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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:52:06,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:52:06,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:52:06,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:52:06,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:52:06,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:52:06,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:52:06,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:52:06,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:52:06,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:52:06,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:52:06,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:52:06,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:52:06,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:52:06,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:52:06,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:52:06,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:52:06,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:52:06,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:52:06,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:52:06,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:52:06,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:52:06,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:52:06,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:52:06,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:52:06,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:52:06,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:52:06,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:52:06,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:52:06,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:52:06,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:52:06,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:52:06,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:52:06,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:52:06,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:52:06,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:52:06,626 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 [2019-10-14 21:52:06,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:52:06,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:52:06,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:52:06,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:52:06,642 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:52:06,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:52:06,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:52:06,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:52:06,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:52:06,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:52:06,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:52:06,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:52:06,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:52:06,644 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:52:06,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:52:06,644 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:52:06,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:52:06,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:52:06,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:52:06,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:52:06,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:52:06,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:52:06,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:52:06,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:52:06,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:52:06,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:52:06,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:52:06,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:52:06,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:52:06,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:52:06,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:52:06,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:52:06,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:52:06,964 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:52:06,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2019-10-14 21:52:07,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf1d04404/7463b3aa35cf4238924564af5ad40947/FLAGb5acf92cc [2019-10-14 21:52:07,666 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:52:07,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2019-10-14 21:52:07,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf1d04404/7463b3aa35cf4238924564af5ad40947/FLAGb5acf92cc [2019-10-14 21:52:07,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf1d04404/7463b3aa35cf4238924564af5ad40947 [2019-10-14 21:52:07,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:52:07,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:52:07,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:52:07,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:52:07,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:52:07,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:52:07" (1/1) ... [2019-10-14 21:52:07,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebafe9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:07, skipping insertion in model container [2019-10-14 21:52:07,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:52:07" (1/1) ... [2019-10-14 21:52:07,990 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:52:08,056 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:52:08,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:52:08,596 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:52:08,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:52:08,746 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:52:08,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08 WrapperNode [2019-10-14 21:52:08,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:52:08,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:52:08,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:52:08,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:52:08,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (1/1) ... [2019-10-14 21:52:08,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (1/1) ... [2019-10-14 21:52:08,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (1/1) ... [2019-10-14 21:52:08,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (1/1) ... [2019-10-14 21:52:08,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (1/1) ... [2019-10-14 21:52:08,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (1/1) ... [2019-10-14 21:52:08,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (1/1) ... [2019-10-14 21:52:08,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:52:08,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:52:08,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:52:08,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:52:08,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (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 [2019-10-14 21:52:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:52:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:52:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:52:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:52:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:52:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:52:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:52:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:52:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:52:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:52:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:52:10,167 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:52:10,170 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:52:10,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:52:10 BoogieIcfgContainer [2019-10-14 21:52:10,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:52:10,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:52:10,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:52:10,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:52:10,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:52:07" (1/3) ... [2019-10-14 21:52:10,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18df76df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:52:10, skipping insertion in model container [2019-10-14 21:52:10,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:08" (2/3) ... [2019-10-14 21:52:10,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18df76df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:52:10, skipping insertion in model container [2019-10-14 21:52:10,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:52:10" (3/3) ... [2019-10-14 21:52:10,189 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2019-10-14 21:52:10,203 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:52:10,215 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:52:10,227 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:52:10,258 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:52:10,258 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:52:10,259 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:52:10,259 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:52:10,259 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:52:10,259 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:52:10,259 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:52:10,260 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:52:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-14 21:52:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-14 21:52:10,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:10,297 INFO L380 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] [2019-10-14 21:52:10,299 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:10,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:10,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2019-10-14 21:52:10,316 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:10,316 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448936637] [2019-10-14 21:52:10,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:10,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:10,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:10,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448936637] [2019-10-14 21:52:10,950 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:52:10,950 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:52:10,950 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333663222] [2019-10-14 21:52:10,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:52:10,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:10,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:52:10,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:52:10,983 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-14 21:52:12,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:12,509 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-14 21:52:12,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 21:52:12,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2019-10-14 21:52:12,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:12,527 INFO L225 Difference]: With dead ends: 557 [2019-10-14 21:52:12,527 INFO L226 Difference]: Without dead ends: 286 [2019-10-14 21:52:12,534 INFO L600 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 [2019-10-14 21:52:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-14 21:52:12,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-14 21:52:12,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 21:52:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-14 21:52:12,607 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 91 [2019-10-14 21:52:12,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:12,608 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-14 21:52:12,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:52:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-14 21:52:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-14 21:52:12,614 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:12,614 INFO L380 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] [2019-10-14 21:52:12,614 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:12,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:12,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2019-10-14 21:52:12,615 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:12,616 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367907615] [2019-10-14 21:52:12,616 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:12,616 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:12,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:12,845 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367907615] [2019-10-14 21:52:12,845 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:52:12,846 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:52:12,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722866989] [2019-10-14 21:52:12,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:52:12,849 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:12,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:52:12,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:12,849 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-14 21:52:14,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:14,237 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-14 21:52:14,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 21:52:14,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2019-10-14 21:52:14,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:14,243 INFO L225 Difference]: With dead ends: 713 [2019-10-14 21:52:14,244 INFO L226 Difference]: Without dead ends: 439 [2019-10-14 21:52:14,246 INFO L600 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 [2019-10-14 21:52:14,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-14 21:52:14,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-14 21:52:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-14 21:52:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-14 21:52:14,282 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 101 [2019-10-14 21:52:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:14,283 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-14 21:52:14,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:52:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-14 21:52:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-14 21:52:14,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:14,289 INFO L380 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] [2019-10-14 21:52:14,289 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:14,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:14,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2019-10-14 21:52:14,290 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:14,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213696621] [2019-10-14 21:52:14,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:14,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:14,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:14,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213696621] [2019-10-14 21:52:14,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870587837] [2019-10-14 21:52:14,576 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 [2019-10-14 21:52:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:14,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:52:14,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:14,785 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:14,785 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-10-14 21:52:14,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648100684] [2019-10-14 21:52:14,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:52:14,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:14,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:52:14,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:52:14,800 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-14 21:52:15,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:15,355 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2019-10-14 21:52:15,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:52:15,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-10-14 21:52:15,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:15,365 INFO L225 Difference]: With dead ends: 1247 [2019-10-14 21:52:15,365 INFO L226 Difference]: Without dead ends: 832 [2019-10-14 21:52:15,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:52:15,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-14 21:52:15,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-14 21:52:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-14 21:52:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2019-10-14 21:52:15,442 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 102 [2019-10-14 21:52:15,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:15,443 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2019-10-14 21:52:15,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:52:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2019-10-14 21:52:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-14 21:52:15,451 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:15,452 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:52:15,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:15,657 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:15,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:15,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2011229172, now seen corresponding path program 1 times [2019-10-14 21:52:15,659 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:15,659 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188684554] [2019-10-14 21:52:15,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:15,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:15,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:15,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188684554] [2019-10-14 21:52:15,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348537243] [2019-10-14 21:52:15,869 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 [2019-10-14 21:52:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:15,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:52:15,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:15,975 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:15,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-10-14 21:52:15,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400279873] [2019-10-14 21:52:15,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:52:15,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:15,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:52:15,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:52:15,977 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2019-10-14 21:52:16,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:16,540 INFO L93 Difference]: Finished difference Result 2341 states and 3195 transitions. [2019-10-14 21:52:16,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:52:16,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-10-14 21:52:16,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:16,550 INFO L225 Difference]: With dead ends: 2341 [2019-10-14 21:52:16,550 INFO L226 Difference]: Without dead ends: 1515 [2019-10-14 21:52:16,553 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:52:16,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2019-10-14 21:52:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1241. [2019-10-14 21:52:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2019-10-14 21:52:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1668 transitions. [2019-10-14 21:52:16,636 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1668 transitions. Word has length 103 [2019-10-14 21:52:16,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:16,638 INFO L462 AbstractCegarLoop]: Abstraction has 1241 states and 1668 transitions. [2019-10-14 21:52:16,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:52:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1668 transitions. [2019-10-14 21:52:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-14 21:52:16,643 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:16,644 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:52:16,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:16,850 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:16,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:16,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2004252269, now seen corresponding path program 1 times [2019-10-14 21:52:16,851 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:16,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756802747] [2019-10-14 21:52:16,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:16,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:16,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:52:17,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756802747] [2019-10-14 21:52:17,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036294132] [2019-10-14 21:52:17,081 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 [2019-10-14 21:52:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:17,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:52:17,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-14 21:52:17,295 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:17,295 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-14 21:52:17,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077506572] [2019-10-14 21:52:17,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:52:17,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:17,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:52:17,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:17,298 INFO L87 Difference]: Start difference. First operand 1241 states and 1668 transitions. Second operand 3 states. [2019-10-14 21:52:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:17,781 INFO L93 Difference]: Finished difference Result 3294 states and 4517 transitions. [2019-10-14 21:52:17,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:52:17,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-10-14 21:52:17,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:17,794 INFO L225 Difference]: With dead ends: 3294 [2019-10-14 21:52:17,794 INFO L226 Difference]: Without dead ends: 2059 [2019-10-14 21:52:17,797 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2019-10-14 21:52:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 2059. [2019-10-14 21:52:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2019-10-14 21:52:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2640 transitions. [2019-10-14 21:52:17,885 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2640 transitions. Word has length 125 [2019-10-14 21:52:17,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:17,886 INFO L462 AbstractCegarLoop]: Abstraction has 2059 states and 2640 transitions. [2019-10-14 21:52:17,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:52:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2640 transitions. [2019-10-14 21:52:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-14 21:52:17,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:17,892 INFO L380 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, 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] [2019-10-14 21:52:18,096 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:18,102 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:18,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:18,102 INFO L82 PathProgramCache]: Analyzing trace with hash 996009503, now seen corresponding path program 1 times [2019-10-14 21:52:18,102 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:18,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166255530] [2019-10-14 21:52:18,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:18,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:18,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:52:18,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166255530] [2019-10-14 21:52:18,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162331857] [2019-10-14 21:52:18,317 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 [2019-10-14 21:52:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:18,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:52:18,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:18,491 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:52:18,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:52:18,492 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187104208] [2019-10-14 21:52:18,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:52:18,493 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:18,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:52:18,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:52:18,494 INFO L87 Difference]: Start difference. First operand 2059 states and 2640 transitions. Second operand 11 states. [2019-10-14 21:52:22,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:22,093 INFO L93 Difference]: Finished difference Result 4624 states and 6605 transitions. [2019-10-14 21:52:22,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-10-14 21:52:22,093 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2019-10-14 21:52:22,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:22,112 INFO L225 Difference]: With dead ends: 4624 [2019-10-14 21:52:22,112 INFO L226 Difference]: Without dead ends: 2267 [2019-10-14 21:52:22,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=268, Invalid=992, Unknown=0, NotChecked=0, Total=1260 [2019-10-14 21:52:22,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2019-10-14 21:52:22,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 1555. [2019-10-14 21:52:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2019-10-14 21:52:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 1772 transitions. [2019-10-14 21:52:22,206 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 1772 transitions. Word has length 145 [2019-10-14 21:52:22,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:22,206 INFO L462 AbstractCegarLoop]: Abstraction has 1555 states and 1772 transitions. [2019-10-14 21:52:22,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:52:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1772 transitions. [2019-10-14 21:52:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-14 21:52:22,211 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:22,211 INFO L380 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, 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] [2019-10-14 21:52:22,415 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:22,415 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:22,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:22,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1157453929, now seen corresponding path program 1 times [2019-10-14 21:52:22,416 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:22,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018748086] [2019-10-14 21:52:22,416 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:22,416 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:22,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-14 21:52:22,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018748086] [2019-10-14 21:52:22,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114904355] [2019-10-14 21:52:22,666 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 [2019-10-14 21:52:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:22,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:52:22,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-14 21:52:22,796 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:22,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:52:22,797 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094258867] [2019-10-14 21:52:22,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:52:22,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:22,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:52:22,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:52:22,798 INFO L87 Difference]: Start difference. First operand 1555 states and 1772 transitions. Second operand 3 states. [2019-10-14 21:52:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:23,199 INFO L93 Difference]: Finished difference Result 4208 states and 4847 transitions. [2019-10-14 21:52:23,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:52:23,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-14 21:52:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:23,211 INFO L225 Difference]: With dead ends: 4208 [2019-10-14 21:52:23,212 INFO L226 Difference]: Without dead ends: 2659 [2019-10-14 21:52:23,216 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:52:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2019-10-14 21:52:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2242. [2019-10-14 21:52:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2242 states. [2019-10-14 21:52:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2559 transitions. [2019-10-14 21:52:23,280 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2559 transitions. Word has length 149 [2019-10-14 21:52:23,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:23,280 INFO L462 AbstractCegarLoop]: Abstraction has 2242 states and 2559 transitions. [2019-10-14 21:52:23,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:52:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2559 transitions. [2019-10-14 21:52:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-14 21:52:23,286 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:23,287 INFO L380 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] [2019-10-14 21:52:23,498 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:23,498 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:23,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:23,499 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2019-10-14 21:52:23,499 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:23,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592184359] [2019-10-14 21:52:23,499 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:23,499 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:23,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:52:23,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592184359] [2019-10-14 21:52:23,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971704034] [2019-10-14 21:52:23,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:23,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:52:23,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:23,841 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:52:23,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-14 21:52:23,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377865522] [2019-10-14 21:52:23,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:52:23,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:23,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:52:23,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:23,849 INFO L87 Difference]: Start difference. First operand 2242 states and 2559 transitions. Second operand 9 states. [2019-10-14 21:52:25,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:25,130 INFO L93 Difference]: Finished difference Result 4538 states and 5257 transitions. [2019-10-14 21:52:25,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:52:25,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-14 21:52:25,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:25,131 INFO L225 Difference]: With dead ends: 4538 [2019-10-14 21:52:25,131 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:52:25,141 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:52:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:52:25,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:52:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:52:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:52:25,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-14 21:52:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:25,143 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:52:25,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:52:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:52:25,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:52:25,347 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:25,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:52:25,793 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 85 [2019-10-14 21:52:25,913 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 85 [2019-10-14 21:52:26,925 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 60 [2019-10-14 21:52:27,214 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2019-10-14 21:52:27,433 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2019-10-14 21:52:27,436 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:52:27,437 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)|)) [2019-10-14 21:52:27,437 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:52:27,437 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-14 21:52:27,437 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-14 21:52:27,437 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,437 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,437 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,437 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-14 21:52:27,438 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,439 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-14 21:52:27,440 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-14 21:52:27,441 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-14 21:52:27,442 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-14 21:52:27,443 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,444 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,445 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-14 21:52:27,446 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-14 21:52:27,447 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-14 21:52:27,448 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-14 21:52:27,449 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-14 21:52:27,449 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-14 21:52:27,449 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a16~0)| 5))) (.cse7 (not (= 1 |old(~a21~0)|))) (.cse11 (not (<= 5 |old(~a16~0)|))) (.cse4 (not (= 1 |old(~a20~0)|)))) (let ((.cse9 (not (<= |old(~a16~0)| 4))) (.cse2 (not (= 1 |old(~a7~0)|))) (.cse6 (or .cse7 .cse11 .cse4)) (.cse10 (or .cse7 .cse11 .cse1)) (.cse5 (not (<= |old(~a17~0)| 0))) (.cse0 (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|))) (.cse8 (not (<= 15 |old(~a8~0)|))) (.cse3 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse2 .cse5 .cse0) (or .cse5 .cse0 .cse6) (or .cse7 .cse0 .cse5 .cse8) (or (or .cse7 .cse4 .cse9) .cse0) (or (or .cse7 .cse9 .cse5) .cse0) (or .cse10 .cse0 .cse3) (or (or .cse9 .cse2) .cse0) (or .cse0 .cse6 .cse3) (or .cse10 .cse5 .cse0) (or .cse7 .cse0 .cse8 .cse3)))) [2019-10-14 21:52:27,449 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-14 21:52:27,449 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,449 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-14 21:52:27,450 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-14 21:52:27,451 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-14 21:52:27,452 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-14 21:52:27,453 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-14 21:52:27,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:52:27,454 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)) [2019-10-14 21:52:27,454 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:52:27,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:52:27,454 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 (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-10-14 21:52:27,454 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:52:27,454 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse6 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1)) (.cse4 (<= ~a16~0 5)) (.cse3 (= ~a17~0 1)) (.cse5 (= ~a21~0 1)) (.cse0 (= 1 ~a7~0)) (.cse7 (<= ~a16~0 4))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse3 (and .cse0 .cse4)) (and .cse3 .cse5 .cse2) (and .cse6 .cse3 .cse5) (and .cse1 .cse5 .cse2) (and .cse4 .cse1 .cse5) (and .cse6 .cse1 .cse5) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse2 .cse7) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse3 (<= 5 ~a16~0) .cse5) (and .cse0 .cse7))) [2019-10-14 21:52:27,454 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-14 21:52:27,454 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-14 21:52:27,455 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse6 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1)) (.cse4 (<= ~a16~0 5)) (.cse3 (= ~a17~0 1)) (.cse5 (= ~a21~0 1)) (.cse0 (= 1 ~a7~0)) (.cse7 (<= ~a16~0 4))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse3 (and .cse0 .cse4)) (and .cse3 .cse5 .cse2) (and .cse6 .cse3 .cse5) (and .cse1 .cse5 .cse2) (and .cse4 .cse1 .cse5) (and .cse6 .cse1 .cse5) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse2 .cse7) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse3 (<= 5 ~a16~0) .cse5) (and .cse0 .cse7))) [2019-10-14 21:52:27,455 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:52:27,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:52:27 BoogieIcfgContainer [2019-10-14 21:52:27,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:52:27,476 INFO L168 Benchmark]: Toolchain (without parser) took 19503.15 ms. Allocated memory was 146.3 MB in the beginning and 480.2 MB in the end (delta: 334.0 MB). Free memory was 100.9 MB in the beginning and 317.6 MB in the end (delta: -216.8 MB). Peak memory consumption was 309.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:27,477 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 21:52:27,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.06 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 170.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:27,479 INFO L168 Benchmark]: Boogie Preprocessor took 128.43 ms. Allocated memory is still 205.0 MB. Free memory was 170.0 MB in the beginning and 165.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:27,480 INFO L168 Benchmark]: RCFGBuilder took 1295.23 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 178.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:27,480 INFO L168 Benchmark]: TraceAbstraction took 17299.56 ms. Allocated memory was 238.0 MB in the beginning and 480.2 MB in the end (delta: 242.2 MB). Free memory was 178.6 MB in the beginning and 317.6 MB in the end (delta: -139.0 MB). Peak memory consumption was 295.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:27,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.06 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 170.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.43 ms. Allocated memory is still 205.0 MB. Free memory was 170.0 MB in the beginning and 165.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1295.23 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 178.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17299.56 ms. Allocated memory was 238.0 MB in the beginning and 480.2 MB in the end (delta: 242.2 MB). Free memory was 178.6 MB in the beginning and 317.6 MB in the end (delta: -139.0 MB). Peak memory consumption was 295.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: ((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && a20 == 1)) || !(15 <= \old(a8))) || !(5 <= \old(a16))) || !(1 == \old(a20))) || (a17 == 1 && 1 == a7 && a16 <= 5)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || ((15 <= a8 && a17 == 1) && a21 == 1)) || ((a17 <= 0 && a21 == 1) && a20 == 1)) || ((a16 <= 5 && a17 <= 0) && a21 == 1)) || ((15 <= a8 && a17 <= 0) && a21 == 1)) || !(1 == \old(a17))) || ((a21 == 1 && a20 == 1) && a16 <= 4)) || !(\old(a16) <= 5)) || (((a16 <= 5 && a17 == 1) && 5 <= a16) && a21 == 1)) || (1 == a7 && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 17.1s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, HoareTripleCheckerStatistics: 616 SDtfs, 2476 SDslu, 293 SDs, 0 SdLazy, 5484 SolverSat, 1140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 908 GetRequests, 828 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2242occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1427 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 161 NumberOfFragments, 747 HoareAnnotationTreeSize, 99 FomulaSimplifications, 51111 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2376 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1754 NumberOfCodeBlocks, 1754 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1740 ConstructedInterpolants, 0 QuantifiedInterpolants, 621001 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2399 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 487/501 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...