/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/Problem02_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:10:21,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:10:21,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:10:21,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-21 14:10:21,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:10:21,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:10:21,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:10:21,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:10:21,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:10:21,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:10:21,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:10:21,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:10:21,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:10:21,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:10:21,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:10:21,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:10:21,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 14:10:21,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:10:21,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:10:21,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:10:21,975 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 14:10:22,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:10:22,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:10:22,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:10:22,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:10:22,035 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:10:22,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:10:22,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:10:22,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:10:22,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:10:22,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:10:22,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:10:22,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:10:22,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:10:22,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:10:22,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:10:22,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:10:22,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:10:22,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:10:22,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:10:22,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:10:22,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:10:22,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:10:22,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:10:22,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:10:22,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:10:22,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:10:22,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:10:22,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:10:22,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:10:22,042 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 14:10:22,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:10:22,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:10:22,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:10:22,412 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:10:22,414 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:10:22,416 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29.c [2020-08-21 14:10:22,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ef35b258/72e8709e441a4cb283cf9deeeb404dfb/FLAGae8bdf1aa [2020-08-21 14:10:23,038 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:10:23,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label29.c [2020-08-21 14:10:23,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ef35b258/72e8709e441a4cb283cf9deeeb404dfb/FLAGae8bdf1aa [2020-08-21 14:10:23,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ef35b258/72e8709e441a4cb283cf9deeeb404dfb [2020-08-21 14:10:23,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:10:23,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:10:23,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:10:23,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:10:23,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:10:23,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:10:23" (1/1) ... [2020-08-21 14:10:23,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72532b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:23, skipping insertion in model container [2020-08-21 14:10:23,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:10:23" (1/1) ... [2020-08-21 14:10:23,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:10:23,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:10:23,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:10:23,820 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:10:24,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:10:24,051 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:10:24,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24 WrapperNode [2020-08-21 14:10:24,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:10:24,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:10:24,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:10:24,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:10:24,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (1/1) ... [2020-08-21 14:10:24,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (1/1) ... [2020-08-21 14:10:24,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (1/1) ... [2020-08-21 14:10:24,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (1/1) ... [2020-08-21 14:10:24,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (1/1) ... [2020-08-21 14:10:24,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (1/1) ... [2020-08-21 14:10:24,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (1/1) ... [2020-08-21 14:10:24,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:10:24,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:10:24,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:10:24,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:10:24,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (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 14:10:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:10:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:10:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 14:10:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:10:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 14:10:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:10:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:10:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 14:10:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:10:24,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:10:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:10:25,482 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:10:25,482 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 14:10:25,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:10:25 BoogieIcfgContainer [2020-08-21 14:10:25,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:10:25,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:10:25,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:10:25,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:10:25,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:10:23" (1/3) ... [2020-08-21 14:10:25,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3657346b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:10:25, skipping insertion in model container [2020-08-21 14:10:25,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:10:24" (2/3) ... [2020-08-21 14:10:25,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3657346b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:10:25, skipping insertion in model container [2020-08-21 14:10:25,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:10:25" (3/3) ... [2020-08-21 14:10:25,499 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label29.c [2020-08-21 14:10:25,511 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:10:25,520 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:10:25,538 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:10:25,568 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:10:25,568 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:10:25,568 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:10:25,569 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:10:25,569 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:10:25,569 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:10:25,569 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:10:25,570 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:10:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 14:10:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-21 14:10:25,607 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:10:25,608 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] [2020-08-21 14:10:25,609 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:10:25,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:10:25,622 INFO L82 PathProgramCache]: Analyzing trace with hash 370140070, now seen corresponding path program 1 times [2020-08-21 14:10:25,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:10:25,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690520507] [2020-08-21 14:10:25,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:10:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:26,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:10:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:26,178 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 14:10:26,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690520507] [2020-08-21 14:10:26,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:10:26,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:10:26,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603439560] [2020-08-21 14:10:26,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:10:26,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:10:26,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:10:26,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:10:26,209 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 14:10:28,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:10:28,379 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2020-08-21 14:10:28,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:10:28,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-08-21 14:10:28,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:10:28,400 INFO L225 Difference]: With dead ends: 828 [2020-08-21 14:10:28,400 INFO L226 Difference]: Without dead ends: 494 [2020-08-21 14:10:28,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:10:28,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-08-21 14:10:28,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2020-08-21 14:10:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-08-21 14:10:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2020-08-21 14:10:28,514 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 108 [2020-08-21 14:10:28,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:10:28,515 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2020-08-21 14:10:28,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:10:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2020-08-21 14:10:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-08-21 14:10:28,522 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:10:28,522 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 14:10:28,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:10:28,523 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:10:28,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:10:28,523 INFO L82 PathProgramCache]: Analyzing trace with hash 330075201, now seen corresponding path program 1 times [2020-08-21 14:10:28,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:10:28,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704109878] [2020-08-21 14:10:28,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:10:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:28,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:10:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:28,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:10:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:10:28,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704109878] [2020-08-21 14:10:28,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:10:28,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 14:10:28,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186046702] [2020-08-21 14:10:28,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:10:28,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:10:28,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:10:28,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:10:28,841 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 5 states. [2020-08-21 14:10:30,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:10:30,121 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2020-08-21 14:10:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:10:30,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-08-21 14:10:30,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:10:30,133 INFO L225 Difference]: With dead ends: 1392 [2020-08-21 14:10:30,133 INFO L226 Difference]: Without dead ends: 923 [2020-08-21 14:10:30,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:10:30,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-08-21 14:10:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 917. [2020-08-21 14:10:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-08-21 14:10:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1280 transitions. [2020-08-21 14:10:30,198 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1280 transitions. Word has length 116 [2020-08-21 14:10:30,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:10:30,199 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1280 transitions. [2020-08-21 14:10:30,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:10:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1280 transitions. [2020-08-21 14:10:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-08-21 14:10:30,206 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:10:30,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:30,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:10:30,207 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:10:30,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:10:30,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1697071904, now seen corresponding path program 1 times [2020-08-21 14:10:30,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:10:30,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096855891] [2020-08-21 14:10:30,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:10:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:30,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:10:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:30,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:10:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:10:30,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096855891] [2020-08-21 14:10:30,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:10:30,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:10:30,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590709394] [2020-08-21 14:10:30,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:10:30,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:10:30,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:10:30,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:10:30,444 INFO L87 Difference]: Start difference. First operand 917 states and 1280 transitions. Second operand 8 states. [2020-08-21 14:10:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:10:32,483 INFO L93 Difference]: Finished difference Result 3319 states and 4809 transitions. [2020-08-21 14:10:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:10:32,483 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-08-21 14:10:32,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:10:32,500 INFO L225 Difference]: With dead ends: 3319 [2020-08-21 14:10:32,500 INFO L226 Difference]: Without dead ends: 2408 [2020-08-21 14:10:32,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-21 14:10:32,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2020-08-21 14:10:32,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2398. [2020-08-21 14:10:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2398 states. [2020-08-21 14:10:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 3202 transitions. [2020-08-21 14:10:32,619 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 3202 transitions. Word has length 141 [2020-08-21 14:10:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:10:32,620 INFO L479 AbstractCegarLoop]: Abstraction has 2398 states and 3202 transitions. [2020-08-21 14:10:32,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:10:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 3202 transitions. [2020-08-21 14:10:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-21 14:10:32,629 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:10:32,630 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:10:32,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:10:32,630 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:10:32,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:10:32,631 INFO L82 PathProgramCache]: Analyzing trace with hash -44436932, now seen corresponding path program 1 times [2020-08-21 14:10:32,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:10:32,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344371632] [2020-08-21 14:10:32,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:10:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:10:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:10:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:32,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-08-21 14:10:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:32,810 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 14:10:32,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344371632] [2020-08-21 14:10:32,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:10:32,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 14:10:32,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615170595] [2020-08-21 14:10:32,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:10:32,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:10:32,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:10:32,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:10:32,813 INFO L87 Difference]: Start difference. First operand 2398 states and 3202 transitions. Second operand 8 states. [2020-08-21 14:10:33,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:10:33,646 INFO L93 Difference]: Finished difference Result 4537 states and 6395 transitions. [2020-08-21 14:10:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 14:10:33,647 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-08-21 14:10:33,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:10:33,667 INFO L225 Difference]: With dead ends: 4537 [2020-08-21 14:10:33,668 INFO L226 Difference]: Without dead ends: 2145 [2020-08-21 14:10:33,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:10:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2020-08-21 14:10:33,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2089. [2020-08-21 14:10:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-08-21 14:10:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2627 transitions. [2020-08-21 14:10:33,821 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2627 transitions. Word has length 161 [2020-08-21 14:10:33,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:10:33,822 INFO L479 AbstractCegarLoop]: Abstraction has 2089 states and 2627 transitions. [2020-08-21 14:10:33,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:10:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2627 transitions. [2020-08-21 14:10:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-21 14:10:33,832 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:10:33,832 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:10:33,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:10:33,833 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:10:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:10:33,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1631620049, now seen corresponding path program 1 times [2020-08-21 14:10:33,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:10:33,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084231810] [2020-08-21 14:10:33,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:10:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:34,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:10:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:34,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:10:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:34,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 14:10:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:34,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 14:10:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:10:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-21 14:10:34,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084231810] [2020-08-21 14:10:34,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:10:34,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 14:10:34,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621133050] [2020-08-21 14:10:34,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:10:34,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:10:34,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:10:34,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:10:34,138 INFO L87 Difference]: Start difference. First operand 2089 states and 2627 transitions. Second operand 9 states. [2020-08-21 14:10:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:10:37,066 INFO L93 Difference]: Finished difference Result 4606 states and 5877 transitions. [2020-08-21 14:10:37,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:10:37,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2020-08-21 14:10:37,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:10:37,067 INFO L225 Difference]: With dead ends: 4606 [2020-08-21 14:10:37,067 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:10:37,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:10:37,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:10:37,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:10:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:10:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:10:37,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2020-08-21 14:10:37,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:10:37,079 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:10:37,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:10:37,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:10:37,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:10:37,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:10:37,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:10:37,773 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 36 [2020-08-21 14:10:37,997 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2020-08-21 14:10:38,185 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2020-08-21 14:10:38,192 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:10:38,193 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-21 14:10:38,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:10:38,193 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,193 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,194 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,194 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,194 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,194 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 14:10:38,194 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 14:10:38,194 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 14:10:38,194 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 14:10:38,195 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 14:10:38,200 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 14:10:38,200 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 14:10:38,201 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 14:10:38,201 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 14:10:38,201 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 14:10:38,201 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 14:10:38,201 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 14:10:38,201 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 14:10:38,202 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,202 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,202 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,202 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,202 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 14:10:38,202 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,202 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 14:10:38,203 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 14:10:38,204 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 14:10:38,206 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 14:10:38,207 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 14:10:38,207 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 14:10:38,207 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 14:10:38,207 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 14:10:38,207 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,207 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,208 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,208 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,208 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,208 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 478) no Hoare annotation was computed. [2020-08-21 14:10:38,208 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 14:10:38,208 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 14:10:38,208 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 14:10:38,209 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 14:10:38,209 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 14:10:38,209 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 14:10:38,209 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 14:10:38,209 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 14:10:38,209 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 14:10:38,209 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 14:10:38,210 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 14:10:38,210 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,210 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,210 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,210 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,210 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,210 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 14:10:38,211 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 14:10:38,212 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 14:10:38,212 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 14:10:38,212 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 14:10:38,212 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 14:10:38,212 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,212 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,212 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,213 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,213 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,213 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 14:10:38,213 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 14:10:38,213 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 14:10:38,214 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 14:10:38,214 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 14:10:38,214 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 14:10:38,214 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 14:10:38,214 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 14:10:38,215 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 14:10:38,215 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 14:10:38,215 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 14:10:38,215 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 14:10:38,215 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 14:10:38,215 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 14:10:38,216 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 14:10:38,216 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 14:10:38,216 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,216 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,216 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,216 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,216 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 14:10:38,217 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,217 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 14:10:38,217 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,217 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 14:10:38,217 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 14:10:38,217 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 14:10:38,218 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 14:10:38,219 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 14:10:38,219 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 14:10:38,219 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 14:10:38,219 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 14:10:38,219 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 14:10:38,219 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,219 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,220 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,220 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,220 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,220 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,220 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 14:10:38,220 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 14:10:38,220 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 14:10:38,221 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 14:10:38,221 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 14:10:38,221 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 14:10:38,221 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 14:10:38,221 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 14:10:38,221 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 14:10:38,222 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 14:10:38,222 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 14:10:38,222 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,222 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,222 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,222 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,222 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,223 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,223 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 14:10:38,223 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 14:10:38,223 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 14:10:38,223 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 14:10:38,223 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 14:10:38,223 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 14:10:38,224 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 14:10:38,224 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 14:10:38,224 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 14:10:38,224 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 14:10:38,224 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 14:10:38,224 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 14:10:38,224 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 14:10:38,225 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 14:10:38,225 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,225 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,225 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,225 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a17~0)| 7))) (.cse3 (= |old(~a17~0)| |old(~a28~0)|)) (.cse0 (not (= |old(~a19~0)| 1))) (.cse1 (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|))) (.cse4 (not (= 8 |old(~a17~0)|)))) (and (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1 .cse2) (or (= 8 |old(~a28~0)|) .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse1 (= |old(~a25~0)| 1) .cse4) (or .cse0 .cse1 .cse4))) [2020-08-21 14:10:38,225 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,226 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,226 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,226 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 14:10:38,226 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 14:10:38,226 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 14:10:38,226 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 14:10:38,226 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 14:10:38,227 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 14:10:38,228 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 14:10:38,229 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,230 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,231 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,231 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,231 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 14:10:38,231 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 14:10:38,231 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 14:10:38,231 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 14:10:38,232 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 14:10:38,232 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 14:10:38,232 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 14:10:38,232 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 14:10:38,232 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 14:10:38,232 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 14:10:38,232 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 14:10:38,233 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 14:10:38,233 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 14:10:38,233 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 14:10:38,233 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 14:10:38,233 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 14:10:38,233 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 14:10:38,233 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 14:10:38,234 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 14:10:38,234 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 14:10:38,234 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:10:38,234 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0)) [2020-08-21 14:10:38,234 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:10:38,234 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:10:38,235 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|)) [2020-08-21 14:10:38,235 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse4 (not (= ~a28~0 8))) (.cse3 (<= ~a17~0 7)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= 8 |old(~a17~0)|))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse1 (<= ~a28~0 7) .cse3 .cse2) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) .cse0 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse4 .cse2) (not (<= |old(~a25~0)| 0)) (and (not (= ~a28~0 ~a17~0)) .cse4 .cse3 .cse2) (and .cse0 .cse2 (not (= ~a25~0 1))) (= |old(~a17~0)| |old(~a28~0)|))) [2020-08-21 14:10:38,235 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 14:10:38,235 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 14:10:38,235 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse4 (not (= ~a28~0 8))) (.cse3 (<= ~a17~0 7)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= 8 |old(~a17~0)|))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse1 (<= ~a28~0 7) .cse3 .cse2) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) .cse0 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse4 .cse2) (not (<= |old(~a25~0)| 0)) (and (not (= ~a28~0 ~a17~0)) .cse4 .cse3 .cse2) (and .cse0 .cse2 (not (= ~a25~0 1))) (= |old(~a17~0)| |old(~a28~0)|))) [2020-08-21 14:10:38,236 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 14:10:38,236 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 14:10:38,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:10:38 BoogieIcfgContainer [2020-08-21 14:10:38,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:10:38,264 INFO L168 Benchmark]: Toolchain (without parser) took 14941.97 ms. Allocated memory was 143.1 MB in the beginning and 438.8 MB in the end (delta: 295.7 MB). Free memory was 105.1 MB in the beginning and 361.6 MB in the end (delta: -256.4 MB). Peak memory consumption was 258.6 MB. Max. memory is 7.1 GB. [2020-08-21 14:10:38,265 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 14:10:38,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.68 ms. Allocated memory was 143.1 MB in the beginning and 207.1 MB in the end (delta: 64.0 MB). Free memory was 104.9 MB in the beginning and 174.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-08-21 14:10:38,267 INFO L168 Benchmark]: Boogie Preprocessor took 101.54 ms. Allocated memory is still 207.1 MB. Free memory was 174.5 MB in the beginning and 169.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:10:38,268 INFO L168 Benchmark]: RCFGBuilder took 1334.91 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 169.2 MB in the beginning and 171.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:10:38,269 INFO L168 Benchmark]: TraceAbstraction took 12771.00 ms. Allocated memory was 235.4 MB in the beginning and 438.8 MB in the end (delta: 203.4 MB). Free memory was 171.5 MB in the beginning and 361.6 MB in the end (delta: -190.1 MB). Peak memory consumption was 232.7 MB. Max. memory is 7.1 GB. [2020-08-21 14:10:38,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.68 ms. Allocated memory was 143.1 MB in the beginning and 207.1 MB in the end (delta: 64.0 MB). Free memory was 104.9 MB in the beginning and 174.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.54 ms. Allocated memory is still 207.1 MB. Free memory was 174.5 MB in the beginning and 169.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1334.91 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 169.2 MB in the beginning and 171.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12771.00 ms. Allocated memory was 235.4 MB in the beginning and 438.8 MB in the end (delta: 203.4 MB). Free memory was 171.5 MB in the beginning and 361.6 MB in the end (delta: -190.1 MB). Peak memory consumption was 232.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 478]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((a17 == \old(a17) && a19 == 1) && 8 == \old(a17)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || (((a19 == 1 && a28 <= 7) && a17 <= 7) && 8 == \old(a17))) || !(\old(a19) == 1)) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || ((a17 == \old(a17) && !(a28 == 8)) && 8 == \old(a17))) || !(\old(a25) <= 0)) || (((!(a28 == a17) && !(a28 == 8)) && a17 <= 7) && 8 == \old(a17))) || ((a17 == \old(a17) && 8 == \old(a17)) && !(a25 == 1))) || \old(a17) == \old(a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 4031 SDslu, 262 SDs, 0 SdLazy, 5050 SolverSat, 1145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2398occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 99 NumberOfFragments, 428 HoareAnnotationTreeSize, 63 FomulaSimplifications, 4002 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1700 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 699 NumberOfCodeBlocks, 699 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 694 ConstructedInterpolants, 0 QuantifiedInterpolants, 242892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 182/209 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...