/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:13:11,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:13:11,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:13:11,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 01:13:11,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:13:11,482 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:13:11,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:13:11,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:13:11,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:13:11,487 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:13:11,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:13:11,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:13:11,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:13:11,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:13:11,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:13:11,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:13:11,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:13:11,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:13:11,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:13:11,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:13:11,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:13:11,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:13:11,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:13:11,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:13:11,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:13:11,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:13:11,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:13:11,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:13:11,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:13:11,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:13:11,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:13:11,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:13:11,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:13:11,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:13:11,924 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:13:11,929 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:13:11,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-12-22 01:13:12,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22999cc7/0eac04de768741a1b18346d05644314a/FLAG4801e76ab [2020-12-22 01:13:12,872 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:13:12,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-12-22 01:13:12,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22999cc7/0eac04de768741a1b18346d05644314a/FLAG4801e76ab [2020-12-22 01:13:13,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22999cc7/0eac04de768741a1b18346d05644314a [2020-12-22 01:13:13,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:13:13,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:13:13,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:13:13,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:13:13,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:13:13,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:13,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3b16a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13, skipping insertion in model container [2020-12-22 01:13:13,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:13,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:13:13,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:13:13,385 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2020-12-22 01:13:13,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:13:13,693 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:13:13,758 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2020-12-22 01:13:13,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:13:13,962 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:13:13,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13 WrapperNode [2020-12-22 01:13:13,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:13:13,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:13:13,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:13:13,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:13:13,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:13:14,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:13:14,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:13:14,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:13:14,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (1/1) ... [2020-12-22 01:13:14,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:13:14,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:13:14,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:13:14,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:13:14,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (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 [2020-12-22 01:13:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:13:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:13:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:13:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:13:16,970 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:13:16,970 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:13:16,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:13:16 BoogieIcfgContainer [2020-12-22 01:13:16,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:13:16,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:13:16,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:13:16,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:13:16,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:13:13" (1/3) ... [2020-12-22 01:13:16,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc96e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:13:16, skipping insertion in model container [2020-12-22 01:13:16,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:13:13" (2/3) ... [2020-12-22 01:13:16,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc96e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:13:16, skipping insertion in model container [2020-12-22 01:13:16,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:13:16" (3/3) ... [2020-12-22 01:13:16,987 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2020-12-22 01:13:16,995 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:13:17,001 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:13:17,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:13:17,077 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:13:17,077 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:13:17,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:13:17,077 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:13:17,078 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:13:17,078 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:13:17,078 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:13:17,078 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:13:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-12-22 01:13:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 01:13:17,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:17,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:17,125 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:17,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:17,132 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2020-12-22 01:13:17,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:17,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710051848] [2020-12-22 01:13:17,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:17,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710051848] [2020-12-22 01:13:17,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:17,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:13:17,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892667046] [2020-12-22 01:13:17,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:17,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:17,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:17,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:17,541 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 3 states. [2020-12-22 01:13:19,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:19,628 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2020-12-22 01:13:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:19,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-22 01:13:19,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:19,651 INFO L225 Difference]: With dead ends: 761 [2020-12-22 01:13:19,651 INFO L226 Difference]: Without dead ends: 413 [2020-12-22 01:13:19,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:19,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-12-22 01:13:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-12-22 01:13:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-12-22 01:13:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-12-22 01:13:19,732 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 53 [2020-12-22 01:13:19,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:19,732 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-12-22 01:13:19,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-12-22 01:13:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-22 01:13:19,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:19,739 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:13:19,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:13:19,739 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:19,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1565859760, now seen corresponding path program 1 times [2020-12-22 01:13:19,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:19,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338807172] [2020-12-22 01:13:19,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:19,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338807172] [2020-12-22 01:13:19,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:19,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:13:19,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691097195] [2020-12-22 01:13:19,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:19,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:19,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:19,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:19,978 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-12-22 01:13:21,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:21,634 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-12-22 01:13:21,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:21,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-22 01:13:21,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:21,643 INFO L225 Difference]: With dead ends: 1211 [2020-12-22 01:13:21,643 INFO L226 Difference]: Without dead ends: 800 [2020-12-22 01:13:21,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:21,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-12-22 01:13:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-12-22 01:13:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-12-22 01:13:21,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2020-12-22 01:13:21,696 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 121 [2020-12-22 01:13:21,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:21,697 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2020-12-22 01:13:21,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2020-12-22 01:13:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-22 01:13:21,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:21,703 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:13:21,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:13:21,703 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:21,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:21,708 INFO L82 PathProgramCache]: Analyzing trace with hash 234761808, now seen corresponding path program 1 times [2020-12-22 01:13:21,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:21,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538307709] [2020-12-22 01:13:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:21,983 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:21,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538307709] [2020-12-22 01:13:21,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:21,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:21,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432358427] [2020-12-22 01:13:21,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:13:21,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:21,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:13:21,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:13:21,987 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand 4 states. [2020-12-22 01:13:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:25,024 INFO L93 Difference]: Finished difference Result 2505 states and 3428 transitions. [2020-12-22 01:13:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:13:25,031 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-12-22 01:13:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:25,043 INFO L225 Difference]: With dead ends: 2505 [2020-12-22 01:13:25,043 INFO L226 Difference]: Without dead ends: 1718 [2020-12-22 01:13:25,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:13:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2020-12-22 01:13:25,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1714. [2020-12-22 01:13:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1714 states. [2020-12-22 01:13:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2101 transitions. [2020-12-22 01:13:25,088 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2101 transitions. Word has length 122 [2020-12-22 01:13:25,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:25,089 INFO L481 AbstractCegarLoop]: Abstraction has 1714 states and 2101 transitions. [2020-12-22 01:13:25,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:13:25,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2101 transitions. [2020-12-22 01:13:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-22 01:13:25,097 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:25,098 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:13:25,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:13:25,098 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:25,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1719222741, now seen corresponding path program 1 times [2020-12-22 01:13:25,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:25,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159739648] [2020-12-22 01:13:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:25,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159739648] [2020-12-22 01:13:25,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:25,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:25,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15043174] [2020-12-22 01:13:25,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:25,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:25,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:25,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:25,296 INFO L87 Difference]: Start difference. First operand 1714 states and 2101 transitions. Second operand 3 states. [2020-12-22 01:13:26,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:26,973 INFO L93 Difference]: Finished difference Result 3991 states and 4985 transitions. [2020-12-22 01:13:26,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:26,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-12-22 01:13:26,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:26,987 INFO L225 Difference]: With dead ends: 3991 [2020-12-22 01:13:26,987 INFO L226 Difference]: Without dead ends: 2463 [2020-12-22 01:13:26,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:26,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2463 states. [2020-12-22 01:13:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2463 to 2269. [2020-12-22 01:13:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2269 states. [2020-12-22 01:13:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 2752 transitions. [2020-12-22 01:13:27,039 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 2752 transitions. Word has length 180 [2020-12-22 01:13:27,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:27,040 INFO L481 AbstractCegarLoop]: Abstraction has 2269 states and 2752 transitions. [2020-12-22 01:13:27,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2752 transitions. [2020-12-22 01:13:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-12-22 01:13:27,045 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:27,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 01:13:27,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:13:27,046 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:27,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:27,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1422286637, now seen corresponding path program 1 times [2020-12-22 01:13:27,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:27,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323933800] [2020-12-22 01:13:27,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-22 01:13:27,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323933800] [2020-12-22 01:13:27,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:27,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:27,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518469477] [2020-12-22 01:13:27,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:27,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:27,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:27,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:27,300 INFO L87 Difference]: Start difference. First operand 2269 states and 2752 transitions. Second operand 3 states. [2020-12-22 01:13:28,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:28,983 INFO L93 Difference]: Finished difference Result 5642 states and 6940 transitions. [2020-12-22 01:13:28,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:28,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-12-22 01:13:28,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:29,002 INFO L225 Difference]: With dead ends: 5642 [2020-12-22 01:13:29,002 INFO L226 Difference]: Without dead ends: 3375 [2020-12-22 01:13:29,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:29,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2020-12-22 01:13:29,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3375. [2020-12-22 01:13:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3375 states. [2020-12-22 01:13:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4056 transitions. [2020-12-22 01:13:29,086 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4056 transitions. Word has length 234 [2020-12-22 01:13:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:29,086 INFO L481 AbstractCegarLoop]: Abstraction has 3375 states and 4056 transitions. [2020-12-22 01:13:29,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4056 transitions. [2020-12-22 01:13:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-22 01:13:29,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:29,093 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:29,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:13:29,094 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:29,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:29,095 INFO L82 PathProgramCache]: Analyzing trace with hash -311978582, now seen corresponding path program 1 times [2020-12-22 01:13:29,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:29,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756195511] [2020-12-22 01:13:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-12-22 01:13:29,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756195511] [2020-12-22 01:13:29,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:29,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:29,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899787061] [2020-12-22 01:13:29,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:29,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:29,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:29,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:29,454 INFO L87 Difference]: Start difference. First operand 3375 states and 4056 transitions. Second operand 3 states. [2020-12-22 01:13:31,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:31,224 INFO L93 Difference]: Finished difference Result 7499 states and 9037 transitions. [2020-12-22 01:13:31,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:31,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-22 01:13:31,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:31,246 INFO L225 Difference]: With dead ends: 7499 [2020-12-22 01:13:31,246 INFO L226 Difference]: Without dead ends: 4126 [2020-12-22 01:13:31,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:31,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2020-12-22 01:13:31,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 3927. [2020-12-22 01:13:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3927 states. [2020-12-22 01:13:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3927 states and 4728 transitions. [2020-12-22 01:13:31,334 INFO L78 Accepts]: Start accepts. Automaton has 3927 states and 4728 transitions. Word has length 255 [2020-12-22 01:13:31,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:31,334 INFO L481 AbstractCegarLoop]: Abstraction has 3927 states and 4728 transitions. [2020-12-22 01:13:31,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3927 states and 4728 transitions. [2020-12-22 01:13:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-12-22 01:13:31,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:31,341 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:31,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:13:31,342 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:31,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:31,342 INFO L82 PathProgramCache]: Analyzing trace with hash -2101206898, now seen corresponding path program 1 times [2020-12-22 01:13:31,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:31,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664973604] [2020-12-22 01:13:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 56 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:13:32,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664973604] [2020-12-22 01:13:32,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146658424] [2020-12-22 01:13:32,030 INFO L95 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 [2020-12-22 01:13:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:32,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:13:32,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:13:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-12-22 01:13:32,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:13:32,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-12-22 01:13:32,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094565673] [2020-12-22 01:13:32,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:32,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:32,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:32,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-22 01:13:32,834 INFO L87 Difference]: Start difference. First operand 3927 states and 4728 transitions. Second operand 3 states. [2020-12-22 01:13:34,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:34,714 INFO L93 Difference]: Finished difference Result 8593 states and 10448 transitions. [2020-12-22 01:13:34,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:34,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2020-12-22 01:13:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:34,739 INFO L225 Difference]: With dead ends: 8593 [2020-12-22 01:13:34,740 INFO L226 Difference]: Without dead ends: 4668 [2020-12-22 01:13:34,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-22 01:13:34,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2020-12-22 01:13:34,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4478. [2020-12-22 01:13:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4478 states. [2020-12-22 01:13:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 5368 transitions. [2020-12-22 01:13:34,839 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 5368 transitions. Word has length 272 [2020-12-22 01:13:34,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:34,839 INFO L481 AbstractCegarLoop]: Abstraction has 4478 states and 5368 transitions. [2020-12-22 01:13:34,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 5368 transitions. [2020-12-22 01:13:34,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-12-22 01:13:34,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:34,847 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:35,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-22 01:13:35,062 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:35,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:35,062 INFO L82 PathProgramCache]: Analyzing trace with hash 283057422, now seen corresponding path program 1 times [2020-12-22 01:13:35,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:35,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162661089] [2020-12-22 01:13:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-22 01:13:35,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162661089] [2020-12-22 01:13:35,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:35,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:35,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912747853] [2020-12-22 01:13:35,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:35,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:35,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:35,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:35,333 INFO L87 Difference]: Start difference. First operand 4478 states and 5368 transitions. Second operand 3 states. [2020-12-22 01:13:37,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:37,109 INFO L93 Difference]: Finished difference Result 11160 states and 13476 transitions. [2020-12-22 01:13:37,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:37,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-12-22 01:13:37,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:37,142 INFO L225 Difference]: With dead ends: 11160 [2020-12-22 01:13:37,142 INFO L226 Difference]: Without dead ends: 6684 [2020-12-22 01:13:37,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:37,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2020-12-22 01:13:37,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 6684. [2020-12-22 01:13:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6684 states. [2020-12-22 01:13:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6684 states to 6684 states and 7835 transitions. [2020-12-22 01:13:37,266 INFO L78 Accepts]: Start accepts. Automaton has 6684 states and 7835 transitions. Word has length 278 [2020-12-22 01:13:37,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:37,267 INFO L481 AbstractCegarLoop]: Abstraction has 6684 states and 7835 transitions. [2020-12-22 01:13:37,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 6684 states and 7835 transitions. [2020-12-22 01:13:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-12-22 01:13:37,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:37,278 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:37,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:13:37,279 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:37,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:37,279 INFO L82 PathProgramCache]: Analyzing trace with hash -483013949, now seen corresponding path program 1 times [2020-12-22 01:13:37,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:37,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110242307] [2020-12-22 01:13:37,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-12-22 01:13:37,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110242307] [2020-12-22 01:13:37,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:37,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:37,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587724937] [2020-12-22 01:13:37,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:37,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:37,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:37,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:37,525 INFO L87 Difference]: Start difference. First operand 6684 states and 7835 transitions. Second operand 3 states. [2020-12-22 01:13:39,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:39,211 INFO L93 Difference]: Finished difference Result 13180 states and 15476 transitions. [2020-12-22 01:13:39,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:39,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-12-22 01:13:39,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:39,243 INFO L225 Difference]: With dead ends: 13180 [2020-12-22 01:13:39,243 INFO L226 Difference]: Without dead ends: 6498 [2020-12-22 01:13:39,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:39,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6498 states. [2020-12-22 01:13:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6498 to 5760. [2020-12-22 01:13:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5760 states. [2020-12-22 01:13:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5760 states to 5760 states and 6561 transitions. [2020-12-22 01:13:39,360 INFO L78 Accepts]: Start accepts. Automaton has 5760 states and 6561 transitions. Word has length 332 [2020-12-22 01:13:39,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:39,361 INFO L481 AbstractCegarLoop]: Abstraction has 5760 states and 6561 transitions. [2020-12-22 01:13:39,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:39,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5760 states and 6561 transitions. [2020-12-22 01:13:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-12-22 01:13:39,405 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:39,405 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:13:39,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:13:39,406 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:39,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:39,407 INFO L82 PathProgramCache]: Analyzing trace with hash 228686210, now seen corresponding path program 1 times [2020-12-22 01:13:39,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:39,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609429449] [2020-12-22 01:13:39,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-12-22 01:13:39,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609429449] [2020-12-22 01:13:39,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:39,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:13:39,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930974995] [2020-12-22 01:13:39,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:39,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:39,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:39,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:39,765 INFO L87 Difference]: Start difference. First operand 5760 states and 6561 transitions. Second operand 3 states. [2020-12-22 01:13:40,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:40,672 INFO L93 Difference]: Finished difference Result 11513 states and 13115 transitions. [2020-12-22 01:13:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:40,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 335 [2020-12-22 01:13:40,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:40,687 INFO L225 Difference]: With dead ends: 11513 [2020-12-22 01:13:40,687 INFO L226 Difference]: Without dead ends: 5755 [2020-12-22 01:13:40,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:40,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5755 states. [2020-12-22 01:13:40,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5755 to 5755. [2020-12-22 01:13:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5755 states. [2020-12-22 01:13:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5755 states to 5755 states and 6551 transitions. [2020-12-22 01:13:40,781 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 6551 transitions. Word has length 335 [2020-12-22 01:13:40,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:40,782 INFO L481 AbstractCegarLoop]: Abstraction has 5755 states and 6551 transitions. [2020-12-22 01:13:40,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 6551 transitions. [2020-12-22 01:13:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-12-22 01:13:40,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:40,790 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:40,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:13:40,791 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:40,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1912311325, now seen corresponding path program 1 times [2020-12-22 01:13:40,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:40,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607108598] [2020-12-22 01:13:40,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-12-22 01:13:41,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607108598] [2020-12-22 01:13:41,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:41,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:41,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661647843] [2020-12-22 01:13:41,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:41,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:41,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:41,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:41,033 INFO L87 Difference]: Start difference. First operand 5755 states and 6551 transitions. Second operand 3 states. [2020-12-22 01:13:42,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:42,835 INFO L93 Difference]: Finished difference Result 13166 states and 15137 transitions. [2020-12-22 01:13:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:42,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-12-22 01:13:42,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:42,849 INFO L225 Difference]: With dead ends: 13166 [2020-12-22 01:13:42,849 INFO L226 Difference]: Without dead ends: 7413 [2020-12-22 01:13:42,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:42,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7413 states. [2020-12-22 01:13:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7413 to 6858. [2020-12-22 01:13:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6858 states. [2020-12-22 01:13:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 7725 transitions. [2020-12-22 01:13:42,989 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 7725 transitions. Word has length 336 [2020-12-22 01:13:42,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:42,990 INFO L481 AbstractCegarLoop]: Abstraction has 6858 states and 7725 transitions. [2020-12-22 01:13:42,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 7725 transitions. [2020-12-22 01:13:43,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-12-22 01:13:43,003 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:43,003 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:43,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 01:13:43,004 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:43,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:43,005 INFO L82 PathProgramCache]: Analyzing trace with hash 128812511, now seen corresponding path program 1 times [2020-12-22 01:13:43,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:43,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460280789] [2020-12-22 01:13:43,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 152 proven. 173 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-12-22 01:13:43,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460280789] [2020-12-22 01:13:43,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69645399] [2020-12-22 01:13:43,419 INFO L95 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 [2020-12-22 01:13:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:43,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 01:13:43,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:13:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-22 01:13:44,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:13:44,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-22 01:13:44,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43758779] [2020-12-22 01:13:44,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:44,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:44,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:44,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:13:44,727 INFO L87 Difference]: Start difference. First operand 6858 states and 7725 transitions. Second operand 3 states. [2020-12-22 01:13:46,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:46,413 INFO L93 Difference]: Finished difference Result 13715 states and 15450 transitions. [2020-12-22 01:13:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:46,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-12-22 01:13:46,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:46,428 INFO L225 Difference]: With dead ends: 13715 [2020-12-22 01:13:46,428 INFO L226 Difference]: Without dead ends: 6859 [2020-12-22 01:13:46,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:13:46,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6859 states. [2020-12-22 01:13:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6859 to 6859. [2020-12-22 01:13:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6859 states. [2020-12-22 01:13:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6859 states to 6859 states and 7684 transitions. [2020-12-22 01:13:46,569 INFO L78 Accepts]: Start accepts. Automaton has 6859 states and 7684 transitions. Word has length 355 [2020-12-22 01:13:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:46,570 INFO L481 AbstractCegarLoop]: Abstraction has 6859 states and 7684 transitions. [2020-12-22 01:13:46,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 6859 states and 7684 transitions. [2020-12-22 01:13:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-12-22 01:13:46,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:46,583 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:13:46,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 01:13:46,797 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:46,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:46,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1289979440, now seen corresponding path program 1 times [2020-12-22 01:13:46,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:46,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943733995] [2020-12-22 01:13:46,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-12-22 01:13:47,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943733995] [2020-12-22 01:13:47,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:47,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:47,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897937529] [2020-12-22 01:13:47,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:13:47,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:47,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:13:47,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:13:47,199 INFO L87 Difference]: Start difference. First operand 6859 states and 7684 transitions. Second operand 4 states. [2020-12-22 01:13:49,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:49,928 INFO L93 Difference]: Finished difference Result 18700 states and 20948 transitions. [2020-12-22 01:13:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:13:49,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 390 [2020-12-22 01:13:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:49,961 INFO L225 Difference]: With dead ends: 18700 [2020-12-22 01:13:49,961 INFO L226 Difference]: Without dead ends: 11659 [2020-12-22 01:13:49,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:13:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11659 states. [2020-12-22 01:13:50,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11659 to 11103. [2020-12-22 01:13:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11103 states. [2020-12-22 01:13:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11103 states to 11103 states and 12434 transitions. [2020-12-22 01:13:50,174 INFO L78 Accepts]: Start accepts. Automaton has 11103 states and 12434 transitions. Word has length 390 [2020-12-22 01:13:50,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:50,175 INFO L481 AbstractCegarLoop]: Abstraction has 11103 states and 12434 transitions. [2020-12-22 01:13:50,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:13:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 11103 states and 12434 transitions. [2020-12-22 01:13:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-12-22 01:13:50,191 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:13:50,192 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-22 01:13:50,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 01:13:50,192 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:13:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:13:50,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1173268589, now seen corresponding path program 1 times [2020-12-22 01:13:50,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:13:50,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327738447] [2020-12-22 01:13:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:13:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:13:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-12-22 01:13:50,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327738447] [2020-12-22 01:13:50,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:13:50,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:13:50,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366317283] [2020-12-22 01:13:50,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:13:50,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:13:50,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:13:50,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:50,457 INFO L87 Difference]: Start difference. First operand 11103 states and 12434 transitions. Second operand 3 states. [2020-12-22 01:13:52,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:13:52,254 INFO L93 Difference]: Finished difference Result 22020 states and 24617 transitions. [2020-12-22 01:13:52,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:13:52,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2020-12-22 01:13:52,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:13:52,256 INFO L225 Difference]: With dead ends: 22020 [2020-12-22 01:13:52,256 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:13:52,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:13:52,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:13:52,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:13:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:13:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:13:52,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2020-12-22 01:13:52,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:13:52,269 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:13:52,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:13:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:13:52,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:13:52,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 01:13:52,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:13:53,098 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2020-12-22 01:13:53,828 WARN L197 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2020-12-22 01:13:53,832 INFO L189 CegarLoopUtils]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-12-22 01:13:53,833 INFO L189 CegarLoopUtils]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,833 INFO L189 CegarLoopUtils]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-12-22 01:13:53,833 INFO L189 CegarLoopUtils]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,833 INFO L189 CegarLoopUtils]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,833 INFO L189 CegarLoopUtils]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,833 INFO L189 CegarLoopUtils]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,833 INFO L189 CegarLoopUtils]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,834 INFO L189 CegarLoopUtils]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,834 INFO L189 CegarLoopUtils]: For program point L169(line 169) no Hoare annotation was computed. [2020-12-22 01:13:53,834 INFO L189 CegarLoopUtils]: For program point L103(line 103) no Hoare annotation was computed. [2020-12-22 01:13:53,834 INFO L189 CegarLoopUtils]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-22 01:13:53,834 INFO L189 CegarLoopUtils]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,834 INFO L189 CegarLoopUtils]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,834 INFO L189 CegarLoopUtils]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,835 INFO L189 CegarLoopUtils]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,835 INFO L189 CegarLoopUtils]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,835 INFO L189 CegarLoopUtils]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,836 INFO L189 CegarLoopUtils]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,836 INFO L189 CegarLoopUtils]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,836 INFO L189 CegarLoopUtils]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,836 INFO L189 CegarLoopUtils]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,836 INFO L189 CegarLoopUtils]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-22 01:13:53,837 INFO L189 CegarLoopUtils]: For program point L106(line 106) no Hoare annotation was computed. [2020-12-22 01:13:53,837 INFO L189 CegarLoopUtils]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,838 INFO L189 CegarLoopUtils]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L109(line 109) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,839 INFO L185 CegarLoopUtils]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (= ~a4~0 1))) (let ((.cse0 (<= ~a23~0 312)) (.cse5 (<= 0 (+ ~a23~0 42))) (.cse3 (= ~a25~0 10)) (.cse6 (<= ~a29~0 130)) (.cse1 (= ~a8~0 15)) (.cse2 (not .cse4)) (.cse7 (= ~a25~0 12))) (or (and (<= ~a25~0 10) (<= 278 ~a29~0) .cse0 .cse1) (and (= ~a25~0 11) .cse0 .cse1) (and (<= ~a25~0 9) .cse0 .cse1 .cse2 (<= (div (+ (* ~a29~0 (- 1)) (- 554771)) (- 3)) 245)) (and .cse3 .cse1 .cse4) (and .cse5 .cse0 .cse1) (and .cse5 .cse1 .cse4) (and .cse1 (<= 13 ~a25~0) .cse4) (and .cse6 .cse1 .cse7) (and .cse3 .cse6 .cse1) (and .cse1 .cse2 .cse7)))) [2020-12-22 01:13:53,839 INFO L189 CegarLoopUtils]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L178(line 178) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L112(line 112) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L192 CegarLoopUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,840 INFO L189 CegarLoopUtils]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L181(line 181) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L115(line 115) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,841 INFO L189 CegarLoopUtils]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L118(line 118) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L52(line 52) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L185 CegarLoopUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (= ~a4~0 1))) (let ((.cse0 (<= ~a23~0 312)) (.cse5 (<= 0 (+ ~a23~0 42))) (.cse3 (= ~a25~0 10)) (.cse6 (<= ~a29~0 130)) (.cse1 (= ~a8~0 15)) (.cse2 (not .cse4)) (.cse7 (= ~a25~0 12))) (or (and (<= ~a25~0 10) (<= 278 ~a29~0) .cse0 .cse1) (and (= ~a25~0 11) .cse0 .cse1) (and (<= ~a25~0 9) .cse0 .cse1 .cse2 (<= (div (+ (* ~a29~0 (- 1)) (- 554771)) (- 3)) 245)) (and .cse3 .cse1 .cse4) (and .cse5 .cse0 .cse1) (and .cse5 .cse1 .cse4) (and .cse1 (<= 13 ~a25~0) .cse4) (and .cse6 .cse1 .cse7) (and .cse3 .cse6 .cse1) (and .cse1 .cse2 .cse7)))) [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,842 INFO L189 CegarLoopUtils]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L187(line 187) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L121(line 121) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-12-22 01:13:53,843 INFO L189 CegarLoopUtils]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:13:53,844 INFO L189 CegarLoopUtils]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L124(line 124) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L58(line 58) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L127(line 127) no Hoare annotation was computed. [2020-12-22 01:13:53,845 INFO L189 CegarLoopUtils]: For program point L61(line 61) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,846 INFO L189 CegarLoopUtils]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L130(line 130) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-22 01:13:53,847 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,848 INFO L189 CegarLoopUtils]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L133(line 133) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L67(line 67) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,849 INFO L189 CegarLoopUtils]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L202(line 202) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L136(line 136) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L70(line 70) no Hoare annotation was computed. [2020-12-22 01:13:53,850 INFO L189 CegarLoopUtils]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L139(line 139) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L73(line 73) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,851 INFO L189 CegarLoopUtils]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L142(line 142) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L76(line 76) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,852 INFO L189 CegarLoopUtils]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,853 INFO L189 CegarLoopUtils]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L79(line 79) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,854 INFO L189 CegarLoopUtils]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L214(line 214) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L148(line 148) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-12-22 01:13:53,855 INFO L189 CegarLoopUtils]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-12-22 01:13:53,856 INFO L189 CegarLoopUtils]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L154(line 154) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2020-12-22 01:13:53,857 INFO L189 CegarLoopUtils]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-22 01:13:53,858 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,859 INFO L189 CegarLoopUtils]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,860 INFO L189 CegarLoopUtils]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L163(line 163) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L97(line 97) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,861 INFO L189 CegarLoopUtils]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L100(line 100) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-22 01:13:53,862 INFO L189 CegarLoopUtils]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-12-22 01:13:53,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:13:53 BoogieIcfgContainer [2020-12-22 01:13:53,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:13:53,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:13:53,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:13:53,911 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:13:53,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:13:16" (3/4) ... [2020-12-22 01:13:53,925 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:13:53,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:13:53,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:13:53,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:13:53,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:13:54,155 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem11_label04.c-witness.graphml [2020-12-22 01:13:54,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:13:54,157 INFO L168 Benchmark]: Toolchain (without parser) took 41121.94 ms. Allocated memory was 154.1 MB in the beginning and 687.9 MB in the end (delta: 533.7 MB). Free memory was 126.1 MB in the beginning and 297.4 MB in the end (delta: -171.3 MB). Peak memory consumption was 363.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:13:54,157 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 154.1 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:13:54,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.94 ms. Allocated memory is still 154.1 MB. Free memory was 125.9 MB in the beginning and 81.9 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. [2020-12-22 01:13:54,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 287.25 ms. Allocated memory is still 154.1 MB. Free memory was 81.7 MB in the beginning and 122.2 MB in the end (delta: -40.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:13:54,158 INFO L168 Benchmark]: Boogie Preprocessor took 197.56 ms. Allocated memory is still 154.1 MB. Free memory was 122.2 MB in the beginning and 111.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:13:54,159 INFO L168 Benchmark]: RCFGBuilder took 2522.94 ms. Allocated memory was 154.1 MB in the beginning and 222.3 MB in the end (delta: 68.2 MB). Free memory was 111.7 MB in the beginning and 156.8 MB in the end (delta: -45.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:13:54,159 INFO L168 Benchmark]: TraceAbstraction took 36933.67 ms. Allocated memory was 222.3 MB in the beginning and 687.9 MB in the end (delta: 465.6 MB). Free memory was 156.2 MB in the beginning and 322.5 MB in the end (delta: -166.3 MB). Peak memory consumption was 299.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:13:54,159 INFO L168 Benchmark]: Witness Printer took 244.50 ms. Allocated memory is still 687.9 MB. Free memory was 322.5 MB in the beginning and 297.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:13:54,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 154.1 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 925.94 ms. Allocated memory is still 154.1 MB. Free memory was 125.9 MB in the beginning and 81.9 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 287.25 ms. Allocated memory is still 154.1 MB. Free memory was 81.7 MB in the beginning and 122.2 MB in the end (delta: -40.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 197.56 ms. Allocated memory is still 154.1 MB. Free memory was 122.2 MB in the beginning and 111.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2522.94 ms. Allocated memory was 154.1 MB in the beginning and 222.3 MB in the end (delta: 68.2 MB). Free memory was 111.7 MB in the beginning and 156.8 MB in the end (delta: -45.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36933.67 ms. Allocated memory was 222.3 MB in the beginning and 687.9 MB in the end (delta: 465.6 MB). Free memory was 156.2 MB in the beginning and 322.5 MB in the end (delta: -166.3 MB). Peak memory consumption was 299.3 MB. Max. memory is 8.0 GB. * Witness Printer took 244.50 ms. Allocated memory is still 687.9 MB. Free memory was 322.5 MB in the beginning and 297.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((a25 <= 10 && 278 <= a29) && a23 <= 312) && a8 == 15) || ((a25 == 11 && a23 <= 312) && a8 == 15)) || ((((a25 <= 9 && a23 <= 312) && a8 == 15) && !(a4 == 1)) && (a29 * -1 + -554771) / -3 <= 245)) || ((a25 == 10 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a23 <= 312) && a8 == 15)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || ((a8 == 15 && 13 <= a25) && a4 == 1)) || ((a29 <= 130 && a8 == 15) && a25 == 12)) || ((a25 == 10 && a29 <= 130) && a8 == 15)) || ((a8 == 15 && !(a4 == 1)) && a25 == 12) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((a25 <= 10 && 278 <= a29) && a23 <= 312) && a8 == 15) || ((a25 == 11 && a23 <= 312) && a8 == 15)) || ((((a25 <= 9 && a23 <= 312) && a8 == 15) && !(a4 == 1)) && (a29 * -1 + -554771) / -3 <= 245)) || ((a25 == 10 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a23 <= 312) && a8 == 15)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || ((a8 == 15 && 13 <= a25) && a4 == 1)) || ((a29 <= 130 && a8 == 15) && a25 == 12)) || ((a25 == 10 && a29 <= 130) && a8 == 15)) || ((a8 == 15 && !(a4 == 1)) && a25 == 12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.1s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2939 SDtfs, 2562 SDslu, 320 SDs, 0 SdLazy, 8449 SolverSat, 1440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 669 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11103occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 2447 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 129 NumberOfFragments, 245 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2766 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 886 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 4283 NumberOfCodeBlocks, 4283 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4267 ConstructedInterpolants, 0 QuantifiedInterpolants, 3774286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 3322/3615 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...