/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_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:18:11,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:18:11,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:18:11,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 01:18:11,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:18:11,823 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:18:11,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:18:11,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:18:11,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:18:11,828 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:18:11,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:18:11,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:18:11,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:18:11,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:18:11,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:18:11,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:18:11,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:18:11,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:18:11,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:18:11,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:18:11,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:18:11,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:18:11,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:18:11,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:18:11,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:18:11,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:18:11,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:18:11,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:18:11,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:18:11,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:18:11,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:18:12,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:18:12,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:18:12,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:18:12,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:18:12,232 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:18:12,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2020-12-22 01:18:12,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81dca465/5d43be1db52f4ddf897d65cf420c275e/FLAG2791c1bf6 [2020-12-22 01:18:13,134 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:18:13,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2020-12-22 01:18:13,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81dca465/5d43be1db52f4ddf897d65cf420c275e/FLAG2791c1bf6 [2020-12-22 01:18:13,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81dca465/5d43be1db52f4ddf897d65cf420c275e [2020-12-22 01:18:13,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:18:13,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:18:13,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:18:13,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:18:13,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:18:13,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:18:13" (1/1) ... [2020-12-22 01:18:13,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58162922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:13, skipping insertion in model container [2020-12-22 01:18:13,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:18:13" (1/1) ... [2020-12-22 01:18:13,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:18:13,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:18:13,647 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_label44.c[3841,3854] [2020-12-22 01:18:13,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:18:13,994 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:18:14,064 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_label44.c[3841,3854] [2020-12-22 01:18:14,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:18:14,296 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:18:14,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14 WrapperNode [2020-12-22 01:18:14,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:18:14,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:18:14,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:18:14,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:18:14,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:18:14,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:18:14,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:18:14,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:18:14,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (1/1) ... [2020-12-22 01:18:14,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:18:14,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:18:14,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:18:14,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:18:14,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (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 01:18:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:18:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:18:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:18:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:18:17,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:18:17,116 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:18:17,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:18:17 BoogieIcfgContainer [2020-12-22 01:18:17,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:18:17,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:18:17,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:18:17,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:18:17,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:18:13" (1/3) ... [2020-12-22 01:18:17,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f80e832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:18:17, skipping insertion in model container [2020-12-22 01:18:17,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:18:14" (2/3) ... [2020-12-22 01:18:17,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f80e832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:18:17, skipping insertion in model container [2020-12-22 01:18:17,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:18:17" (3/3) ... [2020-12-22 01:18:17,127 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2020-12-22 01:18:17,134 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:18:17,139 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:18:17,158 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:18:17,188 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:18:17,188 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:18:17,188 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:18:17,188 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:18:17,188 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:18:17,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:18:17,189 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:18:17,189 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:18:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-12-22 01:18:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 01:18:17,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:17,217 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] [2020-12-22 01:18:17,217 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:17,223 INFO L82 PathProgramCache]: Analyzing trace with hash 678582746, now seen corresponding path program 1 times [2020-12-22 01:18:17,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:17,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485769644] [2020-12-22 01:18:17,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:17,624 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 01:18:17,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485769644] [2020-12-22 01:18:17,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:17,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:18:17,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229438290] [2020-12-22 01:18:17,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:17,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:17,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:17,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:17,650 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 3 states. [2020-12-22 01:18:19,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:19,468 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2020-12-22 01:18:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:19,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 01:18:19,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:19,490 INFO L225 Difference]: With dead ends: 776 [2020-12-22 01:18:19,491 INFO L226 Difference]: Without dead ends: 413 [2020-12-22 01:18:19,496 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 01:18:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-12-22 01:18:19,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2020-12-22 01:18:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-22 01:18:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2020-12-22 01:18:19,591 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 26 [2020-12-22 01:18:19,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:19,592 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2020-12-22 01:18:19,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:19,592 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2020-12-22 01:18:19,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-22 01:18:19,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:19,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:19,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:18:19,602 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:19,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:19,605 INFO L82 PathProgramCache]: Analyzing trace with hash -308519566, now seen corresponding path program 1 times [2020-12-22 01:18:19,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:19,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154303820] [2020-12-22 01:18:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:18:19,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154303820] [2020-12-22 01:18:19,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:19,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:18:19,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244907685] [2020-12-22 01:18:19,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:19,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:19,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:19,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:19,900 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand 3 states. [2020-12-22 01:18:21,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:21,029 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2020-12-22 01:18:21,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:21,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-22 01:18:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:21,036 INFO L225 Difference]: With dead ends: 1209 [2020-12-22 01:18:21,036 INFO L226 Difference]: Without dead ends: 800 [2020-12-22 01:18:21,039 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 01:18:21,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-12-22 01:18:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2020-12-22 01:18:21,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-12-22 01:18:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2020-12-22 01:18:21,083 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 94 [2020-12-22 01:18:21,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:21,084 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2020-12-22 01:18:21,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2020-12-22 01:18:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-22 01:18:21,086 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:21,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:21,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:18:21,087 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:21,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:21,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1570751308, now seen corresponding path program 1 times [2020-12-22 01:18:21,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:21,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152906102] [2020-12-22 01:18:21,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:18:21,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152906102] [2020-12-22 01:18:21,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:21,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:21,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009988274] [2020-12-22 01:18:21,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:18:21,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:21,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:18:21,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:18:21,292 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand 4 states. [2020-12-22 01:18:23,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:23,347 INFO L93 Difference]: Finished difference Result 2316 states and 3094 transitions. [2020-12-22 01:18:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:18:23,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-12-22 01:18:23,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:23,356 INFO L225 Difference]: With dead ends: 2316 [2020-12-22 01:18:23,357 INFO L226 Difference]: Without dead ends: 1531 [2020-12-22 01:18:23,359 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 01:18:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-12-22 01:18:23,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1528. [2020-12-22 01:18:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2020-12-22 01:18:23,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1910 transitions. [2020-12-22 01:18:23,404 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1910 transitions. Word has length 95 [2020-12-22 01:18:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:23,404 INFO L481 AbstractCegarLoop]: Abstraction has 1528 states and 1910 transitions. [2020-12-22 01:18:23,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:18:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1910 transitions. [2020-12-22 01:18:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-22 01:18:23,407 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:23,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:23,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 01:18:23,408 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:23,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:23,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1640918838, now seen corresponding path program 1 times [2020-12-22 01:18:23,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:23,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049055545] [2020-12-22 01:18:23,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:18:23,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049055545] [2020-12-22 01:18:23,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:23,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:23,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245295363] [2020-12-22 01:18:23,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:23,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:23,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:23,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:23,557 INFO L87 Difference]: Start difference. First operand 1528 states and 1910 transitions. Second operand 3 states. [2020-12-22 01:18:24,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:24,791 INFO L93 Difference]: Finished difference Result 3622 states and 4607 transitions. [2020-12-22 01:18:24,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:24,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-12-22 01:18:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:24,805 INFO L225 Difference]: With dead ends: 3622 [2020-12-22 01:18:24,805 INFO L226 Difference]: Without dead ends: 2280 [2020-12-22 01:18:24,809 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 01:18:24,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2020-12-22 01:18:24,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 2085. [2020-12-22 01:18:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-12-22 01:18:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2563 transitions. [2020-12-22 01:18:24,861 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2563 transitions. Word has length 138 [2020-12-22 01:18:24,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:24,862 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 2563 transitions. [2020-12-22 01:18:24,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2563 transitions. [2020-12-22 01:18:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-22 01:18:24,866 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:24,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:24,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:18:24,866 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:24,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:24,867 INFO L82 PathProgramCache]: Analyzing trace with hash -935191055, now seen corresponding path program 1 times [2020-12-22 01:18:24,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:24,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670580962] [2020-12-22 01:18:24,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-22 01:18:25,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670580962] [2020-12-22 01:18:25,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:25,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:18:25,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551386597] [2020-12-22 01:18:25,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:25,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:25,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:25,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:25,048 INFO L87 Difference]: Start difference. First operand 2085 states and 2563 transitions. Second operand 3 states. [2020-12-22 01:18:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:26,271 INFO L93 Difference]: Finished difference Result 4911 states and 6160 transitions. [2020-12-22 01:18:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:26,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-12-22 01:18:26,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:26,292 INFO L225 Difference]: With dead ends: 4911 [2020-12-22 01:18:26,293 INFO L226 Difference]: Without dead ends: 2828 [2020-12-22 01:18:26,297 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 01:18:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2020-12-22 01:18:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2020-12-22 01:18:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2828 states. [2020-12-22 01:18:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3422 transitions. [2020-12-22 01:18:26,368 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3422 transitions. Word has length 169 [2020-12-22 01:18:26,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:26,368 INFO L481 AbstractCegarLoop]: Abstraction has 2828 states and 3422 transitions. [2020-12-22 01:18:26,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3422 transitions. [2020-12-22 01:18:26,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-22 01:18:26,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:26,374 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:18:26,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:18:26,374 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:26,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:26,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1693187880, now seen corresponding path program 1 times [2020-12-22 01:18:26,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:26,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609662408] [2020-12-22 01:18:26,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-22 01:18:26,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609662408] [2020-12-22 01:18:26,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:26,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:26,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234579949] [2020-12-22 01:18:26,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:26,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:26,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:26,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:26,660 INFO L87 Difference]: Start difference. First operand 2828 states and 3422 transitions. Second operand 3 states. [2020-12-22 01:18:28,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:28,138 INFO L93 Difference]: Finished difference Result 7334 states and 8972 transitions. [2020-12-22 01:18:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:28,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-12-22 01:18:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:28,163 INFO L225 Difference]: With dead ends: 7334 [2020-12-22 01:18:28,163 INFO L226 Difference]: Without dead ends: 4508 [2020-12-22 01:18:28,169 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 01:18:28,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4508 states. [2020-12-22 01:18:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4508 to 4508. [2020-12-22 01:18:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4508 states. [2020-12-22 01:18:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 5418 transitions. [2020-12-22 01:18:28,329 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 5418 transitions. Word has length 207 [2020-12-22 01:18:28,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:28,329 INFO L481 AbstractCegarLoop]: Abstraction has 4508 states and 5418 transitions. [2020-12-22 01:18:28,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 5418 transitions. [2020-12-22 01:18:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-12-22 01:18:28,333 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:28,333 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:18:28,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:18:28,334 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:28,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:28,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1390697047, now seen corresponding path program 1 times [2020-12-22 01:18:28,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:28,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537637509] [2020-12-22 01:18:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-22 01:18:28,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537637509] [2020-12-22 01:18:28,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:28,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:28,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855823627] [2020-12-22 01:18:28,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:28,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:28,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:28,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:28,479 INFO L87 Difference]: Start difference. First operand 4508 states and 5418 transitions. Second operand 3 states. [2020-12-22 01:18:29,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:29,897 INFO L93 Difference]: Finished difference Result 10132 states and 12309 transitions. [2020-12-22 01:18:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:29,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-12-22 01:18:29,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:29,929 INFO L225 Difference]: With dead ends: 10132 [2020-12-22 01:18:29,929 INFO L226 Difference]: Without dead ends: 5626 [2020-12-22 01:18:29,937 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 01:18:29,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5626 states. [2020-12-22 01:18:30,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5626 to 5612. [2020-12-22 01:18:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5612 states. [2020-12-22 01:18:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5612 states to 5612 states and 6636 transitions. [2020-12-22 01:18:30,077 INFO L78 Accepts]: Start accepts. Automaton has 5612 states and 6636 transitions. Word has length 208 [2020-12-22 01:18:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:30,078 INFO L481 AbstractCegarLoop]: Abstraction has 5612 states and 6636 transitions. [2020-12-22 01:18:30,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 5612 states and 6636 transitions. [2020-12-22 01:18:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-12-22 01:18:30,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:30,083 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:18:30,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:18:30,083 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:30,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:30,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1642008009, now seen corresponding path program 1 times [2020-12-22 01:18:30,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:30,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729897987] [2020-12-22 01:18:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-12-22 01:18:30,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729897987] [2020-12-22 01:18:30,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:30,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:30,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440046242] [2020-12-22 01:18:30,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:30,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:30,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:30,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:30,296 INFO L87 Difference]: Start difference. First operand 5612 states and 6636 transitions. Second operand 3 states. [2020-12-22 01:18:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:31,549 INFO L93 Difference]: Finished difference Result 12352 states and 14659 transitions. [2020-12-22 01:18:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:31,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-12-22 01:18:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:31,581 INFO L225 Difference]: With dead ends: 12352 [2020-12-22 01:18:31,581 INFO L226 Difference]: Without dead ends: 6742 [2020-12-22 01:18:31,590 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 01:18:31,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2020-12-22 01:18:31,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 6532. [2020-12-22 01:18:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6532 states. [2020-12-22 01:18:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6532 states to 6532 states and 7718 transitions. [2020-12-22 01:18:31,740 INFO L78 Accepts]: Start accepts. Automaton has 6532 states and 7718 transitions. Word has length 228 [2020-12-22 01:18:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:31,741 INFO L481 AbstractCegarLoop]: Abstraction has 6532 states and 7718 transitions. [2020-12-22 01:18:31,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6532 states and 7718 transitions. [2020-12-22 01:18:31,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-22 01:18:31,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:31,746 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:18:31,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:18:31,747 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:31,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:31,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1092521934, now seen corresponding path program 1 times [2020-12-22 01:18:31,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:31,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145254219] [2020-12-22 01:18:31,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-12-22 01:18:31,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145254219] [2020-12-22 01:18:31,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:31,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:31,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229539151] [2020-12-22 01:18:31,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:31,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:31,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:31,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:31,942 INFO L87 Difference]: Start difference. First operand 6532 states and 7718 transitions. Second operand 3 states. [2020-12-22 01:18:33,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:33,271 INFO L93 Difference]: Finished difference Result 13070 states and 15451 transitions. [2020-12-22 01:18:33,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:33,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-12-22 01:18:33,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:33,306 INFO L225 Difference]: With dead ends: 13070 [2020-12-22 01:18:33,307 INFO L226 Difference]: Without dead ends: 6540 [2020-12-22 01:18:33,315 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 01:18:33,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6540 states. [2020-12-22 01:18:33,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6540 to 6347. [2020-12-22 01:18:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6347 states. [2020-12-22 01:18:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6347 states to 6347 states and 7339 transitions. [2020-12-22 01:18:33,436 INFO L78 Accepts]: Start accepts. Automaton has 6347 states and 7339 transitions. Word has length 235 [2020-12-22 01:18:33,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:33,436 INFO L481 AbstractCegarLoop]: Abstraction has 6347 states and 7339 transitions. [2020-12-22 01:18:33,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 6347 states and 7339 transitions. [2020-12-22 01:18:33,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-12-22 01:18:33,441 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:33,442 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:18:33,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:18:33,442 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:33,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:33,443 INFO L82 PathProgramCache]: Analyzing trace with hash 192944744, now seen corresponding path program 1 times [2020-12-22 01:18:33,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:33,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97671139] [2020-12-22 01:18:33,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:18:33,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97671139] [2020-12-22 01:18:33,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:33,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:33,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121202744] [2020-12-22 01:18:33,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:33,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:33,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:33,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:33,689 INFO L87 Difference]: Start difference. First operand 6347 states and 7339 transitions. Second operand 3 states. [2020-12-22 01:18:34,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:34,951 INFO L93 Difference]: Finished difference Result 16979 states and 19711 transitions. [2020-12-22 01:18:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:34,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-12-22 01:18:34,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:34,973 INFO L225 Difference]: With dead ends: 16979 [2020-12-22 01:18:34,974 INFO L226 Difference]: Without dead ends: 10634 [2020-12-22 01:18:34,984 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 01:18:34,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10634 states. [2020-12-22 01:18:35,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10634 to 10630. [2020-12-22 01:18:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10630 states. [2020-12-22 01:18:35,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10630 states to 10630 states and 12227 transitions. [2020-12-22 01:18:35,211 INFO L78 Accepts]: Start accepts. Automaton has 10630 states and 12227 transitions. Word has length 244 [2020-12-22 01:18:35,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:35,211 INFO L481 AbstractCegarLoop]: Abstraction has 10630 states and 12227 transitions. [2020-12-22 01:18:35,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 10630 states and 12227 transitions. [2020-12-22 01:18:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-12-22 01:18:35,218 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:35,218 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:18:35,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:18:35,219 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:35,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:35,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1616620059, now seen corresponding path program 1 times [2020-12-22 01:18:35,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:35,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842795463] [2020-12-22 01:18:35,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-22 01:18:35,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842795463] [2020-12-22 01:18:35,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:35,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:35,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643821794] [2020-12-22 01:18:35,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:35,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:35,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:35,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:35,423 INFO L87 Difference]: Start difference. First operand 10630 states and 12227 transitions. Second operand 3 states. [2020-12-22 01:18:36,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:36,837 INFO L93 Difference]: Finished difference Result 22184 states and 25682 transitions. [2020-12-22 01:18:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:36,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2020-12-22 01:18:36,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:36,861 INFO L225 Difference]: With dead ends: 22184 [2020-12-22 01:18:36,861 INFO L226 Difference]: Without dead ends: 11556 [2020-12-22 01:18:36,874 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 01:18:36,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11556 states. [2020-12-22 01:18:37,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11556 to 10630. [2020-12-22 01:18:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10630 states. [2020-12-22 01:18:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10630 states to 10630 states and 12227 transitions. [2020-12-22 01:18:37,053 INFO L78 Accepts]: Start accepts. Automaton has 10630 states and 12227 transitions. Word has length 258 [2020-12-22 01:18:37,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:37,054 INFO L481 AbstractCegarLoop]: Abstraction has 10630 states and 12227 transitions. [2020-12-22 01:18:37,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 10630 states and 12227 transitions. [2020-12-22 01:18:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-12-22 01:18:37,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:37,061 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:18:37,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 01:18:37,061 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:37,062 INFO L82 PathProgramCache]: Analyzing trace with hash 292208959, now seen corresponding path program 1 times [2020-12-22 01:18:37,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:37,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832979869] [2020-12-22 01:18:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-22 01:18:37,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832979869] [2020-12-22 01:18:37,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:37,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:37,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471845534] [2020-12-22 01:18:37,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:18:37,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:37,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:18:37,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:18:37,321 INFO L87 Difference]: Start difference. First operand 10630 states and 12227 transitions. Second operand 4 states. [2020-12-22 01:18:39,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:39,894 INFO L93 Difference]: Finished difference Result 28468 states and 33277 transitions. [2020-12-22 01:18:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:18:39,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2020-12-22 01:18:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:39,937 INFO L225 Difference]: With dead ends: 28468 [2020-12-22 01:18:39,938 INFO L226 Difference]: Without dead ends: 17840 [2020-12-22 01:18:39,955 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 01:18:39,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17840 states. [2020-12-22 01:18:40,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17840 to 17634. [2020-12-22 01:18:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17634 states. [2020-12-22 01:18:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17634 states to 17634 states and 20448 transitions. [2020-12-22 01:18:40,368 INFO L78 Accepts]: Start accepts. Automaton has 17634 states and 20448 transitions. Word has length 261 [2020-12-22 01:18:40,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:40,369 INFO L481 AbstractCegarLoop]: Abstraction has 17634 states and 20448 transitions. [2020-12-22 01:18:40,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:18:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 17634 states and 20448 transitions. [2020-12-22 01:18:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-12-22 01:18:40,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:40,378 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:18:40,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 01:18:40,379 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:40,380 INFO L82 PathProgramCache]: Analyzing trace with hash -271673639, now seen corresponding path program 1 times [2020-12-22 01:18:40,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:40,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237673954] [2020-12-22 01:18:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:18:40,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237673954] [2020-12-22 01:18:40,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:40,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:40,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120491024] [2020-12-22 01:18:40,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:18:40,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:40,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:18:40,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:18:40,652 INFO L87 Difference]: Start difference. First operand 17634 states and 20448 transitions. Second operand 4 states. [2020-12-22 01:18:43,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:43,233 INFO L93 Difference]: Finished difference Result 43770 states and 50891 transitions. [2020-12-22 01:18:43,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:18:43,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2020-12-22 01:18:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:43,289 INFO L225 Difference]: With dead ends: 43770 [2020-12-22 01:18:43,289 INFO L226 Difference]: Without dead ends: 26506 [2020-12-22 01:18:43,313 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 01:18:43,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26506 states. [2020-12-22 01:18:43,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26506 to 25584. [2020-12-22 01:18:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25584 states. [2020-12-22 01:18:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25584 states to 25584 states and 29679 transitions. [2020-12-22 01:18:43,794 INFO L78 Accepts]: Start accepts. Automaton has 25584 states and 29679 transitions. Word has length 270 [2020-12-22 01:18:43,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:43,794 INFO L481 AbstractCegarLoop]: Abstraction has 25584 states and 29679 transitions. [2020-12-22 01:18:43,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:18:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 25584 states and 29679 transitions. [2020-12-22 01:18:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-12-22 01:18:43,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:43,804 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:43,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 01:18:43,804 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:43,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:43,805 INFO L82 PathProgramCache]: Analyzing trace with hash -546638494, now seen corresponding path program 1 times [2020-12-22 01:18:43,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:43,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902858895] [2020-12-22 01:18:43,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-22 01:18:44,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902858895] [2020-12-22 01:18:44,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:44,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:44,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247152596] [2020-12-22 01:18:44,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:44,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:44,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:44,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:44,341 INFO L87 Difference]: Start difference. First operand 25584 states and 29679 transitions. Second operand 3 states. [2020-12-22 01:18:45,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:45,688 INFO L93 Difference]: Finished difference Result 47223 states and 54894 transitions. [2020-12-22 01:18:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:45,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-12-22 01:18:45,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:45,727 INFO L225 Difference]: With dead ends: 47223 [2020-12-22 01:18:45,727 INFO L226 Difference]: Without dead ends: 20350 [2020-12-22 01:18:45,742 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 01:18:45,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20350 states. [2020-12-22 01:18:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20350 to 19426. [2020-12-22 01:18:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19426 states. [2020-12-22 01:18:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19426 states to 19426 states and 21647 transitions. [2020-12-22 01:18:46,043 INFO L78 Accepts]: Start accepts. Automaton has 19426 states and 21647 transitions. Word has length 284 [2020-12-22 01:18:46,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:46,044 INFO L481 AbstractCegarLoop]: Abstraction has 19426 states and 21647 transitions. [2020-12-22 01:18:46,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 19426 states and 21647 transitions. [2020-12-22 01:18:46,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-12-22 01:18:46,054 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:46,055 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 01:18:46,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 01:18:46,055 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:46,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:46,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1189826963, now seen corresponding path program 1 times [2020-12-22 01:18:46,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:46,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266230679] [2020-12-22 01:18:46,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-12-22 01:18:46,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266230679] [2020-12-22 01:18:46,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:46,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:46,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98166832] [2020-12-22 01:18:46,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:46,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:46,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:46,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:46,408 INFO L87 Difference]: Start difference. First operand 19426 states and 21647 transitions. Second operand 3 states. [2020-12-22 01:18:47,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:47,807 INFO L93 Difference]: Finished difference Result 39397 states and 43956 transitions. [2020-12-22 01:18:47,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:47,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2020-12-22 01:18:47,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:47,843 INFO L225 Difference]: With dead ends: 39397 [2020-12-22 01:18:47,843 INFO L226 Difference]: Without dead ends: 22185 [2020-12-22 01:18:47,858 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 01:18:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22185 states. [2020-12-22 01:18:48,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22185 to 15737. [2020-12-22 01:18:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15737 states. [2020-12-22 01:18:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15737 states to 15737 states and 17577 transitions. [2020-12-22 01:18:48,145 INFO L78 Accepts]: Start accepts. Automaton has 15737 states and 17577 transitions. Word has length 301 [2020-12-22 01:18:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:48,145 INFO L481 AbstractCegarLoop]: Abstraction has 15737 states and 17577 transitions. [2020-12-22 01:18:48,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 15737 states and 17577 transitions. [2020-12-22 01:18:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-12-22 01:18:48,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:48,155 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:18:48,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 01:18:48,156 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:48,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:48,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1064230659, now seen corresponding path program 1 times [2020-12-22 01:18:48,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:48,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390918170] [2020-12-22 01:18:48,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-12-22 01:18:48,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390918170] [2020-12-22 01:18:48,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:48,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:48,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915600905] [2020-12-22 01:18:48,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:48,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:48,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:48,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:48,426 INFO L87 Difference]: Start difference. First operand 15737 states and 17577 transitions. Second operand 3 states. [2020-12-22 01:18:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:49,803 INFO L93 Difference]: Finished difference Result 33496 states and 37507 transitions. [2020-12-22 01:18:49,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:49,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2020-12-22 01:18:49,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:49,829 INFO L225 Difference]: With dead ends: 33496 [2020-12-22 01:18:49,830 INFO L226 Difference]: Without dead ends: 18129 [2020-12-22 01:18:49,843 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 01:18:49,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18129 states. [2020-12-22 01:18:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18129 to 15907. [2020-12-22 01:18:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15907 states. [2020-12-22 01:18:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15907 states to 15907 states and 17522 transitions. [2020-12-22 01:18:50,179 INFO L78 Accepts]: Start accepts. Automaton has 15907 states and 17522 transitions. Word has length 301 [2020-12-22 01:18:50,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:50,179 INFO L481 AbstractCegarLoop]: Abstraction has 15907 states and 17522 transitions. [2020-12-22 01:18:50,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 15907 states and 17522 transitions. [2020-12-22 01:18:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-12-22 01:18:50,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:50,188 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:18:50,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 01:18:50,188 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:50,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:50,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1313485887, now seen corresponding path program 1 times [2020-12-22 01:18:50,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:50,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381267233] [2020-12-22 01:18:50,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-12-22 01:18:50,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381267233] [2020-12-22 01:18:50,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:50,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:18:50,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804880640] [2020-12-22 01:18:50,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:50,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:50,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:50,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:50,465 INFO L87 Difference]: Start difference. First operand 15907 states and 17522 transitions. Second operand 3 states. [2020-12-22 01:18:51,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:51,293 INFO L93 Difference]: Finished difference Result 30696 states and 33815 transitions. [2020-12-22 01:18:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:51,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-12-22 01:18:51,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:51,314 INFO L225 Difference]: With dead ends: 30696 [2020-12-22 01:18:51,314 INFO L226 Difference]: Without dead ends: 15159 [2020-12-22 01:18:51,327 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 01:18:51,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15159 states. [2020-12-22 01:18:51,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15159 to 15157. [2020-12-22 01:18:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15157 states. [2020-12-22 01:18:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15157 states to 15157 states and 16665 transitions. [2020-12-22 01:18:51,603 INFO L78 Accepts]: Start accepts. Automaton has 15157 states and 16665 transitions. Word has length 308 [2020-12-22 01:18:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:51,604 INFO L481 AbstractCegarLoop]: Abstraction has 15157 states and 16665 transitions. [2020-12-22 01:18:51,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 16665 transitions. [2020-12-22 01:18:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-12-22 01:18:51,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:51,616 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 01:18:51,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 01:18:51,616 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:51,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:51,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1486952426, now seen corresponding path program 1 times [2020-12-22 01:18:51,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:51,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101760502] [2020-12-22 01:18:51,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-12-22 01:18:52,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101760502] [2020-12-22 01:18:52,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:52,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:52,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872597430] [2020-12-22 01:18:52,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:52,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:52,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:52,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:52,034 INFO L87 Difference]: Start difference. First operand 15157 states and 16665 transitions. Second operand 3 states. [2020-12-22 01:18:53,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:53,648 INFO L93 Difference]: Finished difference Result 33630 states and 37051 transitions. [2020-12-22 01:18:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:53,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-12-22 01:18:53,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:53,669 INFO L225 Difference]: With dead ends: 33630 [2020-12-22 01:18:53,669 INFO L226 Difference]: Without dead ends: 18843 [2020-12-22 01:18:53,683 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 01:18:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18843 states. [2020-12-22 01:18:53,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18843 to 16264. [2020-12-22 01:18:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16264 states. [2020-12-22 01:18:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16264 states to 16264 states and 17772 transitions. [2020-12-22 01:18:53,875 INFO L78 Accepts]: Start accepts. Automaton has 16264 states and 17772 transitions. Word has length 330 [2020-12-22 01:18:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:53,876 INFO L481 AbstractCegarLoop]: Abstraction has 16264 states and 17772 transitions. [2020-12-22 01:18:53,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 16264 states and 17772 transitions. [2020-12-22 01:18:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-12-22 01:18:53,888 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:18:53,888 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:18:53,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 01:18:53,888 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:18:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:18:53,889 INFO L82 PathProgramCache]: Analyzing trace with hash -842788195, now seen corresponding path program 1 times [2020-12-22 01:18:53,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:18:53,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970713946] [2020-12-22 01:18:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:18:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:18:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-12-22 01:18:54,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970713946] [2020-12-22 01:18:54,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:18:54,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:18:54,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453028133] [2020-12-22 01:18:54,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:18:54,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:18:54,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:18:54,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:18:54,157 INFO L87 Difference]: Start difference. First operand 16264 states and 17772 transitions. Second operand 3 states. [2020-12-22 01:18:55,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:18:55,602 INFO L93 Difference]: Finished difference Result 33444 states and 36541 transitions. [2020-12-22 01:18:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:18:55,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-12-22 01:18:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:18:55,603 INFO L225 Difference]: With dead ends: 33444 [2020-12-22 01:18:55,604 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:18:55,614 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 01:18:55,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:18:55,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:18:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:18:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:18:55,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2020-12-22 01:18:55,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:18:55,616 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:18:55,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:18:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:18:55,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:18:55,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 01:18:55,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:18:55,988 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 142 [2020-12-22 01:18:56,353 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 142 [2020-12-22 01:18:57,812 WARN L197 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2020-12-22 01:18:59,324 WARN L197 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2020-12-22 01:18:59,329 INFO L189 CegarLoopUtils]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-12-22 01:18:59,329 INFO L189 CegarLoopUtils]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,330 INFO L189 CegarLoopUtils]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-12-22 01:18:59,330 INFO L189 CegarLoopUtils]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,330 INFO L189 CegarLoopUtils]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,330 INFO L189 CegarLoopUtils]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,330 INFO L189 CegarLoopUtils]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,331 INFO L189 CegarLoopUtils]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,331 INFO L189 CegarLoopUtils]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,331 INFO L189 CegarLoopUtils]: For program point L169(line 169) no Hoare annotation was computed. [2020-12-22 01:18:59,331 INFO L189 CegarLoopUtils]: For program point L103(line 103) no Hoare annotation was computed. [2020-12-22 01:18:59,331 INFO L189 CegarLoopUtils]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-22 01:18:59,331 INFO L189 CegarLoopUtils]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,332 INFO L189 CegarLoopUtils]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,332 INFO L189 CegarLoopUtils]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,332 INFO L189 CegarLoopUtils]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,332 INFO L189 CegarLoopUtils]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,332 INFO L189 CegarLoopUtils]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L106(line 106) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-22 01:18:59,333 INFO L189 CegarLoopUtils]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-22 01:18:59,334 INFO L189 CegarLoopUtils]: For program point L109(line 109) no Hoare annotation was computed. [2020-12-22 01:18:59,335 INFO L189 CegarLoopUtils]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-22 01:18:59,335 INFO L189 CegarLoopUtils]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,335 INFO L189 CegarLoopUtils]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,335 INFO L189 CegarLoopUtils]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,336 INFO L185 CegarLoopUtils]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse8 (= ~a25~0 13)) (.cse10 (<= 130 ~a29~0)) (.cse2 (= ~a25~0 12)) (.cse4 (<= ~a23~0 137)) (.cse5 (= ~a25~0 10)) (.cse11 (<= ~a25~0 10)) (.cse13 (<= ~a29~0 140)) (.cse0 (<= ~a23~0 312)) (.cse3 (= ~a4~0 1)) (.cse12 (<= ~a23~0 138)) (.cse6 (= ~a4~0 0)) (.cse15 (<= 247 ~a29~0)) (.cse9 (= ~a25~0 11)) (.cse16 (<= (+ ~a23~0 599772) 0)) (.cse7 (<= ~a29~0 130)) (.cse1 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse5 .cse1 .cse7) (and .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2) (and .cse8 .cse1 .cse3) (and .cse9 .cse10 .cse1 .cse3) (and .cse4 .cse6 .cse8 .cse1) (and .cse11 (< 306 ~a23~0) .cse10 .cse1 .cse3) (and .cse9 .cse4 .cse6 .cse1) (and .cse9 .cse0 .cse1 .cse3) (and .cse9 .cse4 .cse10 .cse3) (and .cse12 .cse11 .cse6 .cse13 .cse1) (and (let ((.cse14 (= ~a3~0 1))) (or (and .cse11 .cse7 (not (= ~a25~0 9)) .cse14) (and .cse2 .cse14))) .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse13 .cse1) (and .cse4 .cse7 .cse2 .cse3) (and .cse11 .cse1 .cse3 .cse15) (and .cse11 .cse12 .cse1 .cse3) (and .cse10 .cse1 .cse2 .cse3) (and (<= 262 ~a29~0) .cse11 .cse4 .cse6 .cse1) (and .cse4 .cse6 .cse5 .cse1) (and .cse11 .cse16 .cse7 .cse1) (and .cse11 .cse13 .cse0 .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse1 .cse15) (and .cse9 .cse16 .cse7 .cse1))) [2020-12-22 01:18:59,336 INFO L189 CegarLoopUtils]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,336 INFO L189 CegarLoopUtils]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-12-22 01:18:59,336 INFO L189 CegarLoopUtils]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-12-22 01:18:59,336 INFO L189 CegarLoopUtils]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,336 INFO L189 CegarLoopUtils]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,336 INFO L189 CegarLoopUtils]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L178(line 178) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L112(line 112) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L192 CegarLoopUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,337 INFO L189 CegarLoopUtils]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L181(line 181) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L115(line 115) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,338 INFO L189 CegarLoopUtils]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,339 INFO L189 CegarLoopUtils]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,339 INFO L189 CegarLoopUtils]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,339 INFO L189 CegarLoopUtils]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,339 INFO L189 CegarLoopUtils]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-22 01:18:59,339 INFO L189 CegarLoopUtils]: For program point L118(line 118) no Hoare annotation was computed. [2020-12-22 01:18:59,339 INFO L189 CegarLoopUtils]: For program point L52(line 52) no Hoare annotation was computed. [2020-12-22 01:18:59,339 INFO L189 CegarLoopUtils]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L185 CegarLoopUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse8 (= ~a25~0 13)) (.cse10 (<= 130 ~a29~0)) (.cse2 (= ~a25~0 12)) (.cse4 (<= ~a23~0 137)) (.cse5 (= ~a25~0 10)) (.cse11 (<= ~a25~0 10)) (.cse13 (<= ~a29~0 140)) (.cse0 (<= ~a23~0 312)) (.cse3 (= ~a4~0 1)) (.cse12 (<= ~a23~0 138)) (.cse6 (= ~a4~0 0)) (.cse15 (<= 247 ~a29~0)) (.cse9 (= ~a25~0 11)) (.cse16 (<= (+ ~a23~0 599772) 0)) (.cse7 (<= ~a29~0 130)) (.cse1 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse5 .cse1 .cse7) (and .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2) (and .cse8 .cse1 .cse3) (and .cse9 .cse10 .cse1 .cse3) (and .cse4 .cse6 .cse8 .cse1) (and .cse11 (< 306 ~a23~0) .cse10 .cse1 .cse3) (and .cse9 .cse4 .cse6 .cse1) (and .cse9 .cse0 .cse1 .cse3) (and .cse9 .cse4 .cse10 .cse3) (and .cse12 .cse11 .cse6 .cse13 .cse1) (and (let ((.cse14 (= ~a3~0 1))) (or (and .cse11 .cse7 (not (= ~a25~0 9)) .cse14) (and .cse2 .cse14))) .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse13 .cse1) (and .cse4 .cse7 .cse2 .cse3) (and .cse11 .cse1 .cse3 .cse15) (and .cse11 .cse12 .cse1 .cse3) (and .cse10 .cse1 .cse2 .cse3) (and (<= 262 ~a29~0) .cse11 .cse4 .cse6 .cse1) (and .cse4 .cse6 .cse5 .cse1) (and .cse11 .cse16 .cse7 .cse1) (and .cse11 .cse13 .cse0 .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse1 .cse15) (and .cse9 .cse16 .cse7 .cse1))) [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,340 INFO L189 CegarLoopUtils]: For program point L187(line 187) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L121(line 121) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,341 INFO L189 CegarLoopUtils]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L124(line 124) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L58(line 58) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L127(line 127) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L61(line 61) no Hoare annotation was computed. [2020-12-22 01:18:59,342 INFO L189 CegarLoopUtils]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,343 INFO L189 CegarLoopUtils]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L130(line 130) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2020-12-22 01:18:59,344 INFO L189 CegarLoopUtils]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L133(line 133) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L67(line 67) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-12-22 01:18:59,345 INFO L189 CegarLoopUtils]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,346 INFO L189 CegarLoopUtils]: For program point L202(line 202) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L136(line 136) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L70(line 70) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L139(line 139) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L73(line 73) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,347 INFO L189 CegarLoopUtils]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L142(line 142) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L76(line 76) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,348 INFO L189 CegarLoopUtils]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-22 01:18:59,349 INFO L189 CegarLoopUtils]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L79(line 79) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L214(line 214) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L148(line 148) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-22 01:18:59,350 INFO L189 CegarLoopUtils]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-22 01:18:59,351 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,352 INFO L189 CegarLoopUtils]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L154(line 154) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,353 INFO L189 CegarLoopUtils]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,354 INFO L189 CegarLoopUtils]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,355 INFO L189 CegarLoopUtils]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,357 INFO L189 CegarLoopUtils]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,357 INFO L189 CegarLoopUtils]: For program point L163(line 163) no Hoare annotation was computed. [2020-12-22 01:18:59,357 INFO L189 CegarLoopUtils]: For program point L97(line 97) no Hoare annotation was computed. [2020-12-22 01:18:59,357 INFO L189 CegarLoopUtils]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,357 INFO L189 CegarLoopUtils]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,357 INFO L189 CegarLoopUtils]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,357 INFO L189 CegarLoopUtils]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L100(line 100) no Hoare annotation was computed. [2020-12-22 01:18:59,358 INFO L189 CegarLoopUtils]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-22 01:18:59,359 INFO L189 CegarLoopUtils]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-12-22 01:18:59,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:18:59 BoogieIcfgContainer [2020-12-22 01:18:59,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:18:59,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:18:59,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:18:59,392 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:18:59,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:18:17" (3/4) ... [2020-12-22 01:18:59,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:18:59,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:18:59,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:18:59,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:18:59,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:18:59,658 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem11_label44.c-witness.graphml [2020-12-22 01:18:59,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:18:59,660 INFO L168 Benchmark]: Toolchain (without parser) took 46343.10 ms. Allocated memory was 158.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 130.7 MB in the beginning and 615.9 MB in the end (delta: -485.2 MB). Peak memory consumption was 875.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:18:59,660 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory was 130.9 MB in the beginning and 130.6 MB in the end (delta: 215.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:18:59,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 978.63 ms. Allocated memory is still 158.3 MB. Free memory was 130.5 MB in the beginning and 121.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. [2020-12-22 01:18:59,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.34 ms. Allocated memory is still 158.3 MB. Free memory was 121.7 MB in the beginning and 104.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-12-22 01:18:59,661 INFO L168 Benchmark]: Boogie Preprocessor took 134.22 ms. Allocated memory is still 158.3 MB. Free memory was 104.4 MB in the beginning and 93.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:18:59,662 INFO L168 Benchmark]: RCFGBuilder took 2478.98 ms. Allocated memory was 158.3 MB in the beginning and 206.6 MB in the end (delta: 48.2 MB). Free memory was 93.9 MB in the beginning and 117.5 MB in the end (delta: -23.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 8.0 GB. [2020-12-22 01:18:59,662 INFO L168 Benchmark]: TraceAbstraction took 42271.16 ms. Allocated memory was 206.6 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 116.9 MB in the beginning and 642.4 MB in the end (delta: -525.4 MB). Peak memory consumption was 787.9 MB. Max. memory is 8.0 GB. [2020-12-22 01:18:59,663 INFO L168 Benchmark]: Witness Printer took 266.80 ms. Allocated memory is still 1.5 GB. Free memory was 642.4 MB in the beginning and 615.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:18:59,665 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 158.3 MB. Free memory was 130.9 MB in the beginning and 130.6 MB in the end (delta: 215.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 978.63 ms. Allocated memory is still 158.3 MB. Free memory was 130.5 MB in the beginning and 121.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 204.34 ms. Allocated memory is still 158.3 MB. Free memory was 121.7 MB in the beginning and 104.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.22 ms. Allocated memory is still 158.3 MB. Free memory was 104.4 MB in the beginning and 93.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2478.98 ms. Allocated memory was 158.3 MB in the beginning and 206.6 MB in the end (delta: 48.2 MB). Free memory was 93.9 MB in the beginning and 117.5 MB in the end (delta: -23.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42271.16 ms. Allocated memory was 206.6 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 116.9 MB in the beginning and 642.4 MB in the end (delta: -525.4 MB). Peak memory consumption was 787.9 MB. Max. memory is 8.0 GB. * Witness Printer took 266.80 ms. Allocated memory is still 1.5 GB. Free memory was 642.4 MB in the beginning and 615.9 MB in the end (delta: 26.5 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: 94]: 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: ((((((((((((((((((((((((((a23 <= 312 && a8 == 15) && a25 == 12) && a4 == 1) || ((a23 <= 137 && a25 == 10) && a4 == 1)) || (((a4 == 0 && a25 == 10) && a8 == 15) && a29 <= 130)) || ((a25 == 10 && a8 == 15) && a4 == 1)) || ((a4 == 0 && a8 == 15) && a25 == 12)) || ((a25 == 13 && a8 == 15) && a4 == 1)) || (((a25 == 11 && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a23 <= 137 && a4 == 0) && a25 == 13) && a8 == 15)) || ((((a25 <= 10 && 306 < a23) && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && 130 <= a29) && a4 == 1)) || ((((a23 <= 138 && a25 <= 10) && a4 == 0) && a29 <= 140) && a8 == 15)) || ((((((a25 <= 10 && a29 <= 130) && !(a25 == 9)) && a3 == 1) || (a25 == 12 && a3 == 1)) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a29 <= 140) && a8 == 15)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((a25 <= 10 && a8 == 15) && a4 == 1) && 247 <= a29)) || (((a25 <= 10 && a23 <= 138) && a8 == 15) && a4 == 1)) || (((130 <= a29 && a8 == 15) && a25 == 12) && a4 == 1)) || ((((262 <= a29 && a25 <= 10) && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a23 <= 137 && a4 == 0) && a25 == 10) && a8 == 15)) || (((a25 <= 10 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15)) || ((((a25 <= 10 && a29 <= 140) && a23 <= 312) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a8 == 15) && 247 <= a29)) || (((a25 == 11 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a23 <= 312 && a8 == 15) && a25 == 12) && a4 == 1) || ((a23 <= 137 && a25 == 10) && a4 == 1)) || (((a4 == 0 && a25 == 10) && a8 == 15) && a29 <= 130)) || ((a25 == 10 && a8 == 15) && a4 == 1)) || ((a4 == 0 && a8 == 15) && a25 == 12)) || ((a25 == 13 && a8 == 15) && a4 == 1)) || (((a25 == 11 && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a23 <= 137 && a4 == 0) && a25 == 13) && a8 == 15)) || ((((a25 <= 10 && 306 < a23) && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && 130 <= a29) && a4 == 1)) || ((((a23 <= 138 && a25 <= 10) && a4 == 0) && a29 <= 140) && a8 == 15)) || ((((((a25 <= 10 && a29 <= 130) && !(a25 == 9)) && a3 == 1) || (a25 == 12 && a3 == 1)) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a29 <= 140) && a8 == 15)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((a25 <= 10 && a8 == 15) && a4 == 1) && 247 <= a29)) || (((a25 <= 10 && a23 <= 138) && a8 == 15) && a4 == 1)) || (((130 <= a29 && a8 == 15) && a25 == 12) && a4 == 1)) || ((((262 <= a29 && a25 <= 10) && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a23 <= 137 && a4 == 0) && a25 == 10) && a8 == 15)) || (((a25 <= 10 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15)) || ((((a25 <= 10 && a29 <= 140) && a23 <= 312) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a8 == 15) && 247 <= a29)) || (((a25 == 11 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.4s, OverallIterations: 19, TraceHistogramMax: 4, AutomataDifference: 29.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3678 SDtfs, 3741 SDslu, 477 SDs, 0 SdLazy, 11882 SolverSat, 1897 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25584occurred 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: 3.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 14863 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 213 NumberOfFragments, 705 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8170 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1578 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 4294 NumberOfCodeBlocks, 4294 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4275 ConstructedInterpolants, 0 QuantifiedInterpolants, 1967281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 2755/2755 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...