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/Problem10_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:57:19,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:57:19,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:57:19,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:57:19,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:57:19,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:57:19,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:57:19,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:57:19,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:57:19,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:57:19,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:57:19,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:57:19,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:57:19,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:57:19,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:57:19,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:57:19,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:57:19,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:57:19,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:57:19,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:57:19,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:57:19,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:57:19,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:57:19,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:57:19,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:57:19,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:57:19,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:57:19,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:57:19,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:57:19,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:57:19,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:57:19,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:57:19,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:57:19,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:57:19,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:57:19,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:57:19,493 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 [2019-10-13 17:57:19,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:57:19,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:57:19,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:57:19,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:57:19,508 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:57:19,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:57:19,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:57:19,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:57:19,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:57:19,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:57:19,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:57:19,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:57:19,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:57:19,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:57:19,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:57:19,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:57:19,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:57:19,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:57:19,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:57:19,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:57:19,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:57:19,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:57:19,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:57:19,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:57:19,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:57:19,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:57:19,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:57:19,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:57:19,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:57:19,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:57:19,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:57:19,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:57:19,808 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:57:19,809 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:57:19,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2019-10-13 17:57:19,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e4de5da/71c79f711ad849f8809bd529c6931578/FLAG9740fa42a [2019-10-13 17:57:20,442 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:57:20,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label01.c [2019-10-13 17:57:20,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e4de5da/71c79f711ad849f8809bd529c6931578/FLAG9740fa42a [2019-10-13 17:57:20,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e4de5da/71c79f711ad849f8809bd529c6931578 [2019-10-13 17:57:20,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:57:20,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:57:20,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:20,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:57:20,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:57:20,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:20" (1/1) ... [2019-10-13 17:57:20,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ee01de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:20, skipping insertion in model container [2019-10-13 17:57:20,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:20" (1/1) ... [2019-10-13 17:57:20,706 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:57:20,766 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:57:21,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:21,322 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:57:21,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:21,460 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:57:21,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21 WrapperNode [2019-10-13 17:57:21,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:21,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:57:21,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:57:21,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:57:21,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (1/1) ... [2019-10-13 17:57:21,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (1/1) ... [2019-10-13 17:57:21,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (1/1) ... [2019-10-13 17:57:21,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (1/1) ... [2019-10-13 17:57:21,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (1/1) ... [2019-10-13 17:57:21,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (1/1) ... [2019-10-13 17:57:21,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (1/1) ... [2019-10-13 17:57:21,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:57:21,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:57:21,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:57:21,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:57:21,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (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 [2019-10-13 17:57:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:57:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:57:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:57:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:57:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:57:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:57:22,931 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:57:22,932 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:57:22,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:22 BoogieIcfgContainer [2019-10-13 17:57:22,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:57:22,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:57:22,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:57:22,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:57:22,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:57:20" (1/3) ... [2019-10-13 17:57:22,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afb94b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:22, skipping insertion in model container [2019-10-13 17:57:22,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:21" (2/3) ... [2019-10-13 17:57:22,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afb94b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:22, skipping insertion in model container [2019-10-13 17:57:22,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:22" (3/3) ... [2019-10-13 17:57:22,946 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label01.c [2019-10-13 17:57:22,957 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:57:22,966 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:57:22,978 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:57:23,006 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:57:23,006 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:57:23,006 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:57:23,006 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:57:23,007 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:57:23,007 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:57:23,007 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:57:23,007 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:57:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-13 17:57:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 17:57:23,056 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:23,057 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] [2019-10-13 17:57:23,059 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:23,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1584910874, now seen corresponding path program 1 times [2019-10-13 17:57:23,074 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:23,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960115420] [2019-10-13 17:57:23,075 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:23,075 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:23,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:23,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960115420] [2019-10-13 17:57:23,578 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:57:23,578 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:57:23,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289361460] [2019-10-13 17:57:23,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:57:23,587 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:23,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:57:23,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:57:23,605 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-13 17:57:25,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:25,730 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2019-10-13 17:57:25,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:57:25,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-10-13 17:57:25,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:25,750 INFO L225 Difference]: With dead ends: 730 [2019-10-13 17:57:25,750 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 17:57:25,758 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:25,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 17:57:25,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2019-10-13 17:57:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-13 17:57:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2019-10-13 17:57:25,845 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 59 [2019-10-13 17:57:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:25,845 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2019-10-13 17:57:25,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:57:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2019-10-13 17:57:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-13 17:57:25,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:25,856 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:57:25,857 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1182154791, now seen corresponding path program 1 times [2019-10-13 17:57:25,857 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:25,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770647058] [2019-10-13 17:57:25,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:25,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:25,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:26,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770647058] [2019-10-13 17:57:26,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822687585] [2019-10-13 17:57:26,239 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 [2019-10-13 17:57:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:26,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:26,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:26,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:57:26,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:57:26,452 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766335191] [2019-10-13 17:57:26,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:57:26,457 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:26,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:57:26,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:26,458 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 3 states. [2019-10-13 17:57:27,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:27,183 INFO L93 Difference]: Finished difference Result 1309 states and 2027 transitions. [2019-10-13 17:57:27,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:57:27,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-13 17:57:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:27,196 INFO L225 Difference]: With dead ends: 1309 [2019-10-13 17:57:27,196 INFO L226 Difference]: Without dead ends: 874 [2019-10-13 17:57:27,198 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:27,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-10-13 17:57:27,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 729. [2019-10-13 17:57:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-10-13 17:57:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1022 transitions. [2019-10-13 17:57:27,248 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1022 transitions. Word has length 178 [2019-10-13 17:57:27,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:27,249 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1022 transitions. [2019-10-13 17:57:27,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:57:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1022 transitions. [2019-10-13 17:57:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-13 17:57:27,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:27,257 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:27,461 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:27,461 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:27,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:27,463 INFO L82 PathProgramCache]: Analyzing trace with hash -32606542, now seen corresponding path program 1 times [2019-10-13 17:57:27,463 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:27,464 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88655031] [2019-10-13 17:57:27,464 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:27,464 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:27,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:28,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88655031] [2019-10-13 17:57:28,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:57:28,009 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:57:28,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611364426] [2019-10-13 17:57:28,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:57:28,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:28,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:57:28,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:57:28,022 INFO L87 Difference]: Start difference. First operand 729 states and 1022 transitions. Second operand 9 states. [2019-10-13 17:57:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:30,130 INFO L93 Difference]: Finished difference Result 2072 states and 3093 transitions. [2019-10-13 17:57:30,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 17:57:30,130 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 185 [2019-10-13 17:57:30,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:30,140 INFO L225 Difference]: With dead ends: 2072 [2019-10-13 17:57:30,140 INFO L226 Difference]: Without dead ends: 1349 [2019-10-13 17:57:30,143 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2019-10-13 17:57:30,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2019-10-13 17:57:30,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 894. [2019-10-13 17:57:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-10-13 17:57:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1140 transitions. [2019-10-13 17:57:30,195 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1140 transitions. Word has length 185 [2019-10-13 17:57:30,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:30,196 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1140 transitions. [2019-10-13 17:57:30,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:57:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1140 transitions. [2019-10-13 17:57:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-10-13 17:57:30,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:30,205 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:30,206 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:30,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1238149995, now seen corresponding path program 1 times [2019-10-13 17:57:30,206 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:30,206 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211383314] [2019-10-13 17:57:30,207 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:30,207 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:30,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:57:30,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211383314] [2019-10-13 17:57:30,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944650497] [2019-10-13 17:57:30,587 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 [2019-10-13 17:57:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:30,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:30,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:30,803 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:57:30,803 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:57:30,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136188637] [2019-10-13 17:57:30,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:57:30,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:30,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:57:30,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:57:30,805 INFO L87 Difference]: Start difference. First operand 894 states and 1140 transitions. Second operand 11 states. [2019-10-13 17:57:34,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:34,290 INFO L93 Difference]: Finished difference Result 3078 states and 4491 transitions. [2019-10-13 17:57:34,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 17:57:34,291 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2019-10-13 17:57:34,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:34,299 INFO L225 Difference]: With dead ends: 3078 [2019-10-13 17:57:34,300 INFO L226 Difference]: Without dead ends: 1103 [2019-10-13 17:57:34,307 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-10-13 17:57:34,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2019-10-13 17:57:34,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1075. [2019-10-13 17:57:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2019-10-13 17:57:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1361 transitions. [2019-10-13 17:57:34,360 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1361 transitions. Word has length 264 [2019-10-13 17:57:34,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:34,360 INFO L462 AbstractCegarLoop]: Abstraction has 1075 states and 1361 transitions. [2019-10-13 17:57:34,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:57:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1361 transitions. [2019-10-13 17:57:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-13 17:57:34,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:34,371 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:57:34,574 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:34,575 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:34,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:34,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1379642397, now seen corresponding path program 1 times [2019-10-13 17:57:34,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:34,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15266500] [2019-10-13 17:57:34,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:34,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:34,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:57:35,130 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15266500] [2019-10-13 17:57:35,130 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714469056] [2019-10-13 17:57:35,130 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 [2019-10-13 17:57:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:35,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:35,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 217 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:35,342 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:57:35,342 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:57:35,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959811799] [2019-10-13 17:57:35,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:57:35,345 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:35,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:57:35,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:57:35,345 INFO L87 Difference]: Start difference. First operand 1075 states and 1361 transitions. Second operand 11 states. [2019-10-13 17:57:36,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:36,771 INFO L93 Difference]: Finished difference Result 2122 states and 2683 transitions. [2019-10-13 17:57:36,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:57:36,771 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 300 [2019-10-13 17:57:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:36,778 INFO L225 Difference]: With dead ends: 2122 [2019-10-13 17:57:36,778 INFO L226 Difference]: Without dead ends: 1069 [2019-10-13 17:57:36,782 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 302 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:57:36,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2019-10-13 17:57:36,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1043. [2019-10-13 17:57:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2019-10-13 17:57:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1253 transitions. [2019-10-13 17:57:36,814 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1253 transitions. Word has length 300 [2019-10-13 17:57:36,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:36,815 INFO L462 AbstractCegarLoop]: Abstraction has 1043 states and 1253 transitions. [2019-10-13 17:57:36,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:57:36,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1253 transitions. [2019-10-13 17:57:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2019-10-13 17:57:36,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:36,822 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:37,026 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:37,026 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:37,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:37,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1236644899, now seen corresponding path program 1 times [2019-10-13 17:57:37,027 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:37,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057652637] [2019-10-13 17:57:37,027 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:37,028 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:37,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 342 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-13 17:57:37,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057652637] [2019-10-13 17:57:37,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519315183] [2019-10-13 17:57:37,626 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 [2019-10-13 17:57:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:37,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:37,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 344 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-13 17:57:37,883 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:57:37,883 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-13 17:57:37,884 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598994169] [2019-10-13 17:57:37,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:57:37,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:37,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:57:37,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:57:37,886 INFO L87 Difference]: Start difference. First operand 1043 states and 1253 transitions. Second operand 9 states. [2019-10-13 17:57:42,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:42,650 INFO L93 Difference]: Finished difference Result 3120 states and 4401 transitions. [2019-10-13 17:57:42,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 17:57:42,650 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 372 [2019-10-13 17:57:42,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:42,665 INFO L225 Difference]: With dead ends: 3120 [2019-10-13 17:57:42,665 INFO L226 Difference]: Without dead ends: 2083 [2019-10-13 17:57:42,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 383 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2019-10-13 17:57:42,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2019-10-13 17:57:42,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1965. [2019-10-13 17:57:42,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2019-10-13 17:57:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2441 transitions. [2019-10-13 17:57:42,760 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2441 transitions. Word has length 372 [2019-10-13 17:57:42,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:42,761 INFO L462 AbstractCegarLoop]: Abstraction has 1965 states and 2441 transitions. [2019-10-13 17:57:42,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:57:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2441 transitions. [2019-10-13 17:57:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2019-10-13 17:57:42,775 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:42,775 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:42,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:42,980 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:42,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:42,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1798207478, now seen corresponding path program 1 times [2019-10-13 17:57:42,980 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:42,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126167159] [2019-10-13 17:57:42,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:42,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:42,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 159 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:57:43,411 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126167159] [2019-10-13 17:57:43,411 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901135910] [2019-10-13 17:57:43,412 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 [2019-10-13 17:57:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 17:57:43,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:43,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 17:57:43,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 17:57:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:57:44,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:57:44,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:57:44,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565862985] [2019-10-13 17:57:44,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:57:44,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:44,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:57:44,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:44,080 INFO L87 Difference]: Start difference. First operand 1965 states and 2441 transitions. Second operand 3 states. [2019-10-13 17:57:46,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:46,295 INFO L93 Difference]: Finished difference Result 4065 states and 5112 transitions. [2019-10-13 17:57:46,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:57:46,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 385 [2019-10-13 17:57:46,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:46,296 INFO L225 Difference]: With dead ends: 4065 [2019-10-13 17:57:46,296 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:57:46,306 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:57:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:57:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:57:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:57:46,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2019-10-13 17:57:46,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:46,308 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:57:46,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:57:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:57:46,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:57:46,512 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:46,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:57:47,244 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2019-10-13 17:57:47,370 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:57:47,371 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-13 17:57:47,371 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:57:47,371 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-13 17:57:47,371 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,371 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,371 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 17:57:47,372 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 17:57:47,373 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-13 17:57:47,373 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-13 17:57:47,373 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 17:57:47,373 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 163) no Hoare annotation was computed. [2019-10-13 17:57:47,373 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-13 17:57:47,373 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-13 17:57:47,373 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-13 17:57:47,374 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-13 17:57:47,375 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,376 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,377 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-13 17:57:47,377 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 17:57:47,377 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 17:57:47,377 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 17:57:47,377 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-13 17:57:47,377 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-13 17:57:47,377 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,378 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-13 17:57:47,379 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,380 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-13 17:57:47,381 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,382 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 17:57:47,383 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-13 17:57:47,384 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-13 17:57:47,384 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-13 17:57:47,384 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-13 17:57:47,384 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-13 17:57:47,384 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,384 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,384 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-13 17:57:47,385 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-13 17:57:47,386 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-13 17:57:47,387 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-13 17:57:47,388 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-13 17:57:47,389 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse3 .cse1 .cse2))) (and (or (forall ((v_~a1~0_347 Int)) (or (not (<= v_~a1~0_347 38)) (= (mod (+ v_~a1~0_347 2) 5) 0) (not (<= (+ |old(~a1~0)| 495231) (div (+ v_~a1~0_347 (- 283353)) 5))) (not (< v_~a1~0_347 283353)))) .cse0 (not (<= |old(~a10~0)| 0))) (or (not (<= 3 |old(~a10~0)|)) .cse0) (or (= 6 |old(~a19~0)|) (and .cse1 .cse2 .cse3))))) [2019-10-13 17:57:47,389 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-13 17:57:47,389 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-13 17:57:47,389 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-13 17:57:47,389 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,389 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 17:57:47,390 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-13 17:57:47,391 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-13 17:57:47,392 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-13 17:57:47,393 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:47,394 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-13 17:57:47,395 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-13 17:57:47,396 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-13 17:57:47,396 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-13 17:57:47,396 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-13 17:57:47,396 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:57:47,396 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-13 17:57:47,396 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:57:47,396 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:57:47,397 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a19~0)| 9)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:57:47,397 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:57:47,397 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= ~a19~0 6)) (<= 3 ~a10~0) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (and (exists ((v_~a1~0_347 Int)) (and (<= v_~a1~0_347 38) (< v_~a1~0_347 283353) (not (= (mod (+ v_~a1~0_347 2) 5) 0)) (<= (+ ~a1~0 495231) (div (+ v_~a1~0_347 (- 283353)) 5)))) (<= ~a10~0 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:57:47,397 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 17:57:47,397 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 17:57:47,397 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= ~a19~0 6)) (<= 3 ~a10~0) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (and (exists ((v_~a1~0_347 Int)) (and (<= v_~a1~0_347 38) (< v_~a1~0_347 283353) (not (= (mod (+ v_~a1~0_347 2) 5) 0)) (<= (+ ~a1~0 495231) (div (+ v_~a1~0_347 (- 283353)) 5)))) (<= ~a10~0 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:57:47,398 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:57:47,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,407 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:57:47 BoogieIcfgContainer [2019-10-13 17:57:47,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:57:47,431 INFO L168 Benchmark]: Toolchain (without parser) took 26736.08 ms. Allocated memory was 137.9 MB in the beginning and 600.3 MB in the end (delta: 462.4 MB). Free memory was 101.6 MB in the beginning and 208.9 MB in the end (delta: -107.3 MB). Peak memory consumption was 355.1 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:47,432 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 17:57:47,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.89 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 101.2 MB in the beginning and 170.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:47,434 INFO L168 Benchmark]: Boogie Preprocessor took 115.07 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 165.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:47,435 INFO L168 Benchmark]: RCFGBuilder took 1356.52 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.8 MB in the beginning and 183.1 MB in the end (delta: -17.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:47,438 INFO L168 Benchmark]: TraceAbstraction took 24488.42 ms. Allocated memory was 237.0 MB in the beginning and 600.3 MB in the end (delta: 363.3 MB). Free memory was 183.1 MB in the beginning and 208.9 MB in the end (delta: -25.8 MB). Peak memory consumption was 337.6 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:47,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.89 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 101.2 MB in the beginning and 170.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.07 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 165.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1356.52 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.8 MB in the beginning and 183.1 MB in the end (delta: -17.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24488.42 ms. Allocated memory was 237.0 MB in the beginning and 600.3 MB in the end (delta: 363.3 MB). Free memory was 183.1 MB in the beginning and 208.9 MB in the end (delta: -25.8 MB). Peak memory consumption was 337.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 163]: 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: 582]: Loop Invariant [2019-10-13 17:57:47,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2019-10-13 17:57:47,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] Derived loop invariant: ((((!(a19 == 6) || 3 <= a10) || !(\old(a19) <= 9)) || !(\old(a10) <= 0)) || ((\exists v_~a1~0_347 : int :: ((v_~a1~0_347 <= 38 && v_~a1~0_347 < 283353) && !((v_~a1~0_347 + 2) % 5 == 0)) && a1 + 495231 <= (v_~a1~0_347 + -283353) / 5) && a10 <= 0)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 24.3s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 615 SDtfs, 3277 SDslu, 332 SDs, 0 SdLazy, 7743 SolverSat, 1683 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1622 GetRequests, 1539 SyntacticMatches, 6 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1965occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 778 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 92 PreInvPairs, 168 NumberOfFragments, 235 HoareAnnotationTreeSize, 92 FomulaSimplifications, 25223 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1701 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3242 NumberOfCodeBlocks, 3242 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3230 ConstructedInterpolants, 55 QuantifiedInterpolants, 2647030 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2418 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 2656/2672 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...