0)| |old(~a17~0)|) (and (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (and .cse0 (not (= ~a21~0 1))) (not (<= 15 |old(~a8~0)|)) (not (= ~a17~0 ~a7~0)) (and .cse0 .cse1) (and .cse1 (<= 15 ~a8~0)) (not (= ~a12~0 8)))) [2020-08-21 14:09:25,869 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-21 14:09:25,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:09:25 BoogieIcfgContainer [2020-08-21 14:09:25,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:09:25,893 INFO L168 Benchmark]: Toolchain (without parser) took 15410.42 ms. Allocated memory was 143.7 MB in the beginning and 433.6 MB in the end (delta: 289.9 MB). Free memory was 101.1 MB in the beginning and 150.7 MB in the end (delta: -49.7 MB). Peak memory consumption was 304.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:09:25,894 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 143.7 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 14:09:25,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.21 ms. Allocated memory was 143.7 MB in the beginning and 205.5 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 171.1 MB in the end (delta: -70.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-08-21 14:09:25,896 INFO L168 Benchmark]: Boogie Preprocessor took 109.70 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 165.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-08-21 14:09:25,897 INFO L168 Benchmark]: RCFGBuilder took 1323.63 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 178.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-08-21 14:09:25,898 INFO L168 Benchmark]: TraceAbstraction took 13137.46 ms. Allocated memory was 238.0 MB in the beginning and 433.6 MB in the end (delta: 195.6 MB). Free memory was 178.1 MB in the beginning and 150.7 MB in the end (delta: 27.4 MB). Peak memory consumption was 287.0 MB. Max. memory is 7.1 GB. [2020-08-21 14:09:25,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 143.7 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.21 ms. Allocated memory was 143.7 MB in the beginning and 205.5 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 171.1 MB in the end (delta: -70.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.70 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 165.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.63 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 178.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13137.46 ms. Allocated memory was 238.0 MB in the beginning and 433.6 MB in the end (delta: 195.6 MB). Free memory was 178.1 MB in the beginning and 150.7 MB in the end (delta: 27.4 MB). Peak memory consumption was 287.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((\old(a7) == \old(a17) || (((a8 == 13 && a20 == 1) && a16 == 4) && a17 == 1)) || !(\old(a16) <= 5)) || (a16 <= 5 && !(a21 == 1))) || !(15 <= \old(a8))) || !(a17 == a7)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || !(a12 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 2598 SDslu, 186 SDs, 0 SdLazy, 4761 SolverSat, 820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2087occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 70 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 123 NumberOfFragments, 385 HoareAnnotationTreeSize, 73 FomulaSimplifications, 37550 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6882 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 878 NumberOfCodeBlocks, 878 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 664046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 80/83 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...