/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:55:07,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:55:07,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:55:07,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 18:55:07,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 18:55:07,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 18:55:07,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 18:55:07,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 18:55:07,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 18:55:07,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 18:55:07,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 18:55:07,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 18:55:07,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:55:07,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:55:07,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:55:07,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:55:07,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:55:07,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:55:07,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:55:07,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:55:07,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:55:07,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:55:07,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:55:07,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:55:07,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:55:07,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:55:07,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:55:07,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:55:07,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 18:55:07,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:55:07,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:55:07,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:55:07,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:55:07,190 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:55:07,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:55:07,190 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:55:07,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:55:07,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:55:07,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:55:07,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:55:07,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:55:07,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:55:07,192 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:55:07,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:55:07,192 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:55:07,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:55:07,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:55:07,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:55:07,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:55:07,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:55:07,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:55:07,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:55:07,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:55:07,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:55:07,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:55:07,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:55:07,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:55:07,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:55:07,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:55:07,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:55:07,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:55:07,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:55:07,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:55:07,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-11-06 18:55:07,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b24031f/bb47f9cda27543ee99e3e3b8b4fdd9b9/FLAGf2af7a38e [2019-11-06 18:55:08,067 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:55:08,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-11-06 18:55:08,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b24031f/bb47f9cda27543ee99e3e3b8b4fdd9b9/FLAGf2af7a38e [2019-11-06 18:55:08,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b24031f/bb47f9cda27543ee99e3e3b8b4fdd9b9 [2019-11-06 18:55:08,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:55:08,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:55:08,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:55:08,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:55:08,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:55:08,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:55:08" (1/1) ... [2019-11-06 18:55:08,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cee4a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:08, skipping insertion in model container [2019-11-06 18:55:08,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:55:08" (1/1) ... [2019-11-06 18:55:08,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:55:08,461 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:55:09,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:55:09,012 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:55:09,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:55:09,150 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:55:09,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09 WrapperNode [2019-11-06 18:55:09,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:55:09,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:55:09,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:55:09,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:55:09,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... [2019-11-06 18:55:09,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... [2019-11-06 18:55:09,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... [2019-11-06 18:55:09,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... [2019-11-06 18:55:09,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... [2019-11-06 18:55:09,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... [2019-11-06 18:55:09,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... [2019-11-06 18:55:09,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:55:09,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:55:09,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:55:09,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:55:09,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-06 18:55:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:55:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:55:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:55:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:55:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:55:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:55:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:55:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:55:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:55:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:55:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:55:10,749 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:55:10,753 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:55:10,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:55:10 BoogieIcfgContainer [2019-11-06 18:55:10,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:55:10,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:55:10,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:55:10,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:55:10,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:55:08" (1/3) ... [2019-11-06 18:55:10,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b6e31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:55:10, skipping insertion in model container [2019-11-06 18:55:10,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:09" (2/3) ... [2019-11-06 18:55:10,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b6e31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:55:10, skipping insertion in model container [2019-11-06 18:55:10,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:55:10" (3/3) ... [2019-11-06 18:55:10,772 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2019-11-06 18:55:10,786 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:55:10,797 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:55:10,809 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:55:10,854 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:55:10,854 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:55:10,855 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:55:10,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:55:10,855 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:55:10,855 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:55:10,855 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:55:10,856 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:55:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-11-06 18:55:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-06 18:55:10,915 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:10,916 INFO L410 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] [2019-11-06 18:55:10,918 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:10,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2019-11-06 18:55:10,935 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:10,936 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948294258] [2019-11-06 18:55:10,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:11,630 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948294258] [2019-11-06 18:55:11,631 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:55:11,631 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:55:11,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463783523] [2019-11-06 18:55:11,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:55:11,641 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:11,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:55:11,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:55:11,665 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-11-06 18:55:13,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:13,175 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-11-06 18:55:13,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 18:55:13,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2019-11-06 18:55:13,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:13,194 INFO L225 Difference]: With dead ends: 557 [2019-11-06 18:55:13,194 INFO L226 Difference]: Without dead ends: 286 [2019-11-06 18:55:13,201 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:55:13,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-06 18:55:13,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-11-06 18:55:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-11-06 18:55:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-11-06 18:55:13,277 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 100 [2019-11-06 18:55:13,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:13,278 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-11-06 18:55:13,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:55:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-11-06 18:55:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-06 18:55:13,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:13,284 INFO L410 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] [2019-11-06 18:55:13,284 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:13,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2019-11-06 18:55:13,285 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:13,285 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125319137] [2019-11-06 18:55:13,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:13,596 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:13,596 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125319137] [2019-11-06 18:55:13,597 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:55:13,597 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:55:13,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686514611] [2019-11-06 18:55:13,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:55:13,600 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:13,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:55:13,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:55:13,601 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-11-06 18:55:15,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:15,172 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-11-06 18:55:15,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 18:55:15,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2019-11-06 18:55:15,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:15,179 INFO L225 Difference]: With dead ends: 713 [2019-11-06 18:55:15,179 INFO L226 Difference]: Without dead ends: 439 [2019-11-06 18:55:15,181 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:55:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-11-06 18:55:15,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-11-06 18:55:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-06 18:55:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-11-06 18:55:15,220 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 110 [2019-11-06 18:55:15,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:15,220 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-11-06 18:55:15,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:55:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-11-06 18:55:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-06 18:55:15,224 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:15,225 INFO L410 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] [2019-11-06 18:55:15,225 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:15,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:15,225 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2019-11-06 18:55:15,226 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:15,226 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991417716] [2019-11-06 18:55:15,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:15,438 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991417716] [2019-11-06 18:55:15,438 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100916901] [2019-11-06 18:55:15,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:15,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 18:55:15,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:15,577 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:55:15,577 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-11-06 18:55:15,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696769683] [2019-11-06 18:55:15,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:55:15,579 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:15,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:55:15,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:55:15,579 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-11-06 18:55:16,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:16,067 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2019-11-06 18:55:16,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:55:16,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-11-06 18:55:16,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:16,080 INFO L225 Difference]: With dead ends: 1247 [2019-11-06 18:55:16,080 INFO L226 Difference]: Without dead ends: 832 [2019-11-06 18:55:16,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:55:16,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-11-06 18:55:16,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-11-06 18:55:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-11-06 18:55:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2019-11-06 18:55:16,148 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 111 [2019-11-06 18:55:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:16,150 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2019-11-06 18:55:16,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:55:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2019-11-06 18:55:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-06 18:55:16,159 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:16,159 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 18:55:16,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:16,364 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:16,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:16,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2019-11-06 18:55:16,365 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:16,365 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961864659] [2019-11-06 18:55:16,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:16,595 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961864659] [2019-11-06 18:55:16,596 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:55:16,596 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:55:16,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397809497] [2019-11-06 18:55:16,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:55:16,597 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:16,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:55:16,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:55:16,598 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand 9 states. [2019-11-06 18:55:18,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:18,497 INFO L93 Difference]: Finished difference Result 2808 states and 4147 transitions. [2019-11-06 18:55:18,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 18:55:18,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2019-11-06 18:55:18,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:18,512 INFO L225 Difference]: With dead ends: 2808 [2019-11-06 18:55:18,512 INFO L226 Difference]: Without dead ends: 1982 [2019-11-06 18:55:18,516 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-06 18:55:18,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2019-11-06 18:55:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2019-11-06 18:55:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2019-11-06 18:55:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2019-11-06 18:55:18,604 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 125 [2019-11-06 18:55:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:18,604 INFO L462 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2019-11-06 18:55:18,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:55:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2019-11-06 18:55:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-06 18:55:18,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:18,612 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:55:18,612 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:18,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:18,613 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2019-11-06 18:55:18,613 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:18,613 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853172227] [2019-11-06 18:55:18,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:55:18,823 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853172227] [2019-11-06 18:55:18,823 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117652081] [2019-11-06 18:55:18,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:18,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 18:55:18,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:18,969 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:55:18,969 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-11-06 18:55:18,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652752683] [2019-11-06 18:55:18,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:55:18,971 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:18,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:55:18,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:55:18,972 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 9 states. [2019-11-06 18:55:20,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:20,196 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2019-11-06 18:55:20,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 18:55:20,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2019-11-06 18:55:20,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:20,210 INFO L225 Difference]: With dead ends: 3541 [2019-11-06 18:55:20,210 INFO L226 Difference]: Without dead ends: 2004 [2019-11-06 18:55:20,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-06 18:55:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2019-11-06 18:55:20,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2019-11-06 18:55:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2019-11-06 18:55:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2019-11-06 18:55:20,290 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 142 [2019-11-06 18:55:20,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:20,290 INFO L462 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2019-11-06 18:55:20,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:55:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2019-11-06 18:55:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-06 18:55:20,296 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:20,297 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:55:20,501 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:20,502 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:20,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:20,503 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2019-11-06 18:55:20,503 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:20,503 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563724988] [2019-11-06 18:55:20,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:55:20,709 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563724988] [2019-11-06 18:55:20,709 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370579696] [2019-11-06 18:55:20,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:20,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-06 18:55:20,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 18:55:20,939 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:55:20,939 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-11-06 18:55:20,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776294216] [2019-11-06 18:55:20,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 18:55:20,940 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:20,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 18:55:20,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-06 18:55:20,950 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 10 states. [2019-11-06 18:55:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:23,893 INFO L93 Difference]: Finished difference Result 3998 states and 5549 transitions. [2019-11-06 18:55:23,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-06 18:55:23,894 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2019-11-06 18:55:23,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:23,913 INFO L225 Difference]: With dead ends: 3998 [2019-11-06 18:55:23,914 INFO L226 Difference]: Without dead ends: 2320 [2019-11-06 18:55:23,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2019-11-06 18:55:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2019-11-06 18:55:24,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1712. [2019-11-06 18:55:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2019-11-06 18:55:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2019-11-06 18:55:24,021 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 146 [2019-11-06 18:55:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:24,022 INFO L462 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2019-11-06 18:55:24,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 18:55:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2019-11-06 18:55:24,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-06 18:55:24,032 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:24,032 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 18:55:24,237 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:24,238 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:24,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:24,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2019-11-06 18:55:24,239 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:24,239 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181802891] [2019-11-06 18:55:24,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:55:24,645 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181802891] [2019-11-06 18:55:24,646 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209108292] [2019-11-06 18:55:24,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:24,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-06 18:55:24,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-06 18:55:24,934 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:55:24,935 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-11-06 18:55:24,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48137969] [2019-11-06 18:55:24,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 18:55:24,936 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:24,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 18:55:24,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-06 18:55:24,937 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 10 states. [2019-11-06 18:55:27,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:27,778 INFO L93 Difference]: Finished difference Result 5643 states and 7685 transitions. [2019-11-06 18:55:27,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-11-06 18:55:27,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2019-11-06 18:55:27,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:27,803 INFO L225 Difference]: With dead ends: 5643 [2019-11-06 18:55:27,804 INFO L226 Difference]: Without dead ends: 3937 [2019-11-06 18:55:27,811 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2019-11-06 18:55:27,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2019-11-06 18:55:27,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 3299. [2019-11-06 18:55:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2019-11-06 18:55:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4179 transitions. [2019-11-06 18:55:27,962 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4179 transitions. Word has length 166 [2019-11-06 18:55:27,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:27,962 INFO L462 AbstractCegarLoop]: Abstraction has 3299 states and 4179 transitions. [2019-11-06 18:55:27,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 18:55:27,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4179 transitions. [2019-11-06 18:55:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-06 18:55:27,974 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:27,974 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 18:55:28,179 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:28,180 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:28,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:28,181 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2019-11-06 18:55:28,181 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:28,181 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284828820] [2019-11-06 18:55:28,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-06 18:55:28,428 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284828820] [2019-11-06 18:55:28,428 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211891005] [2019-11-06 18:55:28,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:28,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-06 18:55:28,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-06 18:55:28,677 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:55:28,678 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-11-06 18:55:28,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501235729] [2019-11-06 18:55:28,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 18:55:28,680 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:28,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 18:55:28,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-06 18:55:28,681 INFO L87 Difference]: Start difference. First operand 3299 states and 4179 transitions. Second operand 10 states. [2019-11-06 18:55:32,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:32,616 INFO L93 Difference]: Finished difference Result 6832 states and 8795 transitions. [2019-11-06 18:55:32,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-06 18:55:32,617 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2019-11-06 18:55:32,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:32,618 INFO L225 Difference]: With dead ends: 6832 [2019-11-06 18:55:32,618 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:55:32,632 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2019-11-06 18:55:32,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:55:32,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:55:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:55:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:55:32,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2019-11-06 18:55:32,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:32,634 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:55:32,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 18:55:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:55:32,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:55:32,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:32,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:55:33,576 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-11-06 18:55:33,838 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-11-06 18:55:35,188 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 186 DAG size of output: 71 [2019-11-06 18:55:36,101 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2019-11-06 18:55:36,940 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2019-11-06 18:55:36,943 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:55:36,943 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:55:36,944 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:55:36,944 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-06 18:55:36,944 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-06 18:55:36,944 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,944 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,944 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,944 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-06 18:55:36,945 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,946 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-06 18:55:36,947 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-06 18:55:36,948 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-06 18:55:36,949 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,950 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-06 18:55:36,951 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-06 18:55:36,952 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-06 18:55:36,953 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-06 18:55:36,954 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-06 18:55:36,955 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-06 18:55:36,956 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-06 18:55:36,957 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-06 18:55:36,957 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-06 18:55:36,957 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-06 18:55:36,957 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-06 18:55:36,957 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-06 18:55:36,957 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-06 18:55:36,957 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse13 (not (<= |old(~a21~0)| 0))) (.cse18 (not (<= |old(~a16~0)| 5))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse10 (not (= 1 |old(~a20~0)|)))) (let ((.cse15 (or .cse0 (not (<= 5 |old(~a16~0)|)) .cse10)) (.cse17 (or .cse18 (= 13 |old(~a8~0)|))) (.cse16 (or .cse18 .cse13)) (.cse14 (or .cse0 .cse10 .cse18)) (.cse19 (not (= 1 |old(~a7~0)|))) (.cse9 (not (= 1 |old(~a17~0)|))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse11 (and .cse1 .cse4 .cse5 .cse2 .cse6 .cse3)) (.cse12 (not (<= |old(~a17~0)| 0))) (.cse8 (not (<= 15 |old(~a8~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse12 .cse13) (or (and (or .cse14 .cse7 .cse9) (or .cse7 .cse15 .cse9)) (and (and .cse1 .cse4) .cse5 .cse2 .cse6 .cse3)) (or .cse11 .cse12 .cse16) (or .cse11 (or .cse0 .cse17 .cse7 .cse9)) (or .cse11 (or .cse0 .cse18 .cse7) .cse12) (or (and .cse1 .cse2 .cse4 .cse5 .cse6 (= ~a20~0 1)) .cse7 .cse12 .cse15) (or .cse0 .cse17 .cse19 .cse11 .cse12) (or .cse11 .cse16 .cse9) (or .cse11 .cse14 .cse19 .cse9) (or .cse0 .cse7 .cse11 .cse12 .cse8)))) [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-06 18:55:36,958 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2019-11-06 18:55:36,959 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-06 18:55:36,960 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-06 18:55:36,961 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (= ~a21~0 1) (= ~a20~0 1) (<= ~a7~0 0)) [2019-11-06 18:55:36,962 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:55:36,962 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 1)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-11-06 18:55:36,962 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:55:36,963 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse8 (and (<= 5 ~a16~0) .cse2 .cse5)) (.cse0 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse4 (<= ~a21~0 0)) (.cse6 (and .cse10 .cse2 .cse5)) (.cse7 (= ~a17~0 1)) (.cse11 (= 1 ~a7~0)) (.cse9 (and (and .cse10 (not (= ~a8~0 13))) .cse2)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse1 .cse5) (or (and .cse6 .cse7 .cse3) (and .cse7 .cse8 .cse3)) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse9 .cse7 .cse3) (and (and .cse8 .cse3) .cse1) (and .cse4 .cse10 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse7 .cse2 .cse3) (and (and .cse10 .cse2 .cse3) .cse1) (and .cse4 .cse10 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse11 (and .cse6 .cse7)) (not (<= |old(~a16~0)| 5)) (and .cse11 .cse9 .cse1)))) [2019-11-06 18:55:36,963 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-06 18:55:36,963 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-06 18:55:36,963 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse8 (and (<= 5 ~a16~0) .cse2 .cse5)) (.cse0 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse4 (<= ~a21~0 0)) (.cse6 (and .cse10 .cse2 .cse5)) (.cse7 (= ~a17~0 1)) (.cse11 (= 1 ~a7~0)) (.cse9 (and (and .cse10 (not (= ~a8~0 13))) .cse2)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse1 .cse5) (or (and .cse6 .cse7 .cse3) (and .cse7 .cse8 .cse3)) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse9 .cse7 .cse3) (and (and .cse8 .cse3) .cse1) (and .cse4 .cse10 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse7 .cse2 .cse3) (and (and .cse10 .cse2 .cse3) .cse1) (and .cse4 .cse10 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse11 (and .cse6 .cse7)) (not (<= |old(~a16~0)| 5)) (and .cse11 .cse9 .cse1)))) [2019-11-06 18:55:36,963 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:55:36,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:55:36 BoogieIcfgContainer [2019-11-06 18:55:36,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:55:36,990 INFO L168 Benchmark]: Toolchain (without parser) took 28602.08 ms. Allocated memory was 144.7 MB in the beginning and 557.3 MB in the end (delta: 412.6 MB). Free memory was 99.9 MB in the beginning and 280.8 MB in the end (delta: -180.9 MB). Peak memory consumption was 434.3 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:36,990 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-06 18:55:36,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.60 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 99.5 MB in the beginning and 168.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:36,992 INFO L168 Benchmark]: Boogie Preprocessor took 136.36 ms. Allocated memory is still 203.9 MB. Free memory was 168.4 MB in the beginning and 163.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:36,992 INFO L168 Benchmark]: RCFGBuilder took 1466.73 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 179.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:36,993 INFO L168 Benchmark]: TraceAbstraction took 26230.94 ms. Allocated memory was 236.5 MB in the beginning and 557.3 MB in the end (delta: 320.9 MB). Free memory was 179.1 MB in the beginning and 280.8 MB in the end (delta: -101.7 MB). Peak memory consumption was 421.8 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:36,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.60 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 99.5 MB in the beginning and 168.4 MB in the end (delta: -68.9 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.36 ms. Allocated memory is still 203.9 MB. Free memory was 168.4 MB in the beginning and 163.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.73 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 179.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26230.94 ms. Allocated memory was 236.5 MB in the beginning and 557.3 MB in the end (delta: 320.9 MB). Free memory was 179.1 MB in the beginning and 280.8 MB in the end (delta: -101.7 MB). Peak memory consumption was 421.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: (((((((((((((((((((15 <= a8 && a17 <= 0) && a21 == 1) && a7 <= 0) || !(1 == \old(a21))) || ((a21 <= 0 && a17 <= 0) && a20 == 1)) || ((((a16 <= 5 && a21 == 1) && a20 == 1) && a17 == 1) && a7 <= 0) || ((a17 == 1 && (5 <= a16 && a21 == 1) && a20 == 1) && a7 <= 0)) || !(15 <= \old(a8))) || !(5 <= \old(a16))) || !(1 == \old(a20))) || ((((a16 <= 5 && !(a8 == 13)) && a21 == 1) && a17 == 1) && a7 <= 0)) || ((((5 <= a16 && a21 == 1) && a20 == 1) && a7 <= 0) && a17 <= 0)) || ((a21 <= 0 && a16 <= 5) && a17 <= 0)) || !(\old(a7) <= 0)) || (((15 <= a8 && a17 == 1) && a21 == 1) && a7 <= 0)) || (((a16 <= 5 && a21 == 1) && a7 <= 0) && a17 <= 0)) || ((a21 <= 0 && a16 <= 5) && a17 == 1)) || !(1 == \old(a17))) || (1 == a7 && ((a16 <= 5 && a21 == 1) && a20 == 1) && a17 == 1)) || !(\old(a16) <= 5)) || ((1 == a7 && (a16 <= 5 && !(a8 == 13)) && a21 == 1) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 26.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, HoareTripleCheckerStatistics: 273 SDtfs, 4780 SDslu, 434 SDs, 0 SdLazy, 8788 SolverSat, 2058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 831 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3299occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2029 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 172 NumberOfFragments, 982 HoareAnnotationTreeSize, 108 FomulaSimplifications, 291442 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 27186 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1873 NumberOfCodeBlocks, 1873 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 797480 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2249 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 565/735 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...