/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:58:43,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:58:43,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:58:43,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 18:58:43,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:58:43,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:58:43,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:58:43,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:58:43,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:58:43,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:58:43,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:58:43,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:58:43,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:58:43,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:58:43,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:58:43,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:58:43,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:58:43,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:58:43,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:58:43,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:58:43,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 18:58:43,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:58:43,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:58:43,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:58:43,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:58:43,449 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:58:43,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:58:43,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:58:43,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:58:43,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:58:43,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:58:43,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:58:43,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:58:43,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:58:43,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:58:43,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:58:43,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:58:43,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:58:43,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:58:43,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:58:43,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:58:43,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:58:43,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:58:43,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:58:43,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:58:43,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:58:43,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:58:43,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:58:43,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:58:43,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:58:43,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:58:43,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:58:43,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:58:43,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:58:43,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:58:43,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2019-11-06 18:58:43,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90cc3ef6/e5d56f81ecc545a7b19cd001baa237fa/FLAG09765a39c [2019-11-06 18:58:44,367 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:58:44,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2019-11-06 18:58:44,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90cc3ef6/e5d56f81ecc545a7b19cd001baa237fa/FLAG09765a39c [2019-11-06 18:58:44,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90cc3ef6/e5d56f81ecc545a7b19cd001baa237fa [2019-11-06 18:58:44,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:58:44,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:58:44,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:58:44,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:58:44,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:58:44,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:58:44" (1/1) ... [2019-11-06 18:58:44,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55416243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:44, skipping insertion in model container [2019-11-06 18:58:44,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:58:44" (1/1) ... [2019-11-06 18:58:44,698 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:58:44,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:58:45,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:58:45,327 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:58:45,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:58:45,446 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:58:45,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45 WrapperNode [2019-11-06 18:58:45,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:58:45,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:58:45,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:58:45,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:58:45,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... [2019-11-06 18:58:45,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... [2019-11-06 18:58:45,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... [2019-11-06 18:58:45,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... [2019-11-06 18:58:45,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... [2019-11-06 18:58:45,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... [2019-11-06 18:58:45,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... [2019-11-06 18:58:45,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:58:45,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:58:45,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:58:45,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:58:45,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:58:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:58:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:58:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:58:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:58:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:58:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:58:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:58:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:58:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:58:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:58:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:58:46,754 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:58:46,754 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:58:46,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:58:46 BoogieIcfgContainer [2019-11-06 18:58:46,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:58:46,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:58:46,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:58:46,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:58:46,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:58:44" (1/3) ... [2019-11-06 18:58:46,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a6c2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:58:46, skipping insertion in model container [2019-11-06 18:58:46,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:45" (2/3) ... [2019-11-06 18:58:46,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a6c2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:58:46, skipping insertion in model container [2019-11-06 18:58:46,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:58:46" (3/3) ... [2019-11-06 18:58:46,764 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label25.c [2019-11-06 18:58:46,773 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:58:46,781 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:58:46,792 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:58:46,819 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:58:46,820 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:58:46,820 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:58:46,820 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:58:46,820 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:58:46,820 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:58:46,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:58:46,821 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:58:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-11-06 18:58:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-06 18:58:46,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:46,859 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:46,861 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:46,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:46,867 INFO L82 PathProgramCache]: Analyzing trace with hash 167533094, now seen corresponding path program 1 times [2019-11-06 18:58:46,876 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:46,876 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476995568] [2019-11-06 18:58:46,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:47,517 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476995568] [2019-11-06 18:58:47,518 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:58:47,518 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:58:47,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165195171] [2019-11-06 18:58:47,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:58:47,526 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:47,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:58:47,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:58:47,544 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-11-06 18:58:49,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:49,178 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2019-11-06 18:58:49,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 18:58:49,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2019-11-06 18:58:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:49,200 INFO L225 Difference]: With dead ends: 627 [2019-11-06 18:58:49,200 INFO L226 Difference]: Without dead ends: 327 [2019-11-06 18:58:49,208 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:58:49,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-11-06 18:58:49,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2019-11-06 18:58:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-11-06 18:58:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2019-11-06 18:58:49,305 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 140 [2019-11-06 18:58:49,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:49,309 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2019-11-06 18:58:49,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:58:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2019-11-06 18:58:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 18:58:49,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:49,321 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:49,328 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:49,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:49,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1307289931, now seen corresponding path program 1 times [2019-11-06 18:58:49,329 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:49,331 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079749015] [2019-11-06 18:58:49,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:49,629 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079749015] [2019-11-06 18:58:49,629 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:58:49,630 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 18:58:49,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695774358] [2019-11-06 18:58:49,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 18:58:49,632 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:49,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 18:58:49,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:58:49,633 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2019-11-06 18:58:51,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:51,372 INFO L93 Difference]: Finished difference Result 972 states and 1528 transitions. [2019-11-06 18:58:51,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 18:58:51,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2019-11-06 18:58:51,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:51,379 INFO L225 Difference]: With dead ends: 972 [2019-11-06 18:58:51,379 INFO L226 Difference]: Without dead ends: 659 [2019-11-06 18:58:51,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:58:51,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2019-11-06 18:58:51,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 625. [2019-11-06 18:58:51,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-11-06 18:58:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2019-11-06 18:58:51,438 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 155 [2019-11-06 18:58:51,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:51,438 INFO L462 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2019-11-06 18:58:51,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 18:58:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2019-11-06 18:58:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-06 18:58:51,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:51,443 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:51,443 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:51,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:51,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1287258960, now seen corresponding path program 1 times [2019-11-06 18:58:51,444 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:51,444 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967261000] [2019-11-06 18:58:51,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 18:58:51,661 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967261000] [2019-11-06 18:58:51,662 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518640250] [2019-11-06 18:58:51,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:51,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:51,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:51,888 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:58:51,888 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2019-11-06 18:58:51,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920947682] [2019-11-06 18:58:51,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 18:58:51,890 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:51,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 18:58:51,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-06 18:58:51,891 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 12 states. [2019-11-06 18:58:53,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:53,426 INFO L93 Difference]: Finished difference Result 1246 states and 1870 transitions. [2019-11-06 18:58:53,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 18:58:53,427 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 163 [2019-11-06 18:58:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:53,431 INFO L225 Difference]: With dead ends: 1246 [2019-11-06 18:58:53,431 INFO L226 Difference]: Without dead ends: 627 [2019-11-06 18:58:53,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-11-06 18:58:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-11-06 18:58:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 310. [2019-11-06 18:58:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-11-06 18:58:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2019-11-06 18:58:53,456 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 163 [2019-11-06 18:58:53,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:53,457 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2019-11-06 18:58:53,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 18:58:53,457 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2019-11-06 18:58:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-06 18:58:53,463 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:53,464 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:53,664 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:53,665 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:53,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:53,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1498251582, now seen corresponding path program 1 times [2019-11-06 18:58:53,666 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:53,666 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905504393] [2019-11-06 18:58:53,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:53,876 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905504393] [2019-11-06 18:58:53,877 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:58:53,877 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:58:53,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701106526] [2019-11-06 18:58:53,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:58:53,878 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:53,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:58:53,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:58:53,879 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 9 states. [2019-11-06 18:58:55,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:55,619 INFO L93 Difference]: Finished difference Result 1088 states and 1576 transitions. [2019-11-06 18:58:55,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 18:58:55,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2019-11-06 18:58:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:55,625 INFO L225 Difference]: With dead ends: 1088 [2019-11-06 18:58:55,625 INFO L226 Difference]: Without dead ends: 784 [2019-11-06 18:58:55,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-11-06 18:58:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2019-11-06 18:58:55,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 612. [2019-11-06 18:58:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2019-11-06 18:58:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 841 transitions. [2019-11-06 18:58:55,653 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 841 transitions. Word has length 162 [2019-11-06 18:58:55,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:55,653 INFO L462 AbstractCegarLoop]: Abstraction has 612 states and 841 transitions. [2019-11-06 18:58:55,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:58:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 841 transitions. [2019-11-06 18:58:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-06 18:58:55,657 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:55,657 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:55,658 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:55,658 INFO L82 PathProgramCache]: Analyzing trace with hash -599210058, now seen corresponding path program 1 times [2019-11-06 18:58:55,658 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:55,659 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412518322] [2019-11-06 18:58:55,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:55,984 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412518322] [2019-11-06 18:58:55,984 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109304243] [2019-11-06 18:58:55,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:56,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:56,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:56,162 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:58:56,162 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:58:56,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815739897] [2019-11-06 18:58:56,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:58:56,163 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:56,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:58:56,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:58:56,164 INFO L87 Difference]: Start difference. First operand 612 states and 841 transitions. Second operand 3 states. [2019-11-06 18:58:56,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:56,677 INFO L93 Difference]: Finished difference Result 1803 states and 2531 transitions. [2019-11-06 18:58:56,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:58:56,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-11-06 18:58:56,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:56,685 INFO L225 Difference]: With dead ends: 1803 [2019-11-06 18:58:56,685 INFO L226 Difference]: Without dead ends: 1197 [2019-11-06 18:58:56,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:58:56,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2019-11-06 18:58:56,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1051. [2019-11-06 18:58:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2019-11-06 18:58:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1336 transitions. [2019-11-06 18:58:56,726 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1336 transitions. Word has length 166 [2019-11-06 18:58:56,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:56,727 INFO L462 AbstractCegarLoop]: Abstraction has 1051 states and 1336 transitions. [2019-11-06 18:58:56,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:58:56,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1336 transitions. [2019-11-06 18:58:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-06 18:58:56,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:56,732 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:56,936 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:56,936 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:56,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:56,937 INFO L82 PathProgramCache]: Analyzing trace with hash 980159967, now seen corresponding path program 1 times [2019-11-06 18:58:56,938 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:56,938 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040229194] [2019-11-06 18:58:56,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:58:57,148 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040229194] [2019-11-06 18:58:57,149 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728936948] [2019-11-06 18:58:57,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:57,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:57,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:57,339 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:58:57,339 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:58:57,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909069516] [2019-11-06 18:58:57,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:58:57,341 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:57,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:58:57,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:58:57,341 INFO L87 Difference]: Start difference. First operand 1051 states and 1336 transitions. Second operand 11 states. [2019-11-06 18:59:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:01,312 INFO L93 Difference]: Finished difference Result 4391 states and 6284 transitions. [2019-11-06 18:59:01,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-11-06 18:59:01,313 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2019-11-06 18:59:01,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:01,333 INFO L225 Difference]: With dead ends: 4391 [2019-11-06 18:59:01,333 INFO L226 Difference]: Without dead ends: 3346 [2019-11-06 18:59:01,339 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2019-11-06 18:59:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3346 states. [2019-11-06 18:59:01,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3346 to 3131. [2019-11-06 18:59:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3131 states. [2019-11-06 18:59:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 3131 states and 3872 transitions. [2019-11-06 18:59:01,448 INFO L78 Accepts]: Start accepts. Automaton has 3131 states and 3872 transitions. Word has length 179 [2019-11-06 18:59:01,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:01,449 INFO L462 AbstractCegarLoop]: Abstraction has 3131 states and 3872 transitions. [2019-11-06 18:59:01,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3872 transitions. [2019-11-06 18:59:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-06 18:59:01,460 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:01,460 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:01,666 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:01,667 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:01,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:01,668 INFO L82 PathProgramCache]: Analyzing trace with hash -621307988, now seen corresponding path program 1 times [2019-11-06 18:59:01,668 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:01,669 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645473517] [2019-11-06 18:59:01,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-06 18:59:01,891 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645473517] [2019-11-06 18:59:01,891 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153664635] [2019-11-06 18:59:01,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:02,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:02,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-06 18:59:02,094 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:02,094 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-06 18:59:02,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913286612] [2019-11-06 18:59:02,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:59:02,096 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:02,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:59:02,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:02,097 INFO L87 Difference]: Start difference. First operand 3131 states and 3872 transitions. Second operand 11 states. [2019-11-06 18:59:03,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:03,699 INFO L93 Difference]: Finished difference Result 5551 states and 6864 transitions. [2019-11-06 18:59:03,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 18:59:03,702 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2019-11-06 18:59:03,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:03,715 INFO L225 Difference]: With dead ends: 5551 [2019-11-06 18:59:03,716 INFO L226 Difference]: Without dead ends: 2968 [2019-11-06 18:59:03,723 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2019-11-06 18:59:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2968 states. [2019-11-06 18:59:03,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2968 to 2966. [2019-11-06 18:59:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2966 states. [2019-11-06 18:59:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 3415 transitions. [2019-11-06 18:59:03,805 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 3415 transitions. Word has length 228 [2019-11-06 18:59:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:03,805 INFO L462 AbstractCegarLoop]: Abstraction has 2966 states and 3415 transitions. [2019-11-06 18:59:03,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3415 transitions. [2019-11-06 18:59:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-06 18:59:03,814 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:03,815 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:04,023 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:04,023 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:04,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:04,023 INFO L82 PathProgramCache]: Analyzing trace with hash 771307060, now seen corresponding path program 1 times [2019-11-06 18:59:04,024 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:04,024 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625842894] [2019-11-06 18:59:04,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-06 18:59:04,275 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625842894] [2019-11-06 18:59:04,275 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818520413] [2019-11-06 18:59:04,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:04,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:04,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-06 18:59:04,610 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:04,610 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:59:04,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324255375] [2019-11-06 18:59:04,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:59:04,613 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:04,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:59:04,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:59:04,614 INFO L87 Difference]: Start difference. First operand 2966 states and 3415 transitions. Second operand 11 states. [2019-11-06 18:59:08,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:08,850 INFO L93 Difference]: Finished difference Result 5948 states and 6877 transitions. [2019-11-06 18:59:08,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-06 18:59:08,850 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 232 [2019-11-06 18:59:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:08,861 INFO L225 Difference]: With dead ends: 5948 [2019-11-06 18:59:08,862 INFO L226 Difference]: Without dead ends: 2978 [2019-11-06 18:59:08,869 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=225, Invalid=831, Unknown=0, NotChecked=0, Total=1056 [2019-11-06 18:59:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2978 states. [2019-11-06 18:59:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2978 to 2827. [2019-11-06 18:59:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2827 states. [2019-11-06 18:59:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3113 transitions. [2019-11-06 18:59:08,938 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3113 transitions. Word has length 232 [2019-11-06 18:59:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:08,939 INFO L462 AbstractCegarLoop]: Abstraction has 2827 states and 3113 transitions. [2019-11-06 18:59:08,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:59:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3113 transitions. [2019-11-06 18:59:08,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-11-06 18:59:08,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:08,949 INFO L410 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:09,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:09,153 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:09,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:09,154 INFO L82 PathProgramCache]: Analyzing trace with hash 737048178, now seen corresponding path program 1 times [2019-11-06 18:59:09,154 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:09,154 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354810197] [2019-11-06 18:59:09,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 18:59:09,530 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354810197] [2019-11-06 18:59:09,530 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585740399] [2019-11-06 18:59:09,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:09,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-06 18:59:09,711 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:09,711 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-11-06 18:59:09,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167561028] [2019-11-06 18:59:09,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:09,712 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:09,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:09,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:09,713 INFO L87 Difference]: Start difference. First operand 2827 states and 3113 transitions. Second operand 3 states. [2019-11-06 18:59:10,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:10,116 INFO L93 Difference]: Finished difference Result 4490 states and 4916 transitions. [2019-11-06 18:59:10,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:10,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-11-06 18:59:10,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:10,117 INFO L225 Difference]: With dead ends: 4490 [2019-11-06 18:59:10,117 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:59:10,125 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:10,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:59:10,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:59:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:59:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:59:10,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2019-11-06 18:59:10,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:10,127 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:59:10,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:59:10,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:59:10,339 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:10,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:59:10,962 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 144 [2019-11-06 18:59:11,147 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 144 [2019-11-06 18:59:11,828 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 46 [2019-11-06 18:59:12,243 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 42 [2019-11-06 18:59:12,635 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 42 [2019-11-06 18:59:12,637 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:12,637 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-06 18:59:12,638 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:12,639 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-06 18:59:12,640 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-06 18:59:12,641 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,642 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-06 18:59:12,643 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-06 18:59:12,644 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-06 18:59:12,645 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-06 18:59:12,646 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-06 18:59:12,647 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,648 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-06 18:59:12,649 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-06 18:59:12,650 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-06 18:59:12,651 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,652 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-06 18:59:12,653 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,654 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,655 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,655 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse10 (= ~a25~0 |old(~a25~0)|))) (let ((.cse4 (not (<= |old(~a28~0)| 10))) (.cse2 (and .cse7 (= ~a17~0 8) .cse8 .cse9 .cse10)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse5 (not (<= |old(~a17~0)| 8))) (.cse0 (not (= 1 |old(~a25~0)|))) (.cse6 (and .cse7 (= ~a17~0 |old(~a17~0)|) .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse4 (or .cse5 (not (<= |old(~a25~0)| 0))) .cse6) (or .cse4 .cse2 .cse1 (not (<= 10 |old(~a28~0)|)) .cse3) (or .cse5 (not (<= |old(~a28~0)| 9)) .cse0 .cse6)))) [2019-11-06 18:59:12,655 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,655 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,655 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,655 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-06 18:59:12,655 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-06 18:59:12,655 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,656 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-06 18:59:12,657 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-06 18:59:12,658 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-06 18:59:12,659 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:12,660 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (<= ~a25~0 0)) [2019-11-06 18:59:12,660 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:59:12,660 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:12,660 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 1 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 8 |old(~a17~0)|))) [2019-11-06 18:59:12,660 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (and (<= ~a17~0 |old(~a17~0)|) (= ~a17~0 8)))) (let ((.cse2 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10)) (.cse4 (and .cse0 (<= 10 ~a28~0) (= ~a19~0 1)))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (= |old(~a11~0)| |old(~a19~0)|) (and .cse3 (<= ~a28~0 9) .cse2) (and .cse2 .cse4) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (and .cse1 (and .cse3 (<= ~a25~0 0))) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse4)))) [2019-11-06 18:59:12,660 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:12,660 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:12,660 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (and (<= ~a17~0 |old(~a17~0)|) (= ~a17~0 8)))) (let ((.cse2 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10)) (.cse4 (and .cse0 (<= 10 ~a28~0) (= ~a19~0 1)))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (= |old(~a11~0)| |old(~a19~0)|) (and .cse3 (<= ~a28~0 9) .cse2) (and .cse2 .cse4) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (and .cse1 (and .cse3 (<= ~a25~0 0))) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse4)))) [2019-11-06 18:59:12,660 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-06 18:59:12,660 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-06 18:59:12,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:59:12 BoogieIcfgContainer [2019-11-06 18:59:12,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:59:12,681 INFO L168 Benchmark]: Toolchain (without parser) took 28000.31 ms. Allocated memory was 147.3 MB in the beginning and 563.6 MB in the end (delta: 416.3 MB). Free memory was 103.4 MB in the beginning and 487.7 MB in the end (delta: -384.3 MB). Peak memory consumption was 399.7 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:12,682 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-06 18:59:12,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.01 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 103.2 MB in the beginning and 173.7 MB in the end (delta: -70.5 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:12,684 INFO L168 Benchmark]: Boogie Preprocessor took 106.20 ms. Allocated memory is still 207.1 MB. Free memory was 173.7 MB in the beginning and 169.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:12,685 INFO L168 Benchmark]: RCFGBuilder took 1200.92 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 169.1 MB in the beginning and 176.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:12,686 INFO L168 Benchmark]: TraceAbstraction took 25922.47 ms. Allocated memory was 235.4 MB in the beginning and 563.6 MB in the end (delta: 328.2 MB). Free memory was 176.5 MB in the beginning and 487.7 MB in the end (delta: -311.2 MB). Peak memory consumption was 384.8 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:12,690 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 766.01 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 103.2 MB in the beginning and 173.7 MB in the end (delta: -70.5 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.20 ms. Allocated memory is still 207.1 MB. Free memory was 173.7 MB in the beginning and 169.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.92 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 169.1 MB in the beginning and 176.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25922.47 ms. Allocated memory was 235.4 MB in the beginning and 563.6 MB in the end (delta: 328.2 MB). Free memory was 176.5 MB in the beginning and 487.7 MB in the end (delta: -311.2 MB). Peak memory consumption was 384.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((a17 <= \old(a17) && a17 == 8) && a28 <= 10) && a25 == 1) || !(\old(a28) <= 7)) || \old(a11) == \old(a19)) || ((a17 <= 8 && a28 <= 9) && a25 == 1)) || (a25 == 1 && ((a17 <= \old(a17) && a17 == 8) && 10 <= a28) && a19 == 1)) || !(\old(a25) <= 0)) || !(1 == \old(a19))) || (a28 <= 10 && a17 <= 8 && a25 <= 0)) || !(8 == \old(a17))) || (a28 <= 10 && ((a17 <= \old(a17) && a17 == 8) && 10 <= a28) && a19 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 25.8s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, HoareTripleCheckerStatistics: 419 SDtfs, 6962 SDslu, 626 SDs, 0 SdLazy, 10623 SolverSat, 2317 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1470 GetRequests, 1335 SyntacticMatches, 4 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3131occurred 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1045 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 139 NumberOfFragments, 439 HoareAnnotationTreeSize, 93 FomulaSimplifications, 185062 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10119 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2981 NumberOfCodeBlocks, 2981 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2966 ConstructedInterpolants, 0 QuantifiedInterpolants, 1504529 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2960 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 1290/1391 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...